Vendor cleanup

Signed-off-by: Madhu Rajanna <mrajanna@redhat.com>
This commit is contained in:
Madhu Rajanna
2019-01-16 18:11:54 +05:30
parent 661818bd79
commit 0f836c62fa
16816 changed files with 20 additions and 4611100 deletions

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# Treat all files in this repo as binary, with no git magic updating
# line endings. Windows users contributing to Go will need to use a
# modern version of git and editors capable of LF line endings.
#
# We'll prevent accidental CRLF line endings from entering the repo
# via the git-review gofmt checks.
#
# See golang.org/issue/9281
* -text

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vendor/golang.org/x/net/.gitignore generated vendored
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# Add no patterns to .hgignore except for files generated by the build.
last-change

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# Contributing to Go
Go is an open source project.
It is the work of hundreds of contributors. We appreciate your help!
## Filing issues
When [filing an issue](https://golang.org/issue/new), make sure to answer these five questions:
1. What version of Go are you using (`go version`)?
2. What operating system and processor architecture are you using?
3. What did you do?
4. What did you expect to see?
5. What did you see instead?
General questions should go to the [golang-nuts mailing list](https://groups.google.com/group/golang-nuts) instead of the issue tracker.
The gophers there will answer or ask you to file an issue if you've tripped over a bug.
## Contributing code
Please read the [Contribution Guidelines](https://golang.org/doc/contribute.html)
before sending patches.
Unless otherwise noted, the Go source files are distributed under
the BSD-style license found in the LICENSE file.

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vendor/golang.org/x/net/README.md generated vendored
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# Go Networking
This repository holds supplementary Go networking libraries.
## Download/Install
The easiest way to install is to run `go get -u golang.org/x/net`. You can
also manually git clone the repository to `$GOPATH/src/golang.org/x/net`.
## Report Issues / Send Patches
This repository uses Gerrit for code changes. To learn how to submit
changes to this repository, see https://golang.org/doc/contribute.html.
The main issue tracker for the net repository is located at
https://github.com/golang/go/issues. Prefix your issue with "x/net:" in the
subject line, so it is easy to find.

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vendor/golang.org/x/net/bpf/asm.go generated vendored
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import "fmt"
// Assemble converts insts into raw instructions suitable for loading
// into a BPF virtual machine.
//
// Currently, no optimization is attempted, the assembled program flow
// is exactly as provided.
func Assemble(insts []Instruction) ([]RawInstruction, error) {
ret := make([]RawInstruction, len(insts))
var err error
for i, inst := range insts {
ret[i], err = inst.Assemble()
if err != nil {
return nil, fmt.Errorf("assembling instruction %d: %s", i+1, err)
}
}
return ret, nil
}
// Disassemble attempts to parse raw back into
// Instructions. Unrecognized RawInstructions are assumed to be an
// extension not implemented by this package, and are passed through
// unchanged to the output. The allDecoded value reports whether insts
// contains no RawInstructions.
func Disassemble(raw []RawInstruction) (insts []Instruction, allDecoded bool) {
insts = make([]Instruction, len(raw))
allDecoded = true
for i, r := range raw {
insts[i] = r.Disassemble()
if _, ok := insts[i].(RawInstruction); ok {
allDecoded = false
}
}
return insts, allDecoded
}

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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
// A Register is a register of the BPF virtual machine.
type Register uint16
const (
// RegA is the accumulator register. RegA is always the
// destination register of ALU operations.
RegA Register = iota
// RegX is the indirection register, used by LoadIndirect
// operations.
RegX
)
// An ALUOp is an arithmetic or logic operation.
type ALUOp uint16
// ALU binary operation types.
const (
ALUOpAdd ALUOp = iota << 4
ALUOpSub
ALUOpMul
ALUOpDiv
ALUOpOr
ALUOpAnd
ALUOpShiftLeft
ALUOpShiftRight
aluOpNeg // Not exported because it's the only unary ALU operation, and gets its own instruction type.
ALUOpMod
ALUOpXor
)
// A JumpTest is a comparison operator used in conditional jumps.
type JumpTest uint16
// Supported operators for conditional jumps.
// K can be RegX for JumpIfX
const (
// K == A
JumpEqual JumpTest = iota
// K != A
JumpNotEqual
// K > A
JumpGreaterThan
// K < A
JumpLessThan
// K >= A
JumpGreaterOrEqual
// K <= A
JumpLessOrEqual
// K & A != 0
JumpBitsSet
// K & A == 0
JumpBitsNotSet
)
// An Extension is a function call provided by the kernel that
// performs advanced operations that are expensive or impossible
// within the BPF virtual machine.
//
// Extensions are only implemented by the Linux kernel.
//
// TODO: should we prune this list? Some of these extensions seem
// either broken or near-impossible to use correctly, whereas other
// (len, random, ifindex) are quite useful.
type Extension int
// Extension functions available in the Linux kernel.
const (
// extOffset is the negative maximum number of instructions used
// to load instructions by overloading the K argument.
extOffset = -0x1000
// ExtLen returns the length of the packet.
ExtLen Extension = 1
// ExtProto returns the packet's L3 protocol type.
ExtProto Extension = 0
// ExtType returns the packet's type (skb->pkt_type in the kernel)
//
// TODO: better documentation. How nice an API do we want to
// provide for these esoteric extensions?
ExtType Extension = 4
// ExtPayloadOffset returns the offset of the packet payload, or
// the first protocol header that the kernel does not know how to
// parse.
ExtPayloadOffset Extension = 52
// ExtInterfaceIndex returns the index of the interface on which
// the packet was received.
ExtInterfaceIndex Extension = 8
// ExtNetlinkAttr returns the netlink attribute of type X at
// offset A.
ExtNetlinkAttr Extension = 12
// ExtNetlinkAttrNested returns the nested netlink attribute of
// type X at offset A.
ExtNetlinkAttrNested Extension = 16
// ExtMark returns the packet's mark value.
ExtMark Extension = 20
// ExtQueue returns the packet's assigned hardware queue.
ExtQueue Extension = 24
// ExtLinkLayerType returns the packet's hardware address type
// (e.g. Ethernet, Infiniband).
ExtLinkLayerType Extension = 28
// ExtRXHash returns the packets receive hash.
//
// TODO: figure out what this rxhash actually is.
ExtRXHash Extension = 32
// ExtCPUID returns the ID of the CPU processing the current
// packet.
ExtCPUID Extension = 36
// ExtVLANTag returns the packet's VLAN tag.
ExtVLANTag Extension = 44
// ExtVLANTagPresent returns non-zero if the packet has a VLAN
// tag.
//
// TODO: I think this might be a lie: it reads bit 0x1000 of the
// VLAN header, which changed meaning in recent revisions of the
// spec - this extension may now return meaningless information.
ExtVLANTagPresent Extension = 48
// ExtVLANProto returns 0x8100 if the frame has a VLAN header,
// 0x88a8 if the frame has a "Q-in-Q" double VLAN header, or some
// other value if no VLAN information is present.
ExtVLANProto Extension = 60
// ExtRand returns a uniformly random uint32.
ExtRand Extension = 56
)
// The following gives names to various bit patterns used in opcode construction.
const (
opMaskCls uint16 = 0x7
// opClsLoad masks
opMaskLoadDest = 0x01
opMaskLoadWidth = 0x18
opMaskLoadMode = 0xe0
// opClsALU & opClsJump
opMaskOperand = 0x08
opMaskOperator = 0xf0
)
const (
// +---------------+-----------------+---+---+---+
// | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 0 |
// +---------------+-----------------+---+---+---+
opClsLoadA uint16 = iota
// +---------------+-----------------+---+---+---+
// | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 1 |
// +---------------+-----------------+---+---+---+
opClsLoadX
// +---+---+---+---+---+---+---+---+
// | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
// +---+---+---+---+---+---+---+---+
opClsStoreA
// +---+---+---+---+---+---+---+---+
// | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
// +---+---+---+---+---+---+---+---+
opClsStoreX
// +---------------+-----------------+---+---+---+
// | Operator (4b) | OperandSrc (1b) | 1 | 0 | 0 |
// +---------------+-----------------+---+---+---+
opClsALU
// +-----------------------------+---+---+---+---+
// | TestOperator (4b) | 0 | 1 | 0 | 1 |
// +-----------------------------+---+---+---+---+
opClsJump
// +---+-------------------------+---+---+---+---+
// | 0 | 0 | 0 | RetSrc (1b) | 0 | 1 | 1 | 0 |
// +---+-------------------------+---+---+---+---+
opClsReturn
// +---+-------------------------+---+---+---+---+
// | 0 | 0 | 0 | TXAorTAX (1b) | 0 | 1 | 1 | 1 |
// +---+-------------------------+---+---+---+---+
opClsMisc
)
const (
opAddrModeImmediate uint16 = iota << 5
opAddrModeAbsolute
opAddrModeIndirect
opAddrModeScratch
opAddrModePacketLen // actually an extension, not an addressing mode.
opAddrModeMemShift
)
const (
opLoadWidth4 uint16 = iota << 3
opLoadWidth2
opLoadWidth1
)
// Operand for ALU and Jump instructions
type opOperand uint16
// Supported operand sources.
const (
opOperandConstant opOperand = iota << 3
opOperandX
)
// An jumpOp is a conditional jump condition.
type jumpOp uint16
// Supported jump conditions.
const (
opJumpAlways jumpOp = iota << 4
opJumpEqual
opJumpGT
opJumpGE
opJumpSet
)
const (
opRetSrcConstant uint16 = iota << 4
opRetSrcA
)
const (
opMiscTAX = 0x00
opMiscTXA = 0x80
)

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vendor/golang.org/x/net/bpf/doc.go generated vendored
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package bpf implements marshaling and unmarshaling of programs for the
Berkeley Packet Filter virtual machine, and provides a Go implementation
of the virtual machine.
BPF's main use is to specify a packet filter for network taps, so that
the kernel doesn't have to expensively copy every packet it sees to
userspace. However, it's been repurposed to other areas where running
user code in-kernel is needed. For example, Linux's seccomp uses BPF
to apply security policies to system calls. For simplicity, this
documentation refers only to packets, but other uses of BPF have their
own data payloads.
BPF programs run in a restricted virtual machine. It has almost no
access to kernel functions, and while conditional branches are
allowed, they can only jump forwards, to guarantee that there are no
infinite loops.
The virtual machine
The BPF VM is an accumulator machine. Its main register, called
register A, is an implicit source and destination in all arithmetic
and logic operations. The machine also has 16 scratch registers for
temporary storage, and an indirection register (register X) for
indirect memory access. All registers are 32 bits wide.
Each run of a BPF program is given one packet, which is placed in the
VM's read-only "main memory". LoadAbsolute and LoadIndirect
instructions can fetch up to 32 bits at a time into register A for
examination.
The goal of a BPF program is to produce and return a verdict (uint32),
which tells the kernel what to do with the packet. In the context of
packet filtering, the returned value is the number of bytes of the
packet to forward to userspace, or 0 to ignore the packet. Other
contexts like seccomp define their own return values.
In order to simplify programs, attempts to read past the end of the
packet terminate the program execution with a verdict of 0 (ignore
packet). This means that the vast majority of BPF programs don't need
to do any explicit bounds checking.
In addition to the bytes of the packet, some BPF programs have access
to extensions, which are essentially calls to kernel utility
functions. Currently, the only extensions supported by this package
are the Linux packet filter extensions.
Examples
This packet filter selects all ARP packets.
bpf.Assemble([]bpf.Instruction{
// Load "EtherType" field from the ethernet header.
bpf.LoadAbsolute{Off: 12, Size: 2},
// Skip over the next instruction if EtherType is not ARP.
bpf.JumpIf{Cond: bpf.JumpNotEqual, Val: 0x0806, SkipTrue: 1},
// Verdict is "send up to 4k of the packet to userspace."
bpf.RetConstant{Val: 4096},
// Verdict is "ignore packet."
bpf.RetConstant{Val: 0},
})
This packet filter captures a random 1% sample of traffic.
bpf.Assemble([]bpf.Instruction{
// Get a 32-bit random number from the Linux kernel.
bpf.LoadExtension{Num: bpf.ExtRand},
// 1% dice roll?
bpf.JumpIf{Cond: bpf.JumpLessThan, Val: 2^32/100, SkipFalse: 1},
// Capture.
bpf.RetConstant{Val: 4096},
// Ignore.
bpf.RetConstant{Val: 0},
})
*/
package bpf // import "golang.org/x/net/bpf"

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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import "fmt"
// An Instruction is one instruction executed by the BPF virtual
// machine.
type Instruction interface {
// Assemble assembles the Instruction into a RawInstruction.
Assemble() (RawInstruction, error)
}
// A RawInstruction is a raw BPF virtual machine instruction.
type RawInstruction struct {
// Operation to execute.
Op uint16
// For conditional jump instructions, the number of instructions
// to skip if the condition is true/false.
Jt uint8
Jf uint8
// Constant parameter. The meaning depends on the Op.
K uint32
}
// Assemble implements the Instruction Assemble method.
func (ri RawInstruction) Assemble() (RawInstruction, error) { return ri, nil }
// Disassemble parses ri into an Instruction and returns it. If ri is
// not recognized by this package, ri itself is returned.
func (ri RawInstruction) Disassemble() Instruction {
switch ri.Op & opMaskCls {
case opClsLoadA, opClsLoadX:
reg := Register(ri.Op & opMaskLoadDest)
sz := 0
switch ri.Op & opMaskLoadWidth {
case opLoadWidth4:
sz = 4
case opLoadWidth2:
sz = 2
case opLoadWidth1:
sz = 1
default:
return ri
}
switch ri.Op & opMaskLoadMode {
case opAddrModeImmediate:
if sz != 4 {
return ri
}
return LoadConstant{Dst: reg, Val: ri.K}
case opAddrModeScratch:
if sz != 4 || ri.K > 15 {
return ri
}
return LoadScratch{Dst: reg, N: int(ri.K)}
case opAddrModeAbsolute:
if ri.K > extOffset+0xffffffff {
return LoadExtension{Num: Extension(-extOffset + ri.K)}
}
return LoadAbsolute{Size: sz, Off: ri.K}
case opAddrModeIndirect:
return LoadIndirect{Size: sz, Off: ri.K}
case opAddrModePacketLen:
if sz != 4 {
return ri
}
return LoadExtension{Num: ExtLen}
case opAddrModeMemShift:
return LoadMemShift{Off: ri.K}
default:
return ri
}
case opClsStoreA:
if ri.Op != opClsStoreA || ri.K > 15 {
return ri
}
return StoreScratch{Src: RegA, N: int(ri.K)}
case opClsStoreX:
if ri.Op != opClsStoreX || ri.K > 15 {
return ri
}
return StoreScratch{Src: RegX, N: int(ri.K)}
case opClsALU:
switch op := ALUOp(ri.Op & opMaskOperator); op {
case ALUOpAdd, ALUOpSub, ALUOpMul, ALUOpDiv, ALUOpOr, ALUOpAnd, ALUOpShiftLeft, ALUOpShiftRight, ALUOpMod, ALUOpXor:
switch operand := opOperand(ri.Op & opMaskOperand); operand {
case opOperandX:
return ALUOpX{Op: op}
case opOperandConstant:
return ALUOpConstant{Op: op, Val: ri.K}
default:
return ri
}
case aluOpNeg:
return NegateA{}
default:
return ri
}
case opClsJump:
switch op := jumpOp(ri.Op & opMaskOperator); op {
case opJumpAlways:
return Jump{Skip: ri.K}
case opJumpEqual, opJumpGT, opJumpGE, opJumpSet:
cond, skipTrue, skipFalse := jumpOpToTest(op, ri.Jt, ri.Jf)
switch operand := opOperand(ri.Op & opMaskOperand); operand {
case opOperandX:
return JumpIfX{Cond: cond, SkipTrue: skipTrue, SkipFalse: skipFalse}
case opOperandConstant:
return JumpIf{Cond: cond, Val: ri.K, SkipTrue: skipTrue, SkipFalse: skipFalse}
default:
return ri
}
default:
return ri
}
case opClsReturn:
switch ri.Op {
case opClsReturn | opRetSrcA:
return RetA{}
case opClsReturn | opRetSrcConstant:
return RetConstant{Val: ri.K}
default:
return ri
}
case opClsMisc:
switch ri.Op {
case opClsMisc | opMiscTAX:
return TAX{}
case opClsMisc | opMiscTXA:
return TXA{}
default:
return ri
}
default:
panic("unreachable") // switch is exhaustive on the bit pattern
}
}
func jumpOpToTest(op jumpOp, skipTrue uint8, skipFalse uint8) (JumpTest, uint8, uint8) {
var test JumpTest
// Decode "fake" jump conditions that don't appear in machine code
// Ensures the Assemble -> Disassemble stage recreates the same instructions
// See https://github.com/golang/go/issues/18470
if skipTrue == 0 {
switch op {
case opJumpEqual:
test = JumpNotEqual
case opJumpGT:
test = JumpLessOrEqual
case opJumpGE:
test = JumpLessThan
case opJumpSet:
test = JumpBitsNotSet
}
return test, skipFalse, 0
}
switch op {
case opJumpEqual:
test = JumpEqual
case opJumpGT:
test = JumpGreaterThan
case opJumpGE:
test = JumpGreaterOrEqual
case opJumpSet:
test = JumpBitsSet
}
return test, skipTrue, skipFalse
}
// LoadConstant loads Val into register Dst.
type LoadConstant struct {
Dst Register
Val uint32
}
// Assemble implements the Instruction Assemble method.
func (a LoadConstant) Assemble() (RawInstruction, error) {
return assembleLoad(a.Dst, 4, opAddrModeImmediate, a.Val)
}
// String returns the instruction in assembler notation.
func (a LoadConstant) String() string {
switch a.Dst {
case RegA:
return fmt.Sprintf("ld #%d", a.Val)
case RegX:
return fmt.Sprintf("ldx #%d", a.Val)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// LoadScratch loads scratch[N] into register Dst.
type LoadScratch struct {
Dst Register
N int // 0-15
}
// Assemble implements the Instruction Assemble method.
func (a LoadScratch) Assemble() (RawInstruction, error) {
if a.N < 0 || a.N > 15 {
return RawInstruction{}, fmt.Errorf("invalid scratch slot %d", a.N)
}
return assembleLoad(a.Dst, 4, opAddrModeScratch, uint32(a.N))
}
// String returns the instruction in assembler notation.
func (a LoadScratch) String() string {
switch a.Dst {
case RegA:
return fmt.Sprintf("ld M[%d]", a.N)
case RegX:
return fmt.Sprintf("ldx M[%d]", a.N)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// LoadAbsolute loads packet[Off:Off+Size] as an integer value into
// register A.
type LoadAbsolute struct {
Off uint32
Size int // 1, 2 or 4
}
// Assemble implements the Instruction Assemble method.
func (a LoadAbsolute) Assemble() (RawInstruction, error) {
return assembleLoad(RegA, a.Size, opAddrModeAbsolute, a.Off)
}
// String returns the instruction in assembler notation.
func (a LoadAbsolute) String() string {
switch a.Size {
case 1: // byte
return fmt.Sprintf("ldb [%d]", a.Off)
case 2: // half word
return fmt.Sprintf("ldh [%d]", a.Off)
case 4: // word
if a.Off > extOffset+0xffffffff {
return LoadExtension{Num: Extension(a.Off + 0x1000)}.String()
}
return fmt.Sprintf("ld [%d]", a.Off)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// LoadIndirect loads packet[X+Off:X+Off+Size] as an integer value
// into register A.
type LoadIndirect struct {
Off uint32
Size int // 1, 2 or 4
}
// Assemble implements the Instruction Assemble method.
func (a LoadIndirect) Assemble() (RawInstruction, error) {
return assembleLoad(RegA, a.Size, opAddrModeIndirect, a.Off)
}
// String returns the instruction in assembler notation.
func (a LoadIndirect) String() string {
switch a.Size {
case 1: // byte
return fmt.Sprintf("ldb [x + %d]", a.Off)
case 2: // half word
return fmt.Sprintf("ldh [x + %d]", a.Off)
case 4: // word
return fmt.Sprintf("ld [x + %d]", a.Off)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// LoadMemShift multiplies the first 4 bits of the byte at packet[Off]
// by 4 and stores the result in register X.
//
// This instruction is mainly useful to load into X the length of an
// IPv4 packet header in a single instruction, rather than have to do
// the arithmetic on the header's first byte by hand.
type LoadMemShift struct {
Off uint32
}
// Assemble implements the Instruction Assemble method.
func (a LoadMemShift) Assemble() (RawInstruction, error) {
return assembleLoad(RegX, 1, opAddrModeMemShift, a.Off)
}
// String returns the instruction in assembler notation.
func (a LoadMemShift) String() string {
return fmt.Sprintf("ldx 4*([%d]&0xf)", a.Off)
}
// LoadExtension invokes a linux-specific extension and stores the
// result in register A.
type LoadExtension struct {
Num Extension
}
// Assemble implements the Instruction Assemble method.
func (a LoadExtension) Assemble() (RawInstruction, error) {
if a.Num == ExtLen {
return assembleLoad(RegA, 4, opAddrModePacketLen, 0)
}
return assembleLoad(RegA, 4, opAddrModeAbsolute, uint32(extOffset+a.Num))
}
// String returns the instruction in assembler notation.
func (a LoadExtension) String() string {
switch a.Num {
case ExtLen:
return "ld #len"
case ExtProto:
return "ld #proto"
case ExtType:
return "ld #type"
case ExtPayloadOffset:
return "ld #poff"
case ExtInterfaceIndex:
return "ld #ifidx"
case ExtNetlinkAttr:
return "ld #nla"
case ExtNetlinkAttrNested:
return "ld #nlan"
case ExtMark:
return "ld #mark"
case ExtQueue:
return "ld #queue"
case ExtLinkLayerType:
return "ld #hatype"
case ExtRXHash:
return "ld #rxhash"
case ExtCPUID:
return "ld #cpu"
case ExtVLANTag:
return "ld #vlan_tci"
case ExtVLANTagPresent:
return "ld #vlan_avail"
case ExtVLANProto:
return "ld #vlan_tpid"
case ExtRand:
return "ld #rand"
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// StoreScratch stores register Src into scratch[N].
type StoreScratch struct {
Src Register
N int // 0-15
}
// Assemble implements the Instruction Assemble method.
func (a StoreScratch) Assemble() (RawInstruction, error) {
if a.N < 0 || a.N > 15 {
return RawInstruction{}, fmt.Errorf("invalid scratch slot %d", a.N)
}
var op uint16
switch a.Src {
case RegA:
op = opClsStoreA
case RegX:
op = opClsStoreX
default:
return RawInstruction{}, fmt.Errorf("invalid source register %v", a.Src)
}
return RawInstruction{
Op: op,
K: uint32(a.N),
}, nil
}
// String returns the instruction in assembler notation.
func (a StoreScratch) String() string {
switch a.Src {
case RegA:
return fmt.Sprintf("st M[%d]", a.N)
case RegX:
return fmt.Sprintf("stx M[%d]", a.N)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// ALUOpConstant executes A = A <Op> Val.
type ALUOpConstant struct {
Op ALUOp
Val uint32
}
// Assemble implements the Instruction Assemble method.
func (a ALUOpConstant) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsALU | uint16(opOperandConstant) | uint16(a.Op),
K: a.Val,
}, nil
}
// String returns the instruction in assembler notation.
func (a ALUOpConstant) String() string {
switch a.Op {
case ALUOpAdd:
return fmt.Sprintf("add #%d", a.Val)
case ALUOpSub:
return fmt.Sprintf("sub #%d", a.Val)
case ALUOpMul:
return fmt.Sprintf("mul #%d", a.Val)
case ALUOpDiv:
return fmt.Sprintf("div #%d", a.Val)
case ALUOpMod:
return fmt.Sprintf("mod #%d", a.Val)
case ALUOpAnd:
return fmt.Sprintf("and #%d", a.Val)
case ALUOpOr:
return fmt.Sprintf("or #%d", a.Val)
case ALUOpXor:
return fmt.Sprintf("xor #%d", a.Val)
case ALUOpShiftLeft:
return fmt.Sprintf("lsh #%d", a.Val)
case ALUOpShiftRight:
return fmt.Sprintf("rsh #%d", a.Val)
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// ALUOpX executes A = A <Op> X
type ALUOpX struct {
Op ALUOp
}
// Assemble implements the Instruction Assemble method.
func (a ALUOpX) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsALU | uint16(opOperandX) | uint16(a.Op),
}, nil
}
// String returns the instruction in assembler notation.
func (a ALUOpX) String() string {
switch a.Op {
case ALUOpAdd:
return "add x"
case ALUOpSub:
return "sub x"
case ALUOpMul:
return "mul x"
case ALUOpDiv:
return "div x"
case ALUOpMod:
return "mod x"
case ALUOpAnd:
return "and x"
case ALUOpOr:
return "or x"
case ALUOpXor:
return "xor x"
case ALUOpShiftLeft:
return "lsh x"
case ALUOpShiftRight:
return "rsh x"
default:
return fmt.Sprintf("unknown instruction: %#v", a)
}
}
// NegateA executes A = -A.
type NegateA struct{}
// Assemble implements the Instruction Assemble method.
func (a NegateA) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsALU | uint16(aluOpNeg),
}, nil
}
// String returns the instruction in assembler notation.
func (a NegateA) String() string {
return fmt.Sprintf("neg")
}
// Jump skips the following Skip instructions in the program.
type Jump struct {
Skip uint32
}
// Assemble implements the Instruction Assemble method.
func (a Jump) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsJump | uint16(opJumpAlways),
K: a.Skip,
}, nil
}
// String returns the instruction in assembler notation.
func (a Jump) String() string {
return fmt.Sprintf("ja %d", a.Skip)
}
// JumpIf skips the following Skip instructions in the program if A
// <Cond> Val is true.
type JumpIf struct {
Cond JumpTest
Val uint32
SkipTrue uint8
SkipFalse uint8
}
// Assemble implements the Instruction Assemble method.
func (a JumpIf) Assemble() (RawInstruction, error) {
return jumpToRaw(a.Cond, opOperandConstant, a.Val, a.SkipTrue, a.SkipFalse)
}
// String returns the instruction in assembler notation.
func (a JumpIf) String() string {
return jumpToString(a.Cond, fmt.Sprintf("#%d", a.Val), a.SkipTrue, a.SkipFalse)
}
// JumpIfX skips the following Skip instructions in the program if A
// <Cond> X is true.
type JumpIfX struct {
Cond JumpTest
SkipTrue uint8
SkipFalse uint8
}
// Assemble implements the Instruction Assemble method.
func (a JumpIfX) Assemble() (RawInstruction, error) {
return jumpToRaw(a.Cond, opOperandX, 0, a.SkipTrue, a.SkipFalse)
}
// String returns the instruction in assembler notation.
func (a JumpIfX) String() string {
return jumpToString(a.Cond, "x", a.SkipTrue, a.SkipFalse)
}
// jumpToRaw assembles a jump instruction into a RawInstruction
func jumpToRaw(test JumpTest, operand opOperand, k uint32, skipTrue, skipFalse uint8) (RawInstruction, error) {
var (
cond jumpOp
flip bool
)
switch test {
case JumpEqual:
cond = opJumpEqual
case JumpNotEqual:
cond, flip = opJumpEqual, true
case JumpGreaterThan:
cond = opJumpGT
case JumpLessThan:
cond, flip = opJumpGE, true
case JumpGreaterOrEqual:
cond = opJumpGE
case JumpLessOrEqual:
cond, flip = opJumpGT, true
case JumpBitsSet:
cond = opJumpSet
case JumpBitsNotSet:
cond, flip = opJumpSet, true
default:
return RawInstruction{}, fmt.Errorf("unknown JumpTest %v", test)
}
jt, jf := skipTrue, skipFalse
if flip {
jt, jf = jf, jt
}
return RawInstruction{
Op: opClsJump | uint16(cond) | uint16(operand),
Jt: jt,
Jf: jf,
K: k,
}, nil
}
// jumpToString converts a jump instruction to assembler notation
func jumpToString(cond JumpTest, operand string, skipTrue, skipFalse uint8) string {
switch cond {
// K == A
case JumpEqual:
return conditionalJump(operand, skipTrue, skipFalse, "jeq", "jneq")
// K != A
case JumpNotEqual:
return fmt.Sprintf("jneq %s,%d", operand, skipTrue)
// K > A
case JumpGreaterThan:
return conditionalJump(operand, skipTrue, skipFalse, "jgt", "jle")
// K < A
case JumpLessThan:
return fmt.Sprintf("jlt %s,%d", operand, skipTrue)
// K >= A
case JumpGreaterOrEqual:
return conditionalJump(operand, skipTrue, skipFalse, "jge", "jlt")
// K <= A
case JumpLessOrEqual:
return fmt.Sprintf("jle %s,%d", operand, skipTrue)
// K & A != 0
case JumpBitsSet:
if skipFalse > 0 {
return fmt.Sprintf("jset %s,%d,%d", operand, skipTrue, skipFalse)
}
return fmt.Sprintf("jset %s,%d", operand, skipTrue)
// K & A == 0, there is no assembler instruction for JumpBitNotSet, use JumpBitSet and invert skips
case JumpBitsNotSet:
return jumpToString(JumpBitsSet, operand, skipFalse, skipTrue)
default:
return fmt.Sprintf("unknown JumpTest %#v", cond)
}
}
func conditionalJump(operand string, skipTrue, skipFalse uint8, positiveJump, negativeJump string) string {
if skipTrue > 0 {
if skipFalse > 0 {
return fmt.Sprintf("%s %s,%d,%d", positiveJump, operand, skipTrue, skipFalse)
}
return fmt.Sprintf("%s %s,%d", positiveJump, operand, skipTrue)
}
return fmt.Sprintf("%s %s,%d", negativeJump, operand, skipFalse)
}
// RetA exits the BPF program, returning the value of register A.
type RetA struct{}
// Assemble implements the Instruction Assemble method.
func (a RetA) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsReturn | opRetSrcA,
}, nil
}
// String returns the instruction in assembler notation.
func (a RetA) String() string {
return fmt.Sprintf("ret a")
}
// RetConstant exits the BPF program, returning a constant value.
type RetConstant struct {
Val uint32
}
// Assemble implements the Instruction Assemble method.
func (a RetConstant) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsReturn | opRetSrcConstant,
K: a.Val,
}, nil
}
// String returns the instruction in assembler notation.
func (a RetConstant) String() string {
return fmt.Sprintf("ret #%d", a.Val)
}
// TXA copies the value of register X to register A.
type TXA struct{}
// Assemble implements the Instruction Assemble method.
func (a TXA) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsMisc | opMiscTXA,
}, nil
}
// String returns the instruction in assembler notation.
func (a TXA) String() string {
return fmt.Sprintf("txa")
}
// TAX copies the value of register A to register X.
type TAX struct{}
// Assemble implements the Instruction Assemble method.
func (a TAX) Assemble() (RawInstruction, error) {
return RawInstruction{
Op: opClsMisc | opMiscTAX,
}, nil
}
// String returns the instruction in assembler notation.
func (a TAX) String() string {
return fmt.Sprintf("tax")
}
func assembleLoad(dst Register, loadSize int, mode uint16, k uint32) (RawInstruction, error) {
var (
cls uint16
sz uint16
)
switch dst {
case RegA:
cls = opClsLoadA
case RegX:
cls = opClsLoadX
default:
return RawInstruction{}, fmt.Errorf("invalid target register %v", dst)
}
switch loadSize {
case 1:
sz = opLoadWidth1
case 2:
sz = opLoadWidth2
case 4:
sz = opLoadWidth4
default:
return RawInstruction{}, fmt.Errorf("invalid load byte length %d", sz)
}
return RawInstruction{
Op: cls | sz | mode,
K: k,
}, nil
}

View File

@ -1,593 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import (
"fmt"
"io/ioutil"
"reflect"
"strconv"
"strings"
"testing"
)
// This is a direct translation of the program in
// testdata/all_instructions.txt.
var allInstructions = []Instruction{
LoadConstant{Dst: RegA, Val: 42},
LoadConstant{Dst: RegX, Val: 42},
LoadScratch{Dst: RegA, N: 3},
LoadScratch{Dst: RegX, N: 3},
LoadAbsolute{Off: 42, Size: 1},
LoadAbsolute{Off: 42, Size: 2},
LoadAbsolute{Off: 42, Size: 4},
LoadIndirect{Off: 42, Size: 1},
LoadIndirect{Off: 42, Size: 2},
LoadIndirect{Off: 42, Size: 4},
LoadMemShift{Off: 42},
LoadExtension{Num: ExtLen},
LoadExtension{Num: ExtProto},
LoadExtension{Num: ExtType},
LoadExtension{Num: ExtRand},
StoreScratch{Src: RegA, N: 3},
StoreScratch{Src: RegX, N: 3},
ALUOpConstant{Op: ALUOpAdd, Val: 42},
ALUOpConstant{Op: ALUOpSub, Val: 42},
ALUOpConstant{Op: ALUOpMul, Val: 42},
ALUOpConstant{Op: ALUOpDiv, Val: 42},
ALUOpConstant{Op: ALUOpOr, Val: 42},
ALUOpConstant{Op: ALUOpAnd, Val: 42},
ALUOpConstant{Op: ALUOpShiftLeft, Val: 42},
ALUOpConstant{Op: ALUOpShiftRight, Val: 42},
ALUOpConstant{Op: ALUOpMod, Val: 42},
ALUOpConstant{Op: ALUOpXor, Val: 42},
ALUOpX{Op: ALUOpAdd},
ALUOpX{Op: ALUOpSub},
ALUOpX{Op: ALUOpMul},
ALUOpX{Op: ALUOpDiv},
ALUOpX{Op: ALUOpOr},
ALUOpX{Op: ALUOpAnd},
ALUOpX{Op: ALUOpShiftLeft},
ALUOpX{Op: ALUOpShiftRight},
ALUOpX{Op: ALUOpMod},
ALUOpX{Op: ALUOpXor},
NegateA{},
Jump{Skip: 17},
JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 15, SkipFalse: 16},
JumpIf{Cond: JumpNotEqual, Val: 42, SkipTrue: 15},
JumpIf{Cond: JumpLessThan, Val: 42, SkipTrue: 14},
JumpIf{Cond: JumpLessOrEqual, Val: 42, SkipTrue: 13},
JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 11, SkipFalse: 12},
JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 10, SkipFalse: 11},
JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 9, SkipFalse: 10},
JumpIfX{Cond: JumpEqual, SkipTrue: 8, SkipFalse: 9},
JumpIfX{Cond: JumpNotEqual, SkipTrue: 8},
JumpIfX{Cond: JumpLessThan, SkipTrue: 7},
JumpIfX{Cond: JumpLessOrEqual, SkipTrue: 6},
JumpIfX{Cond: JumpGreaterThan, SkipTrue: 4, SkipFalse: 5},
JumpIfX{Cond: JumpGreaterOrEqual, SkipTrue: 3, SkipFalse: 4},
JumpIfX{Cond: JumpBitsSet, SkipTrue: 2, SkipFalse: 3},
TAX{},
TXA{},
RetA{},
RetConstant{Val: 42},
}
var allInstructionsExpected = "testdata/all_instructions.bpf"
// Check that we produce the same output as the canonical bpf_asm
// linux kernel tool.
func TestInterop(t *testing.T) {
out, err := Assemble(allInstructions)
if err != nil {
t.Fatalf("assembly of allInstructions program failed: %s", err)
}
t.Logf("Assembled program is %d instructions long", len(out))
bs, err := ioutil.ReadFile(allInstructionsExpected)
if err != nil {
t.Fatalf("reading %s: %s", allInstructionsExpected, err)
}
// First statement is the number of statements, last statement is
// empty. We just ignore both and rely on slice length.
stmts := strings.Split(string(bs), ",")
if len(stmts)-2 != len(out) {
t.Fatalf("test program lengths don't match: %s has %d, Go implementation has %d", allInstructionsExpected, len(stmts)-2, len(allInstructions))
}
for i, stmt := range stmts[1 : len(stmts)-2] {
nums := strings.Split(stmt, " ")
if len(nums) != 4 {
t.Fatalf("malformed instruction %d in %s: %s", i+1, allInstructionsExpected, stmt)
}
actual := out[i]
op, err := strconv.ParseUint(nums[0], 10, 16)
if err != nil {
t.Fatalf("malformed opcode %s in instruction %d of %s", nums[0], i+1, allInstructionsExpected)
}
if actual.Op != uint16(op) {
t.Errorf("opcode mismatch on instruction %d (%#v): got 0x%02x, want 0x%02x", i+1, allInstructions[i], actual.Op, op)
}
jt, err := strconv.ParseUint(nums[1], 10, 8)
if err != nil {
t.Fatalf("malformed jt offset %s in instruction %d of %s", nums[1], i+1, allInstructionsExpected)
}
if actual.Jt != uint8(jt) {
t.Errorf("jt mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.Jt, jt)
}
jf, err := strconv.ParseUint(nums[2], 10, 8)
if err != nil {
t.Fatalf("malformed jf offset %s in instruction %d of %s", nums[2], i+1, allInstructionsExpected)
}
if actual.Jf != uint8(jf) {
t.Errorf("jf mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.Jf, jf)
}
k, err := strconv.ParseUint(nums[3], 10, 32)
if err != nil {
t.Fatalf("malformed constant %s in instruction %d of %s", nums[3], i+1, allInstructionsExpected)
}
if actual.K != uint32(k) {
t.Errorf("constant mismatch on instruction %d (%#v): got %d, want %d", i+1, allInstructions[i], actual.K, k)
}
}
}
// Check that assembly and disassembly match each other.
func TestAsmDisasm(t *testing.T) {
prog1, err := Assemble(allInstructions)
if err != nil {
t.Fatalf("assembly of allInstructions program failed: %s", err)
}
t.Logf("Assembled program is %d instructions long", len(prog1))
got, allDecoded := Disassemble(prog1)
if !allDecoded {
t.Errorf("Disassemble(Assemble(allInstructions)) produced unrecognized instructions:")
for i, inst := range got {
if r, ok := inst.(RawInstruction); ok {
t.Logf(" insn %d, %#v --> %#v", i+1, allInstructions[i], r)
}
}
}
if len(allInstructions) != len(got) {
t.Fatalf("disassembly changed program size: %d insns before, %d insns after", len(allInstructions), len(got))
}
if !reflect.DeepEqual(allInstructions, got) {
t.Errorf("program mutated by disassembly:")
for i := range got {
if !reflect.DeepEqual(allInstructions[i], got[i]) {
t.Logf(" insn %d, s: %#v, p1: %#v, got: %#v", i+1, allInstructions[i], prog1[i], got[i])
}
}
}
}
type InvalidInstruction struct{}
func (a InvalidInstruction) Assemble() (RawInstruction, error) {
return RawInstruction{}, fmt.Errorf("Invalid Instruction")
}
func (a InvalidInstruction) String() string {
return fmt.Sprintf("unknown instruction: %#v", a)
}
func TestString(t *testing.T) {
testCases := []struct {
instruction Instruction
assembler string
}{
{
instruction: LoadConstant{Dst: RegA, Val: 42},
assembler: "ld #42",
},
{
instruction: LoadConstant{Dst: RegX, Val: 42},
assembler: "ldx #42",
},
{
instruction: LoadConstant{Dst: 0xffff, Val: 42},
assembler: "unknown instruction: bpf.LoadConstant{Dst:0xffff, Val:0x2a}",
},
{
instruction: LoadScratch{Dst: RegA, N: 3},
assembler: "ld M[3]",
},
{
instruction: LoadScratch{Dst: RegX, N: 3},
assembler: "ldx M[3]",
},
{
instruction: LoadScratch{Dst: 0xffff, N: 3},
assembler: "unknown instruction: bpf.LoadScratch{Dst:0xffff, N:3}",
},
{
instruction: LoadAbsolute{Off: 42, Size: 1},
assembler: "ldb [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: 2},
assembler: "ldh [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: 4},
assembler: "ld [42]",
},
{
instruction: LoadAbsolute{Off: 42, Size: -1},
assembler: "unknown instruction: bpf.LoadAbsolute{Off:0x2a, Size:-1}",
},
{
instruction: LoadIndirect{Off: 42, Size: 1},
assembler: "ldb [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: 2},
assembler: "ldh [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: 4},
assembler: "ld [x + 42]",
},
{
instruction: LoadIndirect{Off: 42, Size: -1},
assembler: "unknown instruction: bpf.LoadIndirect{Off:0x2a, Size:-1}",
},
{
instruction: LoadMemShift{Off: 42},
assembler: "ldx 4*([42]&0xf)",
},
{
instruction: LoadExtension{Num: ExtLen},
assembler: "ld #len",
},
{
instruction: LoadExtension{Num: ExtProto},
assembler: "ld #proto",
},
{
instruction: LoadExtension{Num: ExtType},
assembler: "ld #type",
},
{
instruction: LoadExtension{Num: ExtPayloadOffset},
assembler: "ld #poff",
},
{
instruction: LoadExtension{Num: ExtInterfaceIndex},
assembler: "ld #ifidx",
},
{
instruction: LoadExtension{Num: ExtNetlinkAttr},
assembler: "ld #nla",
},
{
instruction: LoadExtension{Num: ExtNetlinkAttrNested},
assembler: "ld #nlan",
},
{
instruction: LoadExtension{Num: ExtMark},
assembler: "ld #mark",
},
{
instruction: LoadExtension{Num: ExtQueue},
assembler: "ld #queue",
},
{
instruction: LoadExtension{Num: ExtLinkLayerType},
assembler: "ld #hatype",
},
{
instruction: LoadExtension{Num: ExtRXHash},
assembler: "ld #rxhash",
},
{
instruction: LoadExtension{Num: ExtCPUID},
assembler: "ld #cpu",
},
{
instruction: LoadExtension{Num: ExtVLANTag},
assembler: "ld #vlan_tci",
},
{
instruction: LoadExtension{Num: ExtVLANTagPresent},
assembler: "ld #vlan_avail",
},
{
instruction: LoadExtension{Num: ExtVLANProto},
assembler: "ld #vlan_tpid",
},
{
instruction: LoadExtension{Num: ExtRand},
assembler: "ld #rand",
},
{
instruction: LoadAbsolute{Off: 0xfffff038, Size: 4},
assembler: "ld #rand",
},
{
instruction: LoadExtension{Num: 0xfff},
assembler: "unknown instruction: bpf.LoadExtension{Num:4095}",
},
{
instruction: StoreScratch{Src: RegA, N: 3},
assembler: "st M[3]",
},
{
instruction: StoreScratch{Src: RegX, N: 3},
assembler: "stx M[3]",
},
{
instruction: StoreScratch{Src: 0xffff, N: 3},
assembler: "unknown instruction: bpf.StoreScratch{Src:0xffff, N:3}",
},
{
instruction: ALUOpConstant{Op: ALUOpAdd, Val: 42},
assembler: "add #42",
},
{
instruction: ALUOpConstant{Op: ALUOpSub, Val: 42},
assembler: "sub #42",
},
{
instruction: ALUOpConstant{Op: ALUOpMul, Val: 42},
assembler: "mul #42",
},
{
instruction: ALUOpConstant{Op: ALUOpDiv, Val: 42},
assembler: "div #42",
},
{
instruction: ALUOpConstant{Op: ALUOpOr, Val: 42},
assembler: "or #42",
},
{
instruction: ALUOpConstant{Op: ALUOpAnd, Val: 42},
assembler: "and #42",
},
{
instruction: ALUOpConstant{Op: ALUOpShiftLeft, Val: 42},
assembler: "lsh #42",
},
{
instruction: ALUOpConstant{Op: ALUOpShiftRight, Val: 42},
assembler: "rsh #42",
},
{
instruction: ALUOpConstant{Op: ALUOpMod, Val: 42},
assembler: "mod #42",
},
{
instruction: ALUOpConstant{Op: ALUOpXor, Val: 42},
assembler: "xor #42",
},
{
instruction: ALUOpConstant{Op: 0xffff, Val: 42},
assembler: "unknown instruction: bpf.ALUOpConstant{Op:0xffff, Val:0x2a}",
},
{
instruction: ALUOpX{Op: ALUOpAdd},
assembler: "add x",
},
{
instruction: ALUOpX{Op: ALUOpSub},
assembler: "sub x",
},
{
instruction: ALUOpX{Op: ALUOpMul},
assembler: "mul x",
},
{
instruction: ALUOpX{Op: ALUOpDiv},
assembler: "div x",
},
{
instruction: ALUOpX{Op: ALUOpOr},
assembler: "or x",
},
{
instruction: ALUOpX{Op: ALUOpAnd},
assembler: "and x",
},
{
instruction: ALUOpX{Op: ALUOpShiftLeft},
assembler: "lsh x",
},
{
instruction: ALUOpX{Op: ALUOpShiftRight},
assembler: "rsh x",
},
{
instruction: ALUOpX{Op: ALUOpMod},
assembler: "mod x",
},
{
instruction: ALUOpX{Op: ALUOpXor},
assembler: "xor x",
},
{
instruction: ALUOpX{Op: 0xffff},
assembler: "unknown instruction: bpf.ALUOpX{Op:0xffff}",
},
{
instruction: NegateA{},
assembler: "neg",
},
{
instruction: Jump{Skip: 10},
assembler: "ja 10",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 8, SkipFalse: 9},
assembler: "jeq #42,8,9",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipTrue: 8},
assembler: "jeq #42,8",
},
{
instruction: JumpIf{Cond: JumpEqual, Val: 42, SkipFalse: 8},
assembler: "jneq #42,8",
},
{
instruction: JumpIf{Cond: JumpNotEqual, Val: 42, SkipTrue: 8},
assembler: "jneq #42,8",
},
{
instruction: JumpIf{Cond: JumpLessThan, Val: 42, SkipTrue: 7},
assembler: "jlt #42,7",
},
{
instruction: JumpIf{Cond: JumpLessOrEqual, Val: 42, SkipTrue: 6},
assembler: "jle #42,6",
},
{
instruction: JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 4, SkipFalse: 5},
assembler: "jgt #42,4,5",
},
{
instruction: JumpIf{Cond: JumpGreaterThan, Val: 42, SkipTrue: 4},
assembler: "jgt #42,4",
},
{
instruction: JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 3, SkipFalse: 4},
assembler: "jge #42,3,4",
},
{
instruction: JumpIf{Cond: JumpGreaterOrEqual, Val: 42, SkipTrue: 3},
assembler: "jge #42,3",
},
{
instruction: JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 2, SkipFalse: 3},
assembler: "jset #42,2,3",
},
{
instruction: JumpIf{Cond: JumpBitsSet, Val: 42, SkipTrue: 2},
assembler: "jset #42,2",
},
{
instruction: JumpIf{Cond: JumpBitsNotSet, Val: 42, SkipTrue: 2, SkipFalse: 3},
assembler: "jset #42,3,2",
},
{
instruction: JumpIf{Cond: JumpBitsNotSet, Val: 42, SkipTrue: 2},
assembler: "jset #42,0,2",
},
{
instruction: JumpIf{Cond: 0xffff, Val: 42, SkipTrue: 1, SkipFalse: 2},
assembler: "unknown JumpTest 0xffff",
},
{
instruction: JumpIfX{Cond: JumpEqual, SkipTrue: 8, SkipFalse: 9},
assembler: "jeq x,8,9",
},
{
instruction: JumpIfX{Cond: JumpEqual, SkipTrue: 8},
assembler: "jeq x,8",
},
{
instruction: JumpIfX{Cond: JumpEqual, SkipFalse: 8},
assembler: "jneq x,8",
},
{
instruction: JumpIfX{Cond: JumpNotEqual, SkipTrue: 8},
assembler: "jneq x,8",
},
{
instruction: JumpIfX{Cond: JumpLessThan, SkipTrue: 7},
assembler: "jlt x,7",
},
{
instruction: JumpIfX{Cond: JumpLessOrEqual, SkipTrue: 6},
assembler: "jle x,6",
},
{
instruction: JumpIfX{Cond: JumpGreaterThan, SkipTrue: 4, SkipFalse: 5},
assembler: "jgt x,4,5",
},
{
instruction: JumpIfX{Cond: JumpGreaterThan, SkipTrue: 4},
assembler: "jgt x,4",
},
{
instruction: JumpIfX{Cond: JumpGreaterOrEqual, SkipTrue: 3, SkipFalse: 4},
assembler: "jge x,3,4",
},
{
instruction: JumpIfX{Cond: JumpGreaterOrEqual, SkipTrue: 3},
assembler: "jge x,3",
},
{
instruction: JumpIfX{Cond: JumpBitsSet, SkipTrue: 2, SkipFalse: 3},
assembler: "jset x,2,3",
},
{
instruction: JumpIfX{Cond: JumpBitsSet, SkipTrue: 2},
assembler: "jset x,2",
},
{
instruction: JumpIfX{Cond: JumpBitsNotSet, SkipTrue: 2, SkipFalse: 3},
assembler: "jset x,3,2",
},
{
instruction: JumpIfX{Cond: JumpBitsNotSet, SkipTrue: 2},
assembler: "jset x,0,2",
},
{
instruction: JumpIfX{Cond: 0xffff, SkipTrue: 1, SkipFalse: 2},
assembler: "unknown JumpTest 0xffff",
},
{
instruction: TAX{},
assembler: "tax",
},
{
instruction: TXA{},
assembler: "txa",
},
{
instruction: RetA{},
assembler: "ret a",
},
{
instruction: RetConstant{Val: 42},
assembler: "ret #42",
},
// Invalid instruction
{
instruction: InvalidInstruction{},
assembler: "unknown instruction: bpf.InvalidInstruction{}",
},
}
for _, testCase := range testCases {
if input, ok := testCase.instruction.(fmt.Stringer); ok {
got := input.String()
if got != testCase.assembler {
t.Errorf("String did not return expected assembler notation, expected: %s, got: %s", testCase.assembler, got)
}
} else {
t.Errorf("Instruction %#v is not a fmt.Stringer", testCase.instruction)
}
}
}

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@ -1,10 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
// A Setter is a type which can attach a compiled BPF filter to itself.
type Setter interface {
SetBPF(filter []RawInstruction) error
}

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@ -1 +0,0 @@
57,0 0 0 42,1 0 0 42,96 0 0 3,97 0 0 3,48 0 0 42,40 0 0 42,32 0 0 42,80 0 0 42,72 0 0 42,64 0 0 42,177 0 0 42,128 0 0 0,32 0 0 4294963200,32 0 0 4294963204,32 0 0 4294963256,2 0 0 3,3 0 0 3,4 0 0 42,20 0 0 42,36 0 0 42,52 0 0 42,68 0 0 42,84 0 0 42,100 0 0 42,116 0 0 42,148 0 0 42,164 0 0 42,12 0 0 0,28 0 0 0,44 0 0 0,60 0 0 0,76 0 0 0,92 0 0 0,108 0 0 0,124 0 0 0,156 0 0 0,172 0 0 0,132 0 0 0,5 0 0 17,21 15 16 42,21 0 15 42,53 0 14 42,37 0 13 42,37 11 12 42,53 10 11 42,69 9 10 42,29 8 9 0,29 0 8 0,61 0 7 0,45 0 6 0,45 4 5 0,61 3 4 0,77 2 3 0,7 0 0 0,135 0 0 0,22 0 0 0,6 0 0 42,

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@ -1,88 +0,0 @@
# This filter is compiled to all_instructions.bpf by the `bpf_asm`
# tool, which can be found in the linux kernel source tree under
# tools/bpf.
# Load immediate
ld #42
ldx #42
# Load scratch
ld M[3]
ldx M[3]
# Load absolute
ldb [42]
ldh [42]
ld [42]
# Load indirect
ldb [x + 42]
ldh [x + 42]
ld [x + 42]
# Load IPv4 header length
ldx 4*([42]&0xf)
# Run extension function
ld #len
ld #proto
ld #type
ld #rand
# Store scratch
st M[3]
stx M[3]
# A <op> constant
add #42
sub #42
mul #42
div #42
or #42
and #42
lsh #42
rsh #42
mod #42
xor #42
# A <op> X
add x
sub x
mul x
div x
or x
and x
lsh x
rsh x
mod x
xor x
# !A
neg
# Jump A <op> constant
ja end
jeq #42,prev,end
jne #42,end
jlt #42,end
jle #42,end
jgt #42,prev,end
jge #42,prev,end
jset #42,prev,end
# Jump A <op> X
jeq x,prev,end
jne x,end
jlt x,end
jle x,end
jgt x,prev,end
jge x,prev,end
jset x,prev,end
# Register transfers
tax
txa
# Returns
prev: ret a
end: ret #42

150
vendor/golang.org/x/net/bpf/vm.go generated vendored
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@ -1,150 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import (
"errors"
"fmt"
)
// A VM is an emulated BPF virtual machine.
type VM struct {
filter []Instruction
}
// NewVM returns a new VM using the input BPF program.
func NewVM(filter []Instruction) (*VM, error) {
if len(filter) == 0 {
return nil, errors.New("one or more Instructions must be specified")
}
for i, ins := range filter {
check := len(filter) - (i + 1)
switch ins := ins.(type) {
// Check for out-of-bounds jumps in instructions
case Jump:
if check <= int(ins.Skip) {
return nil, fmt.Errorf("cannot jump %d instructions; jumping past program bounds", ins.Skip)
}
case JumpIf:
if check <= int(ins.SkipTrue) {
return nil, fmt.Errorf("cannot jump %d instructions in true case; jumping past program bounds", ins.SkipTrue)
}
if check <= int(ins.SkipFalse) {
return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse)
}
case JumpIfX:
if check <= int(ins.SkipTrue) {
return nil, fmt.Errorf("cannot jump %d instructions in true case; jumping past program bounds", ins.SkipTrue)
}
if check <= int(ins.SkipFalse) {
return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse)
}
// Check for division or modulus by zero
case ALUOpConstant:
if ins.Val != 0 {
break
}
switch ins.Op {
case ALUOpDiv, ALUOpMod:
return nil, errors.New("cannot divide by zero using ALUOpConstant")
}
// Check for unknown extensions
case LoadExtension:
switch ins.Num {
case ExtLen:
default:
return nil, fmt.Errorf("extension %d not implemented", ins.Num)
}
}
}
// Make sure last instruction is a return instruction
switch filter[len(filter)-1].(type) {
case RetA, RetConstant:
default:
return nil, errors.New("BPF program must end with RetA or RetConstant")
}
// Though our VM works using disassembled instructions, we
// attempt to assemble the input filter anyway to ensure it is compatible
// with an operating system VM.
_, err := Assemble(filter)
return &VM{
filter: filter,
}, err
}
// Run runs the VM's BPF program against the input bytes.
// Run returns the number of bytes accepted by the BPF program, and any errors
// which occurred while processing the program.
func (v *VM) Run(in []byte) (int, error) {
var (
// Registers of the virtual machine
regA uint32
regX uint32
regScratch [16]uint32
// OK is true if the program should continue processing the next
// instruction, or false if not, causing the loop to break
ok = true
)
// TODO(mdlayher): implement:
// - NegateA:
// - would require a change from uint32 registers to int32
// registers
// TODO(mdlayher): add interop tests that check signedness of ALU
// operations against kernel implementation, and make sure Go
// implementation matches behavior
for i := 0; i < len(v.filter) && ok; i++ {
ins := v.filter[i]
switch ins := ins.(type) {
case ALUOpConstant:
regA = aluOpConstant(ins, regA)
case ALUOpX:
regA, ok = aluOpX(ins, regA, regX)
case Jump:
i += int(ins.Skip)
case JumpIf:
jump := jumpIf(ins, regA)
i += jump
case JumpIfX:
jump := jumpIfX(ins, regA, regX)
i += jump
case LoadAbsolute:
regA, ok = loadAbsolute(ins, in)
case LoadConstant:
regA, regX = loadConstant(ins, regA, regX)
case LoadExtension:
regA = loadExtension(ins, in)
case LoadIndirect:
regA, ok = loadIndirect(ins, in, regX)
case LoadMemShift:
regX, ok = loadMemShift(ins, in)
case LoadScratch:
regA, regX = loadScratch(ins, regScratch, regA, regX)
case RetA:
return int(regA), nil
case RetConstant:
return int(ins.Val), nil
case StoreScratch:
regScratch = storeScratch(ins, regScratch, regA, regX)
case TAX:
regX = regA
case TXA:
regA = regX
default:
return 0, fmt.Errorf("unknown Instruction at index %d: %T", i, ins)
}
}
return 0, nil
}

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@ -1,512 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMALUOpAdd(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAdd,
Val: 3,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
8, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 3, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpSub(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
bpf.ALUOpX{
Op: bpf.ALUOpSub,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpMul(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMul,
Val: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
6, 2, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpDiv(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpDiv,
Val: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
20, 2, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpDivByZeroALUOpConstant(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.ALUOpConstant{
Op: bpf.ALUOpDiv,
Val: 0,
},
bpf.RetA{},
})
if errStr(err) != "cannot divide by zero using ALUOpConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMALUOpDivByZeroALUOpX(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 0 into X
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
// Load byte 1 into A
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Attempt to perform 1/0
bpf.ALUOpX{
Op: bpf.ALUOpDiv,
},
// Return 4 bytes if program does not terminate
bpf.LoadConstant{
Val: 12,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpOr(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpOr,
Val: 0x01,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x00, 0x10, 0x03, 0x04,
0x05, 0x06, 0x07, 0x08,
0x09, 0xff,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 9, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpAnd(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAnd,
Val: 0x0019,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0xaa, 0x09,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpShiftLeft(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpShiftLeft,
Val: 0x01,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x02,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0xaa,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpShiftRight(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpShiftRight,
Val: 0x01,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x04,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x08, 0xff, 0xff,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpMod(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMod,
Val: 20,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
30, 0, 0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpModByZeroALUOpConstant(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpMod,
Val: 0,
},
bpf.RetA{},
})
if errStr(err) != "cannot divide by zero using ALUOpConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMALUOpModByZeroALUOpX(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 0 into X
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.TAX{},
// Load byte 1 into A
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Attempt to perform 1%0
bpf.ALUOpX{
Op: bpf.ALUOpMod,
},
// Return 4 bytes if program does not terminate
bpf.LoadConstant{
Val: 12,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 3, 4,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpXor(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpXor,
Val: 0x0a,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x01,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x0b, 0x00, 0x00, 0x00,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMALUOpUnknown(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.ALUOpConstant{
Op: bpf.ALUOpAdd,
Val: 1,
},
// Verify that an unknown operation is a no-op
bpf.ALUOpConstant{
Op: 100,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 0x02,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

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@ -1,192 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"net"
"runtime"
"testing"
"time"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv4"
)
// A virtualMachine is a BPF virtual machine which can process an
// input packet against a BPF program and render a verdict.
type virtualMachine interface {
Run(in []byte) (int, error)
}
// canUseOSVM indicates if the OS BPF VM is available on this platform.
func canUseOSVM() bool {
// OS BPF VM can only be used on platforms where x/net/ipv4 supports
// attaching a BPF program to a socket.
switch runtime.GOOS {
case "linux":
return true
}
return false
}
// All BPF tests against both the Go VM and OS VM are assumed to
// be used with a UDP socket. As a result, the entire contents
// of a UDP datagram is sent through the BPF program, but only
// the body after the UDP header will ever be returned in output.
// testVM sets up a Go BPF VM, and if available, a native OS BPF VM
// for integration testing.
func testVM(t *testing.T, filter []bpf.Instruction) (virtualMachine, func(), error) {
goVM, err := bpf.NewVM(filter)
if err != nil {
// Some tests expect an error, so this error must be returned
// instead of fatally exiting the test
return nil, nil, err
}
mvm := &multiVirtualMachine{
goVM: goVM,
t: t,
}
// If available, add the OS VM for tests which verify that both the Go
// VM and OS VM have exactly the same output for the same input program
// and packet.
done := func() {}
if canUseOSVM() {
osVM, osVMDone := testOSVM(t, filter)
done = func() { osVMDone() }
mvm.osVM = osVM
}
return mvm, done, nil
}
// udpHeaderLen is the length of a UDP header.
const udpHeaderLen = 8
// A multiVirtualMachine is a virtualMachine which can call out to both the Go VM
// and the native OS VM, if the OS VM is available.
type multiVirtualMachine struct {
goVM virtualMachine
osVM virtualMachine
t *testing.T
}
func (mvm *multiVirtualMachine) Run(in []byte) (int, error) {
if len(in) < udpHeaderLen {
mvm.t.Fatalf("input must be at least length of UDP header (%d), got: %d",
udpHeaderLen, len(in))
}
// All tests have a UDP header as part of input, because the OS VM
// packets always will. For the Go VM, this output is trimmed before
// being sent back to tests.
goOut, goErr := mvm.goVM.Run(in)
if goOut >= udpHeaderLen {
goOut -= udpHeaderLen
}
// If Go output is larger than the size of the packet, packet filtering
// interop tests must trim the output bytes to the length of the packet.
// The BPF VM should not do this on its own, as other uses of it do
// not trim the output byte count.
trim := len(in) - udpHeaderLen
if goOut > trim {
goOut = trim
}
// When the OS VM is not available, process using the Go VM alone
if mvm.osVM == nil {
return goOut, goErr
}
// The OS VM will apply its own UDP header, so remove the pseudo header
// that the Go VM needs.
osOut, err := mvm.osVM.Run(in[udpHeaderLen:])
if err != nil {
mvm.t.Fatalf("error while running OS VM: %v", err)
}
// Verify both VMs return same number of bytes
var mismatch bool
if goOut != osOut {
mismatch = true
mvm.t.Logf("output byte count does not match:\n- go: %v\n- os: %v", goOut, osOut)
}
if mismatch {
mvm.t.Fatal("Go BPF and OS BPF packet outputs do not match")
}
return goOut, goErr
}
// An osVirtualMachine is a virtualMachine which uses the OS's BPF VM for
// processing BPF programs.
type osVirtualMachine struct {
l net.PacketConn
s net.Conn
}
// testOSVM creates a virtualMachine which uses the OS's BPF VM by injecting
// packets into a UDP listener with a BPF program attached to it.
func testOSVM(t *testing.T, filter []bpf.Instruction) (virtualMachine, func()) {
l, err := net.ListenPacket("udp4", "127.0.0.1:0")
if err != nil {
t.Fatalf("failed to open OS VM UDP listener: %v", err)
}
prog, err := bpf.Assemble(filter)
if err != nil {
t.Fatalf("failed to compile BPF program: %v", err)
}
p := ipv4.NewPacketConn(l)
if err = p.SetBPF(prog); err != nil {
t.Fatalf("failed to attach BPF program to listener: %v", err)
}
s, err := net.Dial("udp4", l.LocalAddr().String())
if err != nil {
t.Fatalf("failed to dial connection to listener: %v", err)
}
done := func() {
_ = s.Close()
_ = l.Close()
}
return &osVirtualMachine{
l: l,
s: s,
}, done
}
// Run sends the input bytes into the OS's BPF VM and returns its verdict.
func (vm *osVirtualMachine) Run(in []byte) (int, error) {
go func() {
_, _ = vm.s.Write(in)
}()
vm.l.SetDeadline(time.Now().Add(50 * time.Millisecond))
var b [512]byte
n, _, err := vm.l.ReadFrom(b[:])
if err != nil {
// A timeout indicates that BPF filtered out the packet, and thus,
// no input should be returned.
if nerr, ok := err.(net.Error); ok && nerr.Timeout() {
return n, nil
}
return n, err
}
return n, nil
}

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@ -1,49 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMLoadExtensionNotImplemented(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadExtension{
Num: 100,
},
bpf.RetA{},
})
if errStr(err) != "extension 100 not implemented" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadExtensionExtLen(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadExtension{
Num: bpf.ExtLen,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

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@ -1,181 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf
import (
"encoding/binary"
"fmt"
)
func aluOpConstant(ins ALUOpConstant, regA uint32) uint32 {
return aluOpCommon(ins.Op, regA, ins.Val)
}
func aluOpX(ins ALUOpX, regA uint32, regX uint32) (uint32, bool) {
// Guard against division or modulus by zero by terminating
// the program, as the OS BPF VM does
if regX == 0 {
switch ins.Op {
case ALUOpDiv, ALUOpMod:
return 0, false
}
}
return aluOpCommon(ins.Op, regA, regX), true
}
func aluOpCommon(op ALUOp, regA uint32, value uint32) uint32 {
switch op {
case ALUOpAdd:
return regA + value
case ALUOpSub:
return regA - value
case ALUOpMul:
return regA * value
case ALUOpDiv:
// Division by zero not permitted by NewVM and aluOpX checks
return regA / value
case ALUOpOr:
return regA | value
case ALUOpAnd:
return regA & value
case ALUOpShiftLeft:
return regA << value
case ALUOpShiftRight:
return regA >> value
case ALUOpMod:
// Modulus by zero not permitted by NewVM and aluOpX checks
return regA % value
case ALUOpXor:
return regA ^ value
default:
return regA
}
}
func jumpIf(ins JumpIf, regA uint32) int {
return jumpIfCommon(ins.Cond, ins.SkipTrue, ins.SkipFalse, regA, ins.Val)
}
func jumpIfX(ins JumpIfX, regA uint32, regX uint32) int {
return jumpIfCommon(ins.Cond, ins.SkipTrue, ins.SkipFalse, regA, regX)
}
func jumpIfCommon(cond JumpTest, skipTrue, skipFalse uint8, regA uint32, value uint32) int {
var ok bool
switch cond {
case JumpEqual:
ok = regA == value
case JumpNotEqual:
ok = regA != value
case JumpGreaterThan:
ok = regA > value
case JumpLessThan:
ok = regA < value
case JumpGreaterOrEqual:
ok = regA >= value
case JumpLessOrEqual:
ok = regA <= value
case JumpBitsSet:
ok = (regA & value) != 0
case JumpBitsNotSet:
ok = (regA & value) == 0
}
if ok {
return int(skipTrue)
}
return int(skipFalse)
}
func loadAbsolute(ins LoadAbsolute, in []byte) (uint32, bool) {
offset := int(ins.Off)
size := int(ins.Size)
return loadCommon(in, offset, size)
}
func loadConstant(ins LoadConstant, regA uint32, regX uint32) (uint32, uint32) {
switch ins.Dst {
case RegA:
regA = ins.Val
case RegX:
regX = ins.Val
}
return regA, regX
}
func loadExtension(ins LoadExtension, in []byte) uint32 {
switch ins.Num {
case ExtLen:
return uint32(len(in))
default:
panic(fmt.Sprintf("unimplemented extension: %d", ins.Num))
}
}
func loadIndirect(ins LoadIndirect, in []byte, regX uint32) (uint32, bool) {
offset := int(ins.Off) + int(regX)
size := int(ins.Size)
return loadCommon(in, offset, size)
}
func loadMemShift(ins LoadMemShift, in []byte) (uint32, bool) {
offset := int(ins.Off)
if !inBounds(len(in), offset, 0) {
return 0, false
}
// Mask off high 4 bits and multiply low 4 bits by 4
return uint32(in[offset]&0x0f) * 4, true
}
func inBounds(inLen int, offset int, size int) bool {
return offset+size <= inLen
}
func loadCommon(in []byte, offset int, size int) (uint32, bool) {
if !inBounds(len(in), offset, size) {
return 0, false
}
switch size {
case 1:
return uint32(in[offset]), true
case 2:
return uint32(binary.BigEndian.Uint16(in[offset : offset+size])), true
case 4:
return uint32(binary.BigEndian.Uint32(in[offset : offset+size])), true
default:
panic(fmt.Sprintf("invalid load size: %d", size))
}
}
func loadScratch(ins LoadScratch, regScratch [16]uint32, regA uint32, regX uint32) (uint32, uint32) {
switch ins.Dst {
case RegA:
regA = regScratch[ins.N]
case RegX:
regX = regScratch[ins.N]
}
return regA, regX
}
func storeScratch(ins StoreScratch, regScratch [16]uint32, regA uint32, regX uint32) [16]uint32 {
switch ins.Src {
case RegA:
regScratch[ins.N] = regA
case RegX:
regScratch[ins.N] = regX
}
return regScratch
}

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@ -1,726 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMJumpOne(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.Jump{
Skip: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.Jump{
Skip: 1,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 1 instructions; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfTrueOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIf{
Cond: bpf.JumpEqual,
SkipTrue: 2,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 2 instructions in true case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfFalseOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIf{
Cond: bpf.JumpEqual,
SkipFalse: 3,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 3 instructions in false case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfXTrueOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIfX{
Cond: bpf.JumpEqual,
SkipTrue: 2,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 2 instructions in true case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfXFalseOutOfProgram(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.JumpIfX{
Cond: bpf.JumpEqual,
SkipFalse: 3,
},
bpf.RetA{},
})
if errStr(err) != "cannot jump 3 instructions in false case; jumping past program bounds" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMJumpIfEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 1,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfNotEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.JumpIf{
Cond: bpf.JumpNotEqual,
Val: 1,
SkipFalse: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfGreaterThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpGreaterThan,
Val: 0x00010202,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfLessThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpLessThan,
Val: 0xff010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfGreaterOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpGreaterOrEqual,
Val: 0x00010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfLessOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.JumpIf{
Cond: bpf.JumpLessOrEqual,
Val: 0xff010203,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfBitsSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.JumpIf{
Cond: bpf.JumpBitsSet,
Val: 0x1122,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfBitsNotSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.JumpIf{
Cond: bpf.JumpBitsNotSet,
Val: 0x1221,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 1,
},
bpf.JumpIfX{
Cond: bpf.JumpEqual,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXNotEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 1,
},
bpf.JumpIfX{
Cond: bpf.JumpNotEqual,
SkipFalse: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXGreaterThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0x00010202,
},
bpf.JumpIfX{
Cond: bpf.JumpGreaterThan,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXLessThan(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0xff010203,
},
bpf.JumpIfX{
Cond: bpf.JumpLessThan,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXGreaterOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0x00010203,
},
bpf.JumpIfX{
Cond: bpf.JumpGreaterOrEqual,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXLessOrEqual(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 4,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0xff010203,
},
bpf.JumpIfX{
Cond: bpf.JumpLessOrEqual,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 12,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 4, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXBitsSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0x1122,
},
bpf.JumpIfX{
Cond: bpf.JumpBitsSet,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMJumpIfXBitsNotSet(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 0x1221,
},
bpf.JumpIfX{
Cond: bpf.JumpBitsNotSet,
SkipTrue: 1,
},
bpf.RetConstant{
Val: 0,
},
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x01, 0x02,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

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@ -1,246 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"net"
"testing"
"golang.org/x/net/bpf"
"golang.org/x/net/ipv4"
)
func TestVMLoadAbsoluteOffsetOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 100,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1, 2, 3,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadAbsoluteOffsetPlusSizeOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadAbsoluteBadInstructionSize(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Size: 5,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid load byte length 0" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadConstantOK(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegX,
Val: 9,
},
bpf.TXA{},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadIndirectOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadIndirect{
Off: 100,
Size: 1,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadMemShiftOutOfBounds(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadMemShift{
Off: 100,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
const (
dhcp4Port = 53
)
func TestVMLoadMemShiftLoadIndirectNoResult(t *testing.T) {
vm, in, done := testDHCPv4(t)
defer done()
// Append mostly empty UDP header with incorrect DHCPv4 port
in = append(in, []byte{
0, 0,
0, dhcp4Port + 1,
0, 0,
0, 0,
}...)
out, err := vm.Run(in)
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 0, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMLoadMemShiftLoadIndirectOK(t *testing.T) {
vm, in, done := testDHCPv4(t)
defer done()
// Append mostly empty UDP header with correct DHCPv4 port
in = append(in, []byte{
0, 0,
0, dhcp4Port,
0, 0,
0, 0,
}...)
out, err := vm.Run(in)
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := len(in)-8, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func testDHCPv4(t *testing.T) (virtualMachine, []byte, func()) {
// DHCPv4 test data courtesy of David Anderson:
// https://github.com/google/netboot/blob/master/dhcp4/conn_linux.go#L59-L70
vm, done, err := testVM(t, []bpf.Instruction{
// Load IPv4 packet length
bpf.LoadMemShift{Off: 8},
// Get UDP dport
bpf.LoadIndirect{Off: 8 + 2, Size: 2},
// Correct dport?
bpf.JumpIf{Cond: bpf.JumpEqual, Val: dhcp4Port, SkipFalse: 1},
// Accept
bpf.RetConstant{Val: 1500},
// Ignore
bpf.RetConstant{Val: 0},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
// Minimal requirements to make a valid IPv4 header
h := &ipv4.Header{
Len: ipv4.HeaderLen,
Src: net.IPv4(192, 168, 1, 1),
Dst: net.IPv4(192, 168, 1, 2),
}
hb, err := h.Marshal()
if err != nil {
t.Fatalf("failed to marshal IPv4 header: %v", err)
}
hb = append([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
}, hb...)
return vm, hb, done
}

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@ -1,115 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMRetA(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
9,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetALargerThanInput(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadAbsolute{
Off: 8,
Size: 2,
},
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 255,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetConstant(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.RetConstant{
Val: 9,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 1, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMRetConstantLargerThanInput(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.RetConstant{
Val: 16,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

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@ -1,247 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"testing"
"golang.org/x/net/bpf"
)
func TestVMStoreScratchInvalidScratchRegisterTooSmall(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: bpf.RegA,
N: -1,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot -1" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchInvalidScratchRegisterTooLarge(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: bpf.RegA,
N: 16,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot 16" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchUnknownSourceRegister(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.StoreScratch{
Src: 100,
N: 0,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid source register 100" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchInvalidScratchRegisterTooSmall(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: bpf.RegX,
N: -1,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot -1" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchInvalidScratchRegisterTooLarge(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: bpf.RegX,
N: 16,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid scratch slot 16" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMLoadScratchUnknownDestinationRegister(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadScratch{
Dst: 100,
N: 0,
},
bpf.RetA{},
})
if errStr(err) != "assembling instruction 1: invalid target register 100" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMStoreScratchLoadScratchOneValue(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 255
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
// Copy to X and store in scratch[0]
bpf.TAX{},
bpf.StoreScratch{
Src: bpf.RegX,
N: 0,
},
// Load byte 1
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Overwrite 1 with 255 from scratch[0]
bpf.LoadScratch{
Dst: bpf.RegA,
N: 0,
},
// Return 255
bpf.RetA{},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
255, 1, 2,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 3, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}
func TestVMStoreScratchLoadScratchMultipleValues(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
// Load byte 10
bpf.LoadAbsolute{
Off: 8,
Size: 1,
},
// Store in scratch[0]
bpf.StoreScratch{
Src: bpf.RegA,
N: 0,
},
// Load byte 20
bpf.LoadAbsolute{
Off: 9,
Size: 1,
},
// Store in scratch[1]
bpf.StoreScratch{
Src: bpf.RegA,
N: 1,
},
// Load byte 30
bpf.LoadAbsolute{
Off: 10,
Size: 1,
},
// Store in scratch[2]
bpf.StoreScratch{
Src: bpf.RegA,
N: 2,
},
// Load byte 1
bpf.LoadAbsolute{
Off: 11,
Size: 1,
},
// Store in scratch[3]
bpf.StoreScratch{
Src: bpf.RegA,
N: 3,
},
// Load in byte 10 to X
bpf.LoadScratch{
Dst: bpf.RegX,
N: 0,
},
// Copy X -> A
bpf.TXA{},
// Verify value is 10
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 10,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Load in byte 20 to A
bpf.LoadScratch{
Dst: bpf.RegA,
N: 1,
},
// Verify value is 20
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 20,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Load in byte 30 to A
bpf.LoadScratch{
Dst: bpf.RegA,
N: 2,
},
// Verify value is 30
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: 30,
SkipTrue: 1,
},
// Fail test if incorrect
bpf.RetConstant{
Val: 0,
},
// Return first two bytes on success
bpf.RetConstant{
Val: 10,
},
})
if err != nil {
t.Fatalf("failed to load BPF program: %v", err)
}
defer done()
out, err := vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
10, 20, 30, 1,
})
if err != nil {
t.Fatalf("unexpected error while running program: %v", err)
}
if want, got := 2, out; want != got {
t.Fatalf("unexpected number of output bytes:\n- want: %d\n- got: %d",
want, got)
}
}

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@ -1,144 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package bpf_test
import (
"fmt"
"testing"
"golang.org/x/net/bpf"
)
var _ bpf.Instruction = unknown{}
type unknown struct{}
func (unknown) Assemble() (bpf.RawInstruction, error) {
return bpf.RawInstruction{}, nil
}
func TestVMUnknownInstruction(t *testing.T) {
vm, done, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegA,
Val: 100,
},
// Should terminate the program with an error immediately
unknown{},
bpf.RetA{},
})
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
defer done()
_, err = vm.Run([]byte{
0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff,
0x00, 0x00,
})
if errStr(err) != "unknown Instruction at index 1: bpf_test.unknown" {
t.Fatalf("unexpected error while running program: %v", err)
}
}
func TestVMNoReturnInstruction(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{
bpf.LoadConstant{
Dst: bpf.RegA,
Val: 1,
},
})
if errStr(err) != "BPF program must end with RetA or RetConstant" {
t.Fatalf("unexpected error: %v", err)
}
}
func TestVMNoInputInstructions(t *testing.T) {
_, _, err := testVM(t, []bpf.Instruction{})
if errStr(err) != "one or more Instructions must be specified" {
t.Fatalf("unexpected error: %v", err)
}
}
// ExampleNewVM demonstrates usage of a VM, using an Ethernet frame
// as input and checking its EtherType to determine if it should be accepted.
func ExampleNewVM() {
// Offset | Length | Comment
// -------------------------
// 00 | 06 | Ethernet destination MAC address
// 06 | 06 | Ethernet source MAC address
// 12 | 02 | Ethernet EtherType
const (
etOff = 12
etLen = 2
etARP = 0x0806
)
// Set up a VM to filter traffic based on if its EtherType
// matches the ARP EtherType.
vm, err := bpf.NewVM([]bpf.Instruction{
// Load EtherType value from Ethernet header
bpf.LoadAbsolute{
Off: etOff,
Size: etLen,
},
// If EtherType is equal to the ARP EtherType, jump to allow
// packet to be accepted
bpf.JumpIf{
Cond: bpf.JumpEqual,
Val: etARP,
SkipTrue: 1,
},
// EtherType does not match the ARP EtherType
bpf.RetConstant{
Val: 0,
},
// EtherType matches the ARP EtherType, accept up to 1500
// bytes of packet
bpf.RetConstant{
Val: 1500,
},
})
if err != nil {
panic(fmt.Sprintf("failed to load BPF program: %v", err))
}
// Create an Ethernet frame with the ARP EtherType for testing
frame := []byte{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x11, 0x22, 0x33, 0x44, 0x55,
0x08, 0x06,
// Payload omitted for brevity
}
// Run our VM's BPF program using the Ethernet frame as input
out, err := vm.Run(frame)
if err != nil {
panic(fmt.Sprintf("failed to accept Ethernet frame: %v", err))
}
// BPF VM can return a byte count greater than the number of input
// bytes, so trim the output to match the input byte length
if out > len(frame) {
out = len(frame)
}
fmt.Printf("out: %d bytes", out)
// Output:
// out: 14 bytes
}
// errStr returns the string representation of an error, or
// "<nil>" if it is nil.
func errStr(err error) string {
if err == nil {
return "<nil>"
}
return err.Error()
}

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@ -1 +0,0 @@
issuerepo: golang/go

View File

@ -1,583 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.7
package context
import (
"fmt"
"math/rand"
"runtime"
"strings"
"sync"
"testing"
"time"
)
// otherContext is a Context that's not one of the types defined in context.go.
// This lets us test code paths that differ based on the underlying type of the
// Context.
type otherContext struct {
Context
}
func TestBackground(t *testing.T) {
c := Background()
if c == nil {
t.Fatalf("Background returned nil")
}
select {
case x := <-c.Done():
t.Errorf("<-c.Done() == %v want nothing (it should block)", x)
default:
}
if got, want := fmt.Sprint(c), "context.Background"; got != want {
t.Errorf("Background().String() = %q want %q", got, want)
}
}
func TestTODO(t *testing.T) {
c := TODO()
if c == nil {
t.Fatalf("TODO returned nil")
}
select {
case x := <-c.Done():
t.Errorf("<-c.Done() == %v want nothing (it should block)", x)
default:
}
if got, want := fmt.Sprint(c), "context.TODO"; got != want {
t.Errorf("TODO().String() = %q want %q", got, want)
}
}
func TestWithCancel(t *testing.T) {
c1, cancel := WithCancel(Background())
if got, want := fmt.Sprint(c1), "context.Background.WithCancel"; got != want {
t.Errorf("c1.String() = %q want %q", got, want)
}
o := otherContext{c1}
c2, _ := WithCancel(o)
contexts := []Context{c1, o, c2}
for i, c := range contexts {
if d := c.Done(); d == nil {
t.Errorf("c[%d].Done() == %v want non-nil", i, d)
}
if e := c.Err(); e != nil {
t.Errorf("c[%d].Err() == %v want nil", i, e)
}
select {
case x := <-c.Done():
t.Errorf("<-c.Done() == %v want nothing (it should block)", x)
default:
}
}
cancel()
time.Sleep(100 * time.Millisecond) // let cancelation propagate
for i, c := range contexts {
select {
case <-c.Done():
default:
t.Errorf("<-c[%d].Done() blocked, but shouldn't have", i)
}
if e := c.Err(); e != Canceled {
t.Errorf("c[%d].Err() == %v want %v", i, e, Canceled)
}
}
}
func TestParentFinishesChild(t *testing.T) {
// Context tree:
// parent -> cancelChild
// parent -> valueChild -> timerChild
parent, cancel := WithCancel(Background())
cancelChild, stop := WithCancel(parent)
defer stop()
valueChild := WithValue(parent, "key", "value")
timerChild, stop := WithTimeout(valueChild, 10000*time.Hour)
defer stop()
select {
case x := <-parent.Done():
t.Errorf("<-parent.Done() == %v want nothing (it should block)", x)
case x := <-cancelChild.Done():
t.Errorf("<-cancelChild.Done() == %v want nothing (it should block)", x)
case x := <-timerChild.Done():
t.Errorf("<-timerChild.Done() == %v want nothing (it should block)", x)
case x := <-valueChild.Done():
t.Errorf("<-valueChild.Done() == %v want nothing (it should block)", x)
default:
}
// The parent's children should contain the two cancelable children.
pc := parent.(*cancelCtx)
cc := cancelChild.(*cancelCtx)
tc := timerChild.(*timerCtx)
pc.mu.Lock()
if len(pc.children) != 2 || !pc.children[cc] || !pc.children[tc] {
t.Errorf("bad linkage: pc.children = %v, want %v and %v",
pc.children, cc, tc)
}
pc.mu.Unlock()
if p, ok := parentCancelCtx(cc.Context); !ok || p != pc {
t.Errorf("bad linkage: parentCancelCtx(cancelChild.Context) = %v, %v want %v, true", p, ok, pc)
}
if p, ok := parentCancelCtx(tc.Context); !ok || p != pc {
t.Errorf("bad linkage: parentCancelCtx(timerChild.Context) = %v, %v want %v, true", p, ok, pc)
}
cancel()
pc.mu.Lock()
if len(pc.children) != 0 {
t.Errorf("pc.cancel didn't clear pc.children = %v", pc.children)
}
pc.mu.Unlock()
// parent and children should all be finished.
check := func(ctx Context, name string) {
select {
case <-ctx.Done():
default:
t.Errorf("<-%s.Done() blocked, but shouldn't have", name)
}
if e := ctx.Err(); e != Canceled {
t.Errorf("%s.Err() == %v want %v", name, e, Canceled)
}
}
check(parent, "parent")
check(cancelChild, "cancelChild")
check(valueChild, "valueChild")
check(timerChild, "timerChild")
// WithCancel should return a canceled context on a canceled parent.
precanceledChild := WithValue(parent, "key", "value")
select {
case <-precanceledChild.Done():
default:
t.Errorf("<-precanceledChild.Done() blocked, but shouldn't have")
}
if e := precanceledChild.Err(); e != Canceled {
t.Errorf("precanceledChild.Err() == %v want %v", e, Canceled)
}
}
func TestChildFinishesFirst(t *testing.T) {
cancelable, stop := WithCancel(Background())
defer stop()
for _, parent := range []Context{Background(), cancelable} {
child, cancel := WithCancel(parent)
select {
case x := <-parent.Done():
t.Errorf("<-parent.Done() == %v want nothing (it should block)", x)
case x := <-child.Done():
t.Errorf("<-child.Done() == %v want nothing (it should block)", x)
default:
}
cc := child.(*cancelCtx)
pc, pcok := parent.(*cancelCtx) // pcok == false when parent == Background()
if p, ok := parentCancelCtx(cc.Context); ok != pcok || (ok && pc != p) {
t.Errorf("bad linkage: parentCancelCtx(cc.Context) = %v, %v want %v, %v", p, ok, pc, pcok)
}
if pcok {
pc.mu.Lock()
if len(pc.children) != 1 || !pc.children[cc] {
t.Errorf("bad linkage: pc.children = %v, cc = %v", pc.children, cc)
}
pc.mu.Unlock()
}
cancel()
if pcok {
pc.mu.Lock()
if len(pc.children) != 0 {
t.Errorf("child's cancel didn't remove self from pc.children = %v", pc.children)
}
pc.mu.Unlock()
}
// child should be finished.
select {
case <-child.Done():
default:
t.Errorf("<-child.Done() blocked, but shouldn't have")
}
if e := child.Err(); e != Canceled {
t.Errorf("child.Err() == %v want %v", e, Canceled)
}
// parent should not be finished.
select {
case x := <-parent.Done():
t.Errorf("<-parent.Done() == %v want nothing (it should block)", x)
default:
}
if e := parent.Err(); e != nil {
t.Errorf("parent.Err() == %v want nil", e)
}
}
}
func testDeadline(c Context, wait time.Duration, t *testing.T) {
select {
case <-time.After(wait):
t.Fatalf("context should have timed out")
case <-c.Done():
}
if e := c.Err(); e != DeadlineExceeded {
t.Errorf("c.Err() == %v want %v", e, DeadlineExceeded)
}
}
func TestDeadline(t *testing.T) {
t.Parallel()
const timeUnit = 500 * time.Millisecond
c, _ := WithDeadline(Background(), time.Now().Add(1*timeUnit))
if got, prefix := fmt.Sprint(c), "context.Background.WithDeadline("; !strings.HasPrefix(got, prefix) {
t.Errorf("c.String() = %q want prefix %q", got, prefix)
}
testDeadline(c, 2*timeUnit, t)
c, _ = WithDeadline(Background(), time.Now().Add(1*timeUnit))
o := otherContext{c}
testDeadline(o, 2*timeUnit, t)
c, _ = WithDeadline(Background(), time.Now().Add(1*timeUnit))
o = otherContext{c}
c, _ = WithDeadline(o, time.Now().Add(3*timeUnit))
testDeadline(c, 2*timeUnit, t)
}
func TestTimeout(t *testing.T) {
t.Parallel()
const timeUnit = 500 * time.Millisecond
c, _ := WithTimeout(Background(), 1*timeUnit)
if got, prefix := fmt.Sprint(c), "context.Background.WithDeadline("; !strings.HasPrefix(got, prefix) {
t.Errorf("c.String() = %q want prefix %q", got, prefix)
}
testDeadline(c, 2*timeUnit, t)
c, _ = WithTimeout(Background(), 1*timeUnit)
o := otherContext{c}
testDeadline(o, 2*timeUnit, t)
c, _ = WithTimeout(Background(), 1*timeUnit)
o = otherContext{c}
c, _ = WithTimeout(o, 3*timeUnit)
testDeadline(c, 2*timeUnit, t)
}
func TestCanceledTimeout(t *testing.T) {
t.Parallel()
const timeUnit = 500 * time.Millisecond
c, _ := WithTimeout(Background(), 2*timeUnit)
o := otherContext{c}
c, cancel := WithTimeout(o, 4*timeUnit)
cancel()
time.Sleep(1 * timeUnit) // let cancelation propagate
select {
case <-c.Done():
default:
t.Errorf("<-c.Done() blocked, but shouldn't have")
}
if e := c.Err(); e != Canceled {
t.Errorf("c.Err() == %v want %v", e, Canceled)
}
}
type key1 int
type key2 int
var k1 = key1(1)
var k2 = key2(1) // same int as k1, different type
var k3 = key2(3) // same type as k2, different int
func TestValues(t *testing.T) {
check := func(c Context, nm, v1, v2, v3 string) {
if v, ok := c.Value(k1).(string); ok == (len(v1) == 0) || v != v1 {
t.Errorf(`%s.Value(k1).(string) = %q, %t want %q, %t`, nm, v, ok, v1, len(v1) != 0)
}
if v, ok := c.Value(k2).(string); ok == (len(v2) == 0) || v != v2 {
t.Errorf(`%s.Value(k2).(string) = %q, %t want %q, %t`, nm, v, ok, v2, len(v2) != 0)
}
if v, ok := c.Value(k3).(string); ok == (len(v3) == 0) || v != v3 {
t.Errorf(`%s.Value(k3).(string) = %q, %t want %q, %t`, nm, v, ok, v3, len(v3) != 0)
}
}
c0 := Background()
check(c0, "c0", "", "", "")
c1 := WithValue(Background(), k1, "c1k1")
check(c1, "c1", "c1k1", "", "")
if got, want := fmt.Sprint(c1), `context.Background.WithValue(1, "c1k1")`; got != want {
t.Errorf("c.String() = %q want %q", got, want)
}
c2 := WithValue(c1, k2, "c2k2")
check(c2, "c2", "c1k1", "c2k2", "")
c3 := WithValue(c2, k3, "c3k3")
check(c3, "c2", "c1k1", "c2k2", "c3k3")
c4 := WithValue(c3, k1, nil)
check(c4, "c4", "", "c2k2", "c3k3")
o0 := otherContext{Background()}
check(o0, "o0", "", "", "")
o1 := otherContext{WithValue(Background(), k1, "c1k1")}
check(o1, "o1", "c1k1", "", "")
o2 := WithValue(o1, k2, "o2k2")
check(o2, "o2", "c1k1", "o2k2", "")
o3 := otherContext{c4}
check(o3, "o3", "", "c2k2", "c3k3")
o4 := WithValue(o3, k3, nil)
check(o4, "o4", "", "c2k2", "")
}
func TestAllocs(t *testing.T) {
bg := Background()
for _, test := range []struct {
desc string
f func()
limit float64
gccgoLimit float64
}{
{
desc: "Background()",
f: func() { Background() },
limit: 0,
gccgoLimit: 0,
},
{
desc: fmt.Sprintf("WithValue(bg, %v, nil)", k1),
f: func() {
c := WithValue(bg, k1, nil)
c.Value(k1)
},
limit: 3,
gccgoLimit: 3,
},
{
desc: "WithTimeout(bg, 15*time.Millisecond)",
f: func() {
c, _ := WithTimeout(bg, 15*time.Millisecond)
<-c.Done()
},
limit: 8,
gccgoLimit: 16,
},
{
desc: "WithCancel(bg)",
f: func() {
c, cancel := WithCancel(bg)
cancel()
<-c.Done()
},
limit: 5,
gccgoLimit: 8,
},
{
desc: "WithTimeout(bg, 100*time.Millisecond)",
f: func() {
c, cancel := WithTimeout(bg, 100*time.Millisecond)
cancel()
<-c.Done()
},
limit: 8,
gccgoLimit: 25,
},
} {
limit := test.limit
if runtime.Compiler == "gccgo" {
// gccgo does not yet do escape analysis.
// TODO(iant): Remove this when gccgo does do escape analysis.
limit = test.gccgoLimit
}
if n := testing.AllocsPerRun(100, test.f); n > limit {
t.Errorf("%s allocs = %f want %d", test.desc, n, int(limit))
}
}
}
func TestSimultaneousCancels(t *testing.T) {
root, cancel := WithCancel(Background())
m := map[Context]CancelFunc{root: cancel}
q := []Context{root}
// Create a tree of contexts.
for len(q) != 0 && len(m) < 100 {
parent := q[0]
q = q[1:]
for i := 0; i < 4; i++ {
ctx, cancel := WithCancel(parent)
m[ctx] = cancel
q = append(q, ctx)
}
}
// Start all the cancels in a random order.
var wg sync.WaitGroup
wg.Add(len(m))
for _, cancel := range m {
go func(cancel CancelFunc) {
cancel()
wg.Done()
}(cancel)
}
// Wait on all the contexts in a random order.
for ctx := range m {
select {
case <-ctx.Done():
case <-time.After(1 * time.Second):
buf := make([]byte, 10<<10)
n := runtime.Stack(buf, true)
t.Fatalf("timed out waiting for <-ctx.Done(); stacks:\n%s", buf[:n])
}
}
// Wait for all the cancel functions to return.
done := make(chan struct{})
go func() {
wg.Wait()
close(done)
}()
select {
case <-done:
case <-time.After(1 * time.Second):
buf := make([]byte, 10<<10)
n := runtime.Stack(buf, true)
t.Fatalf("timed out waiting for cancel functions; stacks:\n%s", buf[:n])
}
}
func TestInterlockedCancels(t *testing.T) {
parent, cancelParent := WithCancel(Background())
child, cancelChild := WithCancel(parent)
go func() {
parent.Done()
cancelChild()
}()
cancelParent()
select {
case <-child.Done():
case <-time.After(1 * time.Second):
buf := make([]byte, 10<<10)
n := runtime.Stack(buf, true)
t.Fatalf("timed out waiting for child.Done(); stacks:\n%s", buf[:n])
}
}
func TestLayersCancel(t *testing.T) {
testLayers(t, time.Now().UnixNano(), false)
}
func TestLayersTimeout(t *testing.T) {
testLayers(t, time.Now().UnixNano(), true)
}
func testLayers(t *testing.T, seed int64, testTimeout bool) {
rand.Seed(seed)
errorf := func(format string, a ...interface{}) {
t.Errorf(fmt.Sprintf("seed=%d: %s", seed, format), a...)
}
const (
timeout = 200 * time.Millisecond
minLayers = 30
)
type value int
var (
vals []*value
cancels []CancelFunc
numTimers int
ctx = Background()
)
for i := 0; i < minLayers || numTimers == 0 || len(cancels) == 0 || len(vals) == 0; i++ {
switch rand.Intn(3) {
case 0:
v := new(value)
ctx = WithValue(ctx, v, v)
vals = append(vals, v)
case 1:
var cancel CancelFunc
ctx, cancel = WithCancel(ctx)
cancels = append(cancels, cancel)
case 2:
var cancel CancelFunc
ctx, cancel = WithTimeout(ctx, timeout)
cancels = append(cancels, cancel)
numTimers++
}
}
checkValues := func(when string) {
for _, key := range vals {
if val := ctx.Value(key).(*value); key != val {
errorf("%s: ctx.Value(%p) = %p want %p", when, key, val, key)
}
}
}
select {
case <-ctx.Done():
errorf("ctx should not be canceled yet")
default:
}
if s, prefix := fmt.Sprint(ctx), "context.Background."; !strings.HasPrefix(s, prefix) {
t.Errorf("ctx.String() = %q want prefix %q", s, prefix)
}
t.Log(ctx)
checkValues("before cancel")
if testTimeout {
select {
case <-ctx.Done():
case <-time.After(timeout + 100*time.Millisecond):
errorf("ctx should have timed out")
}
checkValues("after timeout")
} else {
cancel := cancels[rand.Intn(len(cancels))]
cancel()
select {
case <-ctx.Done():
default:
errorf("ctx should be canceled")
}
checkValues("after cancel")
}
}
func TestCancelRemoves(t *testing.T) {
checkChildren := func(when string, ctx Context, want int) {
if got := len(ctx.(*cancelCtx).children); got != want {
t.Errorf("%s: context has %d children, want %d", when, got, want)
}
}
ctx, _ := WithCancel(Background())
checkChildren("after creation", ctx, 0)
_, cancel := WithCancel(ctx)
checkChildren("with WithCancel child ", ctx, 1)
cancel()
checkChildren("after cancelling WithCancel child", ctx, 0)
ctx, _ = WithCancel(Background())
checkChildren("after creation", ctx, 0)
_, cancel = WithTimeout(ctx, 60*time.Minute)
checkChildren("with WithTimeout child ", ctx, 1)
cancel()
checkChildren("after cancelling WithTimeout child", ctx, 0)
}

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@ -1,117 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !plan9
package ctxhttp
import (
"context"
"io"
"io/ioutil"
"net/http"
"net/http/httptest"
"testing"
"time"
)
func TestGo17Context(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
io.WriteString(w, "ok")
}))
defer ts.Close()
ctx := context.Background()
resp, err := Get(ctx, http.DefaultClient, ts.URL)
if resp == nil || err != nil {
t.Fatalf("error received from client: %v %v", err, resp)
}
resp.Body.Close()
}
const (
requestDuration = 100 * time.Millisecond
requestBody = "ok"
)
func okHandler(w http.ResponseWriter, r *http.Request) {
time.Sleep(requestDuration)
io.WriteString(w, requestBody)
}
func TestNoTimeout(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(okHandler))
defer ts.Close()
ctx := context.Background()
res, err := Get(ctx, nil, ts.URL)
if err != nil {
t.Fatal(err)
}
defer res.Body.Close()
slurp, err := ioutil.ReadAll(res.Body)
if err != nil {
t.Fatal(err)
}
if string(slurp) != requestBody {
t.Errorf("body = %q; want %q", slurp, requestBody)
}
}
func TestCancelBeforeHeaders(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
blockServer := make(chan struct{})
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
cancel()
<-blockServer
io.WriteString(w, requestBody)
}))
defer ts.Close()
defer close(blockServer)
res, err := Get(ctx, nil, ts.URL)
if err == nil {
res.Body.Close()
t.Fatal("Get returned unexpected nil error")
}
if err != context.Canceled {
t.Errorf("err = %v; want %v", err, context.Canceled)
}
}
func TestCancelAfterHangingRequest(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
w.(http.Flusher).Flush()
<-w.(http.CloseNotifier).CloseNotify()
}))
defer ts.Close()
ctx, cancel := context.WithCancel(context.Background())
resp, err := Get(ctx, nil, ts.URL)
if err != nil {
t.Fatalf("unexpected error in Get: %v", err)
}
// Cancel befer reading the body.
// Reading Request.Body should fail, since the request was
// canceled before anything was written.
cancel()
done := make(chan struct{})
go func() {
b, err := ioutil.ReadAll(resp.Body)
if len(b) != 0 || err == nil {
t.Errorf(`Read got (%q, %v); want ("", error)`, b, err)
}
close(done)
}()
select {
case <-time.After(1 * time.Second):
t.Errorf("Test timed out")
case <-done:
}
}

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@ -1,31 +0,0 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package context_test
import (
"fmt"
"time"
"golang.org/x/net/context"
)
// This example passes a context with a timeout to tell a blocking function that
// it should abandon its work after the timeout elapses.
func ExampleWithTimeout() {
// Pass a context with a timeout to tell a blocking function that it
// should abandon its work after the timeout elapses.
ctx, cancel := context.WithTimeout(context.Background(), 50*time.Millisecond)
defer cancel()
select {
case <-time.After(1 * time.Second):
fmt.Println("overslept")
case <-ctx.Done():
fmt.Println(ctx.Err()) // prints "context deadline exceeded"
}
// Output:
// context deadline exceeded
}

210
vendor/golang.org/x/net/dict/dict.go generated vendored
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@ -1,210 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package dict implements the Dictionary Server Protocol
// as defined in RFC 2229.
package dict // import "golang.org/x/net/dict"
import (
"net/textproto"
"strconv"
"strings"
)
// A Client represents a client connection to a dictionary server.
type Client struct {
text *textproto.Conn
}
// Dial returns a new client connected to a dictionary server at
// addr on the given network.
func Dial(network, addr string) (*Client, error) {
text, err := textproto.Dial(network, addr)
if err != nil {
return nil, err
}
_, _, err = text.ReadCodeLine(220)
if err != nil {
text.Close()
return nil, err
}
return &Client{text: text}, nil
}
// Close closes the connection to the dictionary server.
func (c *Client) Close() error {
return c.text.Close()
}
// A Dict represents a dictionary available on the server.
type Dict struct {
Name string // short name of dictionary
Desc string // long description
}
// Dicts returns a list of the dictionaries available on the server.
func (c *Client) Dicts() ([]Dict, error) {
id, err := c.text.Cmd("SHOW DB")
if err != nil {
return nil, err
}
c.text.StartResponse(id)
defer c.text.EndResponse(id)
_, _, err = c.text.ReadCodeLine(110)
if err != nil {
return nil, err
}
lines, err := c.text.ReadDotLines()
if err != nil {
return nil, err
}
_, _, err = c.text.ReadCodeLine(250)
dicts := make([]Dict, len(lines))
for i := range dicts {
d := &dicts[i]
a, _ := fields(lines[i])
if len(a) < 2 {
return nil, textproto.ProtocolError("invalid dictionary: " + lines[i])
}
d.Name = a[0]
d.Desc = a[1]
}
return dicts, err
}
// A Defn represents a definition.
type Defn struct {
Dict Dict // Dict where definition was found
Word string // Word being defined
Text []byte // Definition text, typically multiple lines
}
// Define requests the definition of the given word.
// The argument dict names the dictionary to use,
// the Name field of a Dict returned by Dicts.
//
// The special dictionary name "*" means to look in all the
// server's dictionaries.
// The special dictionary name "!" means to look in all the
// server's dictionaries in turn, stopping after finding the word
// in one of them.
func (c *Client) Define(dict, word string) ([]*Defn, error) {
id, err := c.text.Cmd("DEFINE %s %q", dict, word)
if err != nil {
return nil, err
}
c.text.StartResponse(id)
defer c.text.EndResponse(id)
_, line, err := c.text.ReadCodeLine(150)
if err != nil {
return nil, err
}
a, _ := fields(line)
if len(a) < 1 {
return nil, textproto.ProtocolError("malformed response: " + line)
}
n, err := strconv.Atoi(a[0])
if err != nil {
return nil, textproto.ProtocolError("invalid definition count: " + a[0])
}
def := make([]*Defn, n)
for i := 0; i < n; i++ {
_, line, err = c.text.ReadCodeLine(151)
if err != nil {
return nil, err
}
a, _ := fields(line)
if len(a) < 3 {
// skip it, to keep protocol in sync
i--
n--
def = def[0:n]
continue
}
d := &Defn{Word: a[0], Dict: Dict{a[1], a[2]}}
d.Text, err = c.text.ReadDotBytes()
if err != nil {
return nil, err
}
def[i] = d
}
_, _, err = c.text.ReadCodeLine(250)
return def, err
}
// Fields returns the fields in s.
// Fields are space separated unquoted words
// or quoted with single or double quote.
func fields(s string) ([]string, error) {
var v []string
i := 0
for {
for i < len(s) && (s[i] == ' ' || s[i] == '\t') {
i++
}
if i >= len(s) {
break
}
if s[i] == '"' || s[i] == '\'' {
q := s[i]
// quoted string
var j int
for j = i + 1; ; j++ {
if j >= len(s) {
return nil, textproto.ProtocolError("malformed quoted string")
}
if s[j] == '\\' {
j++
continue
}
if s[j] == q {
j++
break
}
}
v = append(v, unquote(s[i+1:j-1]))
i = j
} else {
// atom
var j int
for j = i; j < len(s); j++ {
if s[j] == ' ' || s[j] == '\t' || s[j] == '\\' || s[j] == '"' || s[j] == '\'' {
break
}
}
v = append(v, s[i:j])
i = j
}
if i < len(s) {
c := s[i]
if c != ' ' && c != '\t' {
return nil, textproto.ProtocolError("quotes not on word boundaries")
}
}
}
return v, nil
}
func unquote(s string) string {
if strings.Index(s, "\\") < 0 {
return s
}
b := []byte(s)
w := 0
for r := 0; r < len(b); r++ {
c := b[r]
if c == '\\' {
r++
c = b[r]
}
b[w] = c
w++
}
return string(b[0:w])
}

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@ -1,132 +0,0 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package dnsmessage_test
import (
"fmt"
"net"
"strings"
"golang.org/x/net/dns/dnsmessage"
)
func mustNewName(name string) dnsmessage.Name {
n, err := dnsmessage.NewName(name)
if err != nil {
panic(err)
}
return n
}
func ExampleParser() {
msg := dnsmessage.Message{
Header: dnsmessage.Header{Response: true, Authoritative: true},
Questions: []dnsmessage.Question{
{
Name: mustNewName("foo.bar.example.com."),
Type: dnsmessage.TypeA,
Class: dnsmessage.ClassINET,
},
{
Name: mustNewName("bar.example.com."),
Type: dnsmessage.TypeA,
Class: dnsmessage.ClassINET,
},
},
Answers: []dnsmessage.Resource{
{
Header: dnsmessage.ResourceHeader{
Name: mustNewName("foo.bar.example.com."),
Type: dnsmessage.TypeA,
Class: dnsmessage.ClassINET,
},
Body: &dnsmessage.AResource{A: [4]byte{127, 0, 0, 1}},
},
{
Header: dnsmessage.ResourceHeader{
Name: mustNewName("bar.example.com."),
Type: dnsmessage.TypeA,
Class: dnsmessage.ClassINET,
},
Body: &dnsmessage.AResource{A: [4]byte{127, 0, 0, 2}},
},
},
}
buf, err := msg.Pack()
if err != nil {
panic(err)
}
wantName := "bar.example.com."
var p dnsmessage.Parser
if _, err := p.Start(buf); err != nil {
panic(err)
}
for {
q, err := p.Question()
if err == dnsmessage.ErrSectionDone {
break
}
if err != nil {
panic(err)
}
if q.Name.String() != wantName {
continue
}
fmt.Println("Found question for name", wantName)
if err := p.SkipAllQuestions(); err != nil {
panic(err)
}
break
}
var gotIPs []net.IP
for {
h, err := p.AnswerHeader()
if err == dnsmessage.ErrSectionDone {
break
}
if err != nil {
panic(err)
}
if (h.Type != dnsmessage.TypeA && h.Type != dnsmessage.TypeAAAA) || h.Class != dnsmessage.ClassINET {
continue
}
if !strings.EqualFold(h.Name.String(), wantName) {
if err := p.SkipAnswer(); err != nil {
panic(err)
}
continue
}
switch h.Type {
case dnsmessage.TypeA:
r, err := p.AResource()
if err != nil {
panic(err)
}
gotIPs = append(gotIPs, r.A[:])
case dnsmessage.TypeAAAA:
r, err := p.AAAAResource()
if err != nil {
panic(err)
}
gotIPs = append(gotIPs, r.AAAA[:])
}
}
fmt.Printf("Found A/AAAA records for name %s: %v\n", wantName, gotIPs)
// Output:
// Found question for name bar.example.com.
// Found A/AAAA records for name bar.example.com.: [127.0.0.2]
}

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@ -1,78 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package atom provides integer codes (also known as atoms) for a fixed set of
// frequently occurring HTML strings: tag names and attribute keys such as "p"
// and "id".
//
// Sharing an atom's name between all elements with the same tag can result in
// fewer string allocations when tokenizing and parsing HTML. Integer
// comparisons are also generally faster than string comparisons.
//
// The value of an atom's particular code is not guaranteed to stay the same
// between versions of this package. Neither is any ordering guaranteed:
// whether atom.H1 < atom.H2 may also change. The codes are not guaranteed to
// be dense. The only guarantees are that e.g. looking up "div" will yield
// atom.Div, calling atom.Div.String will return "div", and atom.Div != 0.
package atom // import "golang.org/x/net/html/atom"
// Atom is an integer code for a string. The zero value maps to "".
type Atom uint32
// String returns the atom's name.
func (a Atom) String() string {
start := uint32(a >> 8)
n := uint32(a & 0xff)
if start+n > uint32(len(atomText)) {
return ""
}
return atomText[start : start+n]
}
func (a Atom) string() string {
return atomText[a>>8 : a>>8+a&0xff]
}
// fnv computes the FNV hash with an arbitrary starting value h.
func fnv(h uint32, s []byte) uint32 {
for i := range s {
h ^= uint32(s[i])
h *= 16777619
}
return h
}
func match(s string, t []byte) bool {
for i, c := range t {
if s[i] != c {
return false
}
}
return true
}
// Lookup returns the atom whose name is s. It returns zero if there is no
// such atom. The lookup is case sensitive.
func Lookup(s []byte) Atom {
if len(s) == 0 || len(s) > maxAtomLen {
return 0
}
h := fnv(hash0, s)
if a := table[h&uint32(len(table)-1)]; int(a&0xff) == len(s) && match(a.string(), s) {
return a
}
if a := table[(h>>16)&uint32(len(table)-1)]; int(a&0xff) == len(s) && match(a.string(), s) {
return a
}
return 0
}
// String returns a string whose contents are equal to s. In that sense, it is
// equivalent to string(s) but may be more efficient.
func String(s []byte) string {
if a := Lookup(s); a != 0 {
return a.String()
}
return string(s)
}

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@ -1,109 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package atom
import (
"sort"
"testing"
)
func TestKnown(t *testing.T) {
for _, s := range testAtomList {
if atom := Lookup([]byte(s)); atom.String() != s {
t.Errorf("Lookup(%q) = %#x (%q)", s, uint32(atom), atom.String())
}
}
}
func TestHits(t *testing.T) {
for _, a := range table {
if a == 0 {
continue
}
got := Lookup([]byte(a.String()))
if got != a {
t.Errorf("Lookup(%q) = %#x, want %#x", a.String(), uint32(got), uint32(a))
}
}
}
func TestMisses(t *testing.T) {
testCases := []string{
"",
"\x00",
"\xff",
"A",
"DIV",
"Div",
"dIV",
"aa",
"a\x00",
"ab",
"abb",
"abbr0",
"abbr ",
" abbr",
" a",
"acceptcharset",
"acceptCharset",
"accept_charset",
"h0",
"h1h2",
"h7",
"onClick",
"λ",
// The following string has the same hash (0xa1d7fab7) as "onmouseover".
"\x00\x00\x00\x00\x00\x50\x18\xae\x38\xd0\xb7",
}
for _, tc := range testCases {
got := Lookup([]byte(tc))
if got != 0 {
t.Errorf("Lookup(%q): got %d, want 0", tc, got)
}
}
}
func TestForeignObject(t *testing.T) {
const (
afo = Foreignobject
afO = ForeignObject
sfo = "foreignobject"
sfO = "foreignObject"
)
if got := Lookup([]byte(sfo)); got != afo {
t.Errorf("Lookup(%q): got %#v, want %#v", sfo, got, afo)
}
if got := Lookup([]byte(sfO)); got != afO {
t.Errorf("Lookup(%q): got %#v, want %#v", sfO, got, afO)
}
if got := afo.String(); got != sfo {
t.Errorf("Atom(%#v).String(): got %q, want %q", afo, got, sfo)
}
if got := afO.String(); got != sfO {
t.Errorf("Atom(%#v).String(): got %q, want %q", afO, got, sfO)
}
}
func BenchmarkLookup(b *testing.B) {
sortedTable := make([]string, 0, len(table))
for _, a := range table {
if a != 0 {
sortedTable = append(sortedTable, a.String())
}
}
sort.Strings(sortedTable)
x := make([][]byte, 1000)
for i := range x {
x[i] = []byte(sortedTable[i%len(sortedTable)])
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
for _, s := range x {
Lookup(s)
}
}
}

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@ -1,712 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
//go:generate go run gen.go
//go:generate go run gen.go -test
package main
import (
"bytes"
"flag"
"fmt"
"go/format"
"io/ioutil"
"math/rand"
"os"
"sort"
"strings"
)
// identifier converts s to a Go exported identifier.
// It converts "div" to "Div" and "accept-charset" to "AcceptCharset".
func identifier(s string) string {
b := make([]byte, 0, len(s))
cap := true
for _, c := range s {
if c == '-' {
cap = true
continue
}
if cap && 'a' <= c && c <= 'z' {
c -= 'a' - 'A'
}
cap = false
b = append(b, byte(c))
}
return string(b)
}
var test = flag.Bool("test", false, "generate table_test.go")
func genFile(name string, buf *bytes.Buffer) {
b, err := format.Source(buf.Bytes())
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := ioutil.WriteFile(name, b, 0644); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func main() {
flag.Parse()
var all []string
all = append(all, elements...)
all = append(all, attributes...)
all = append(all, eventHandlers...)
all = append(all, extra...)
sort.Strings(all)
// uniq - lists have dups
w := 0
for _, s := range all {
if w == 0 || all[w-1] != s {
all[w] = s
w++
}
}
all = all[:w]
if *test {
var buf bytes.Buffer
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go -test\n")
fmt.Fprintln(&buf, "package atom\n")
fmt.Fprintln(&buf, "var testAtomList = []string{")
for _, s := range all {
fmt.Fprintf(&buf, "\t%q,\n", s)
}
fmt.Fprintln(&buf, "}")
genFile("table_test.go", &buf)
return
}
// Find hash that minimizes table size.
var best *table
for i := 0; i < 1000000; i++ {
if best != nil && 1<<(best.k-1) < len(all) {
break
}
h := rand.Uint32()
for k := uint(0); k <= 16; k++ {
if best != nil && k >= best.k {
break
}
var t table
if t.init(h, k, all) {
best = &t
break
}
}
}
if best == nil {
fmt.Fprintf(os.Stderr, "failed to construct string table\n")
os.Exit(1)
}
// Lay out strings, using overlaps when possible.
layout := append([]string{}, all...)
// Remove strings that are substrings of other strings
for changed := true; changed; {
changed = false
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i != j && t != "" && strings.Contains(s, t) {
changed = true
layout[j] = ""
}
}
}
}
// Join strings where one suffix matches another prefix.
for {
// Find best i, j, k such that layout[i][len-k:] == layout[j][:k],
// maximizing overlap length k.
besti := -1
bestj := -1
bestk := 0
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i == j {
continue
}
for k := bestk + 1; k <= len(s) && k <= len(t); k++ {
if s[len(s)-k:] == t[:k] {
besti = i
bestj = j
bestk = k
}
}
}
}
if bestk > 0 {
layout[besti] += layout[bestj][bestk:]
layout[bestj] = ""
continue
}
break
}
text := strings.Join(layout, "")
atom := map[string]uint32{}
for _, s := range all {
off := strings.Index(text, s)
if off < 0 {
panic("lost string " + s)
}
atom[s] = uint32(off<<8 | len(s))
}
var buf bytes.Buffer
// Generate the Go code.
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go\n")
fmt.Fprintln(&buf, "package atom\n\nconst (")
// compute max len
maxLen := 0
for _, s := range all {
if maxLen < len(s) {
maxLen = len(s)
}
fmt.Fprintf(&buf, "\t%s Atom = %#x\n", identifier(s), atom[s])
}
fmt.Fprintln(&buf, ")\n")
fmt.Fprintf(&buf, "const hash0 = %#x\n\n", best.h0)
fmt.Fprintf(&buf, "const maxAtomLen = %d\n\n", maxLen)
fmt.Fprintf(&buf, "var table = [1<<%d]Atom{\n", best.k)
for i, s := range best.tab {
if s == "" {
continue
}
fmt.Fprintf(&buf, "\t%#x: %#x, // %s\n", i, atom[s], s)
}
fmt.Fprintf(&buf, "}\n")
datasize := (1 << best.k) * 4
fmt.Fprintln(&buf, "const atomText =")
textsize := len(text)
for len(text) > 60 {
fmt.Fprintf(&buf, "\t%q +\n", text[:60])
text = text[60:]
}
fmt.Fprintf(&buf, "\t%q\n\n", text)
genFile("table.go", &buf)
fmt.Fprintf(os.Stdout, "%d atoms; %d string bytes + %d tables = %d total data\n", len(all), textsize, datasize, textsize+datasize)
}
type byLen []string
func (x byLen) Less(i, j int) bool { return len(x[i]) > len(x[j]) }
func (x byLen) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
func (x byLen) Len() int { return len(x) }
// fnv computes the FNV hash with an arbitrary starting value h.
func fnv(h uint32, s string) uint32 {
for i := 0; i < len(s); i++ {
h ^= uint32(s[i])
h *= 16777619
}
return h
}
// A table represents an attempt at constructing the lookup table.
// The lookup table uses cuckoo hashing, meaning that each string
// can be found in one of two positions.
type table struct {
h0 uint32
k uint
mask uint32
tab []string
}
// hash returns the two hashes for s.
func (t *table) hash(s string) (h1, h2 uint32) {
h := fnv(t.h0, s)
h1 = h & t.mask
h2 = (h >> 16) & t.mask
return
}
// init initializes the table with the given parameters.
// h0 is the initial hash value,
// k is the number of bits of hash value to use, and
// x is the list of strings to store in the table.
// init returns false if the table cannot be constructed.
func (t *table) init(h0 uint32, k uint, x []string) bool {
t.h0 = h0
t.k = k
t.tab = make([]string, 1<<k)
t.mask = 1<<k - 1
for _, s := range x {
if !t.insert(s) {
return false
}
}
return true
}
// insert inserts s in the table.
func (t *table) insert(s string) bool {
h1, h2 := t.hash(s)
if t.tab[h1] == "" {
t.tab[h1] = s
return true
}
if t.tab[h2] == "" {
t.tab[h2] = s
return true
}
if t.push(h1, 0) {
t.tab[h1] = s
return true
}
if t.push(h2, 0) {
t.tab[h2] = s
return true
}
return false
}
// push attempts to push aside the entry in slot i.
func (t *table) push(i uint32, depth int) bool {
if depth > len(t.tab) {
return false
}
s := t.tab[i]
h1, h2 := t.hash(s)
j := h1 + h2 - i
if t.tab[j] != "" && !t.push(j, depth+1) {
return false
}
t.tab[j] = s
return true
}
// The lists of element names and attribute keys were taken from
// https://html.spec.whatwg.org/multipage/indices.html#index
// as of the "HTML Living Standard - Last Updated 16 April 2018" version.
// "command", "keygen" and "menuitem" have been removed from the spec,
// but are kept here for backwards compatibility.
var elements = []string{
"a",
"abbr",
"address",
"area",
"article",
"aside",
"audio",
"b",
"base",
"bdi",
"bdo",
"blockquote",
"body",
"br",
"button",
"canvas",
"caption",
"cite",
"code",
"col",
"colgroup",
"command",
"data",
"datalist",
"dd",
"del",
"details",
"dfn",
"dialog",
"div",
"dl",
"dt",
"em",
"embed",
"fieldset",
"figcaption",
"figure",
"footer",
"form",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"head",
"header",
"hgroup",
"hr",
"html",
"i",
"iframe",
"img",
"input",
"ins",
"kbd",
"keygen",
"label",
"legend",
"li",
"link",
"main",
"map",
"mark",
"menu",
"menuitem",
"meta",
"meter",
"nav",
"noscript",
"object",
"ol",
"optgroup",
"option",
"output",
"p",
"param",
"picture",
"pre",
"progress",
"q",
"rp",
"rt",
"ruby",
"s",
"samp",
"script",
"section",
"select",
"slot",
"small",
"source",
"span",
"strong",
"style",
"sub",
"summary",
"sup",
"table",
"tbody",
"td",
"template",
"textarea",
"tfoot",
"th",
"thead",
"time",
"title",
"tr",
"track",
"u",
"ul",
"var",
"video",
"wbr",
}
// https://html.spec.whatwg.org/multipage/indices.html#attributes-3
//
// "challenge", "command", "contextmenu", "dropzone", "icon", "keytype", "mediagroup",
// "radiogroup", "spellcheck", "scoped", "seamless", "sortable" and "sorted" have been removed from the spec,
// but are kept here for backwards compatibility.
var attributes = []string{
"abbr",
"accept",
"accept-charset",
"accesskey",
"action",
"allowfullscreen",
"allowpaymentrequest",
"allowusermedia",
"alt",
"as",
"async",
"autocomplete",
"autofocus",
"autoplay",
"challenge",
"charset",
"checked",
"cite",
"class",
"color",
"cols",
"colspan",
"command",
"content",
"contenteditable",
"contextmenu",
"controls",
"coords",
"crossorigin",
"data",
"datetime",
"default",
"defer",
"dir",
"dirname",
"disabled",
"download",
"draggable",
"dropzone",
"enctype",
"for",
"form",
"formaction",
"formenctype",
"formmethod",
"formnovalidate",
"formtarget",
"headers",
"height",
"hidden",
"high",
"href",
"hreflang",
"http-equiv",
"icon",
"id",
"inputmode",
"integrity",
"is",
"ismap",
"itemid",
"itemprop",
"itemref",
"itemscope",
"itemtype",
"keytype",
"kind",
"label",
"lang",
"list",
"loop",
"low",
"manifest",
"max",
"maxlength",
"media",
"mediagroup",
"method",
"min",
"minlength",
"multiple",
"muted",
"name",
"nomodule",
"nonce",
"novalidate",
"open",
"optimum",
"pattern",
"ping",
"placeholder",
"playsinline",
"poster",
"preload",
"radiogroup",
"readonly",
"referrerpolicy",
"rel",
"required",
"reversed",
"rows",
"rowspan",
"sandbox",
"spellcheck",
"scope",
"scoped",
"seamless",
"selected",
"shape",
"size",
"sizes",
"sortable",
"sorted",
"slot",
"span",
"spellcheck",
"src",
"srcdoc",
"srclang",
"srcset",
"start",
"step",
"style",
"tabindex",
"target",
"title",
"translate",
"type",
"typemustmatch",
"updateviacache",
"usemap",
"value",
"width",
"workertype",
"wrap",
}
// "onautocomplete", "onautocompleteerror", "onmousewheel",
// "onshow" and "onsort" have been removed from the spec,
// but are kept here for backwards compatibility.
var eventHandlers = []string{
"onabort",
"onautocomplete",
"onautocompleteerror",
"onauxclick",
"onafterprint",
"onbeforeprint",
"onbeforeunload",
"onblur",
"oncancel",
"oncanplay",
"oncanplaythrough",
"onchange",
"onclick",
"onclose",
"oncontextmenu",
"oncopy",
"oncuechange",
"oncut",
"ondblclick",
"ondrag",
"ondragend",
"ondragenter",
"ondragexit",
"ondragleave",
"ondragover",
"ondragstart",
"ondrop",
"ondurationchange",
"onemptied",
"onended",
"onerror",
"onfocus",
"onhashchange",
"oninput",
"oninvalid",
"onkeydown",
"onkeypress",
"onkeyup",
"onlanguagechange",
"onload",
"onloadeddata",
"onloadedmetadata",
"onloadend",
"onloadstart",
"onmessage",
"onmessageerror",
"onmousedown",
"onmouseenter",
"onmouseleave",
"onmousemove",
"onmouseout",
"onmouseover",
"onmouseup",
"onmousewheel",
"onwheel",
"onoffline",
"ononline",
"onpagehide",
"onpageshow",
"onpaste",
"onpause",
"onplay",
"onplaying",
"onpopstate",
"onprogress",
"onratechange",
"onreset",
"onresize",
"onrejectionhandled",
"onscroll",
"onsecuritypolicyviolation",
"onseeked",
"onseeking",
"onselect",
"onshow",
"onsort",
"onstalled",
"onstorage",
"onsubmit",
"onsuspend",
"ontimeupdate",
"ontoggle",
"onunhandledrejection",
"onunload",
"onvolumechange",
"onwaiting",
}
// extra are ad-hoc values not covered by any of the lists above.
var extra = []string{
"acronym",
"align",
"annotation",
"annotation-xml",
"applet",
"basefont",
"bgsound",
"big",
"blink",
"center",
"color",
"desc",
"face",
"font",
"foreignObject", // HTML is case-insensitive, but SVG-embedded-in-HTML is case-sensitive.
"foreignobject",
"frame",
"frameset",
"image",
"isindex",
"listing",
"malignmark",
"marquee",
"math",
"mglyph",
"mi",
"mn",
"mo",
"ms",
"mtext",
"nobr",
"noembed",
"noframes",
"plaintext",
"prompt",
"public",
"rb",
"rtc",
"spacer",
"strike",
"svg",
"system",
"tt",
"xmp",
}

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@ -1,783 +0,0 @@
// Code generated by go generate gen.go; DO NOT EDIT.
//go:generate go run gen.go
package atom
const (
A Atom = 0x1
Abbr Atom = 0x4
Accept Atom = 0x1a06
AcceptCharset Atom = 0x1a0e
Accesskey Atom = 0x2c09
Acronym Atom = 0xaa07
Action Atom = 0x27206
Address Atom = 0x6f307
Align Atom = 0xb105
Allowfullscreen Atom = 0x2080f
Allowpaymentrequest Atom = 0xc113
Allowusermedia Atom = 0xdd0e
Alt Atom = 0xf303
Annotation Atom = 0x1c90a
AnnotationXml Atom = 0x1c90e
Applet Atom = 0x31906
Area Atom = 0x35604
Article Atom = 0x3fc07
As Atom = 0x3c02
Aside Atom = 0x10705
Async Atom = 0xff05
Audio Atom = 0x11505
Autocomplete Atom = 0x2780c
Autofocus Atom = 0x12109
Autoplay Atom = 0x13c08
B Atom = 0x101
Base Atom = 0x3b04
Basefont Atom = 0x3b08
Bdi Atom = 0xba03
Bdo Atom = 0x14b03
Bgsound Atom = 0x15e07
Big Atom = 0x17003
Blink Atom = 0x17305
Blockquote Atom = 0x1870a
Body Atom = 0x2804
Br Atom = 0x202
Button Atom = 0x19106
Canvas Atom = 0x10306
Caption Atom = 0x23107
Center Atom = 0x22006
Challenge Atom = 0x29b09
Charset Atom = 0x2107
Checked Atom = 0x47907
Cite Atom = 0x19c04
Class Atom = 0x56405
Code Atom = 0x5c504
Col Atom = 0x1ab03
Colgroup Atom = 0x1ab08
Color Atom = 0x1bf05
Cols Atom = 0x1c404
Colspan Atom = 0x1c407
Command Atom = 0x1d707
Content Atom = 0x58b07
Contenteditable Atom = 0x58b0f
Contextmenu Atom = 0x3800b
Controls Atom = 0x1de08
Coords Atom = 0x1ea06
Crossorigin Atom = 0x1fb0b
Data Atom = 0x4a504
Datalist Atom = 0x4a508
Datetime Atom = 0x2b808
Dd Atom = 0x2d702
Default Atom = 0x10a07
Defer Atom = 0x5c705
Del Atom = 0x45203
Desc Atom = 0x56104
Details Atom = 0x7207
Dfn Atom = 0x8703
Dialog Atom = 0xbb06
Dir Atom = 0x9303
Dirname Atom = 0x9307
Disabled Atom = 0x16408
Div Atom = 0x16b03
Dl Atom = 0x5e602
Download Atom = 0x46308
Draggable Atom = 0x17a09
Dropzone Atom = 0x40508
Dt Atom = 0x64b02
Em Atom = 0x6e02
Embed Atom = 0x6e05
Enctype Atom = 0x28d07
Face Atom = 0x21e04
Fieldset Atom = 0x22608
Figcaption Atom = 0x22e0a
Figure Atom = 0x24806
Font Atom = 0x3f04
Footer Atom = 0xf606
For Atom = 0x25403
ForeignObject Atom = 0x2540d
Foreignobject Atom = 0x2610d
Form Atom = 0x26e04
Formaction Atom = 0x26e0a
Formenctype Atom = 0x2890b
Formmethod Atom = 0x2a40a
Formnovalidate Atom = 0x2ae0e
Formtarget Atom = 0x2c00a
Frame Atom = 0x8b05
Frameset Atom = 0x8b08
H1 Atom = 0x15c02
H2 Atom = 0x2de02
H3 Atom = 0x30d02
H4 Atom = 0x34502
H5 Atom = 0x34f02
H6 Atom = 0x64d02
Head Atom = 0x33104
Header Atom = 0x33106
Headers Atom = 0x33107
Height Atom = 0x5206
Hgroup Atom = 0x2ca06
Hidden Atom = 0x2d506
High Atom = 0x2db04
Hr Atom = 0x15702
Href Atom = 0x2e004
Hreflang Atom = 0x2e008
Html Atom = 0x5604
HttpEquiv Atom = 0x2e80a
I Atom = 0x601
Icon Atom = 0x58a04
Id Atom = 0x10902
Iframe Atom = 0x2fc06
Image Atom = 0x30205
Img Atom = 0x30703
Input Atom = 0x44b05
Inputmode Atom = 0x44b09
Ins Atom = 0x20403
Integrity Atom = 0x23f09
Is Atom = 0x16502
Isindex Atom = 0x30f07
Ismap Atom = 0x31605
Itemid Atom = 0x38b06
Itemprop Atom = 0x19d08
Itemref Atom = 0x3cd07
Itemscope Atom = 0x67109
Itemtype Atom = 0x31f08
Kbd Atom = 0xb903
Keygen Atom = 0x3206
Keytype Atom = 0xd607
Kind Atom = 0x17704
Label Atom = 0x5905
Lang Atom = 0x2e404
Legend Atom = 0x18106
Li Atom = 0xb202
Link Atom = 0x17404
List Atom = 0x4a904
Listing Atom = 0x4a907
Loop Atom = 0x5d04
Low Atom = 0xc303
Main Atom = 0x1004
Malignmark Atom = 0xb00a
Manifest Atom = 0x6d708
Map Atom = 0x31803
Mark Atom = 0xb604
Marquee Atom = 0x32707
Math Atom = 0x32e04
Max Atom = 0x33d03
Maxlength Atom = 0x33d09
Media Atom = 0xe605
Mediagroup Atom = 0xe60a
Menu Atom = 0x38704
Menuitem Atom = 0x38708
Meta Atom = 0x4b804
Meter Atom = 0x9805
Method Atom = 0x2a806
Mglyph Atom = 0x30806
Mi Atom = 0x34702
Min Atom = 0x34703
Minlength Atom = 0x34709
Mn Atom = 0x2b102
Mo Atom = 0xa402
Ms Atom = 0x67402
Mtext Atom = 0x35105
Multiple Atom = 0x35f08
Muted Atom = 0x36705
Name Atom = 0x9604
Nav Atom = 0x1303
Nobr Atom = 0x3704
Noembed Atom = 0x6c07
Noframes Atom = 0x8908
Nomodule Atom = 0xa208
Nonce Atom = 0x1a605
Noscript Atom = 0x21608
Novalidate Atom = 0x2b20a
Object Atom = 0x26806
Ol Atom = 0x13702
Onabort Atom = 0x19507
Onafterprint Atom = 0x2360c
Onautocomplete Atom = 0x2760e
Onautocompleteerror Atom = 0x27613
Onauxclick Atom = 0x61f0a
Onbeforeprint Atom = 0x69e0d
Onbeforeunload Atom = 0x6e70e
Onblur Atom = 0x56d06
Oncancel Atom = 0x11908
Oncanplay Atom = 0x14d09
Oncanplaythrough Atom = 0x14d10
Onchange Atom = 0x41b08
Onclick Atom = 0x2f507
Onclose Atom = 0x36c07
Oncontextmenu Atom = 0x37e0d
Oncopy Atom = 0x39106
Oncuechange Atom = 0x3970b
Oncut Atom = 0x3a205
Ondblclick Atom = 0x3a70a
Ondrag Atom = 0x3b106
Ondragend Atom = 0x3b109
Ondragenter Atom = 0x3ba0b
Ondragexit Atom = 0x3c50a
Ondragleave Atom = 0x3df0b
Ondragover Atom = 0x3ea0a
Ondragstart Atom = 0x3f40b
Ondrop Atom = 0x40306
Ondurationchange Atom = 0x41310
Onemptied Atom = 0x40a09
Onended Atom = 0x42307
Onerror Atom = 0x42a07
Onfocus Atom = 0x43107
Onhashchange Atom = 0x43d0c
Oninput Atom = 0x44907
Oninvalid Atom = 0x45509
Onkeydown Atom = 0x45e09
Onkeypress Atom = 0x46b0a
Onkeyup Atom = 0x48007
Onlanguagechange Atom = 0x48d10
Onload Atom = 0x49d06
Onloadeddata Atom = 0x49d0c
Onloadedmetadata Atom = 0x4b010
Onloadend Atom = 0x4c609
Onloadstart Atom = 0x4cf0b
Onmessage Atom = 0x4da09
Onmessageerror Atom = 0x4da0e
Onmousedown Atom = 0x4e80b
Onmouseenter Atom = 0x4f30c
Onmouseleave Atom = 0x4ff0c
Onmousemove Atom = 0x50b0b
Onmouseout Atom = 0x5160a
Onmouseover Atom = 0x5230b
Onmouseup Atom = 0x52e09
Onmousewheel Atom = 0x53c0c
Onoffline Atom = 0x54809
Ononline Atom = 0x55108
Onpagehide Atom = 0x5590a
Onpageshow Atom = 0x5730a
Onpaste Atom = 0x57f07
Onpause Atom = 0x59a07
Onplay Atom = 0x5a406
Onplaying Atom = 0x5a409
Onpopstate Atom = 0x5ad0a
Onprogress Atom = 0x5b70a
Onratechange Atom = 0x5cc0c
Onrejectionhandled Atom = 0x5d812
Onreset Atom = 0x5ea07
Onresize Atom = 0x5f108
Onscroll Atom = 0x60008
Onsecuritypolicyviolation Atom = 0x60819
Onseeked Atom = 0x62908
Onseeking Atom = 0x63109
Onselect Atom = 0x63a08
Onshow Atom = 0x64406
Onsort Atom = 0x64f06
Onstalled Atom = 0x65909
Onstorage Atom = 0x66209
Onsubmit Atom = 0x66b08
Onsuspend Atom = 0x67b09
Ontimeupdate Atom = 0x400c
Ontoggle Atom = 0x68408
Onunhandledrejection Atom = 0x68c14
Onunload Atom = 0x6ab08
Onvolumechange Atom = 0x6b30e
Onwaiting Atom = 0x6c109
Onwheel Atom = 0x6ca07
Open Atom = 0x1a304
Optgroup Atom = 0x5f08
Optimum Atom = 0x6d107
Option Atom = 0x6e306
Output Atom = 0x51d06
P Atom = 0xc01
Param Atom = 0xc05
Pattern Atom = 0x6607
Picture Atom = 0x7b07
Ping Atom = 0xef04
Placeholder Atom = 0x1310b
Plaintext Atom = 0x1b209
Playsinline Atom = 0x1400b
Poster Atom = 0x2cf06
Pre Atom = 0x47003
Preload Atom = 0x48607
Progress Atom = 0x5b908
Prompt Atom = 0x53606
Public Atom = 0x58606
Q Atom = 0xcf01
Radiogroup Atom = 0x30a
Rb Atom = 0x3a02
Readonly Atom = 0x35708
Referrerpolicy Atom = 0x3d10e
Rel Atom = 0x48703
Required Atom = 0x24c08
Reversed Atom = 0x8008
Rows Atom = 0x9c04
Rowspan Atom = 0x9c07
Rp Atom = 0x23c02
Rt Atom = 0x19a02
Rtc Atom = 0x19a03
Ruby Atom = 0xfb04
S Atom = 0x2501
Samp Atom = 0x7804
Sandbox Atom = 0x12907
Scope Atom = 0x67505
Scoped Atom = 0x67506
Script Atom = 0x21806
Seamless Atom = 0x37108
Section Atom = 0x56807
Select Atom = 0x63c06
Selected Atom = 0x63c08
Shape Atom = 0x1e505
Size Atom = 0x5f504
Sizes Atom = 0x5f505
Slot Atom = 0x1ef04
Small Atom = 0x20605
Sortable Atom = 0x65108
Sorted Atom = 0x33706
Source Atom = 0x37806
Spacer Atom = 0x43706
Span Atom = 0x9f04
Spellcheck Atom = 0x4740a
Src Atom = 0x5c003
Srcdoc Atom = 0x5c006
Srclang Atom = 0x5f907
Srcset Atom = 0x6f906
Start Atom = 0x3fa05
Step Atom = 0x58304
Strike Atom = 0xd206
Strong Atom = 0x6dd06
Style Atom = 0x6ff05
Sub Atom = 0x66d03
Summary Atom = 0x70407
Sup Atom = 0x70b03
Svg Atom = 0x70e03
System Atom = 0x71106
Tabindex Atom = 0x4be08
Table Atom = 0x59505
Target Atom = 0x2c406
Tbody Atom = 0x2705
Td Atom = 0x9202
Template Atom = 0x71408
Textarea Atom = 0x35208
Tfoot Atom = 0xf505
Th Atom = 0x15602
Thead Atom = 0x33005
Time Atom = 0x4204
Title Atom = 0x11005
Tr Atom = 0xcc02
Track Atom = 0x1ba05
Translate Atom = 0x1f209
Tt Atom = 0x6802
Type Atom = 0xd904
Typemustmatch Atom = 0x2900d
U Atom = 0xb01
Ul Atom = 0xa702
Updateviacache Atom = 0x460e
Usemap Atom = 0x59e06
Value Atom = 0x1505
Var Atom = 0x16d03
Video Atom = 0x2f105
Wbr Atom = 0x57c03
Width Atom = 0x64905
Workertype Atom = 0x71c0a
Wrap Atom = 0x72604
Xmp Atom = 0x12f03
)
const hash0 = 0x81cdf10e
const maxAtomLen = 25
var table = [1 << 9]Atom{
0x1: 0xe60a, // mediagroup
0x2: 0x2e404, // lang
0x4: 0x2c09, // accesskey
0x5: 0x8b08, // frameset
0x7: 0x63a08, // onselect
0x8: 0x71106, // system
0xa: 0x64905, // width
0xc: 0x2890b, // formenctype
0xd: 0x13702, // ol
0xe: 0x3970b, // oncuechange
0x10: 0x14b03, // bdo
0x11: 0x11505, // audio
0x12: 0x17a09, // draggable
0x14: 0x2f105, // video
0x15: 0x2b102, // mn
0x16: 0x38704, // menu
0x17: 0x2cf06, // poster
0x19: 0xf606, // footer
0x1a: 0x2a806, // method
0x1b: 0x2b808, // datetime
0x1c: 0x19507, // onabort
0x1d: 0x460e, // updateviacache
0x1e: 0xff05, // async
0x1f: 0x49d06, // onload
0x21: 0x11908, // oncancel
0x22: 0x62908, // onseeked
0x23: 0x30205, // image
0x24: 0x5d812, // onrejectionhandled
0x26: 0x17404, // link
0x27: 0x51d06, // output
0x28: 0x33104, // head
0x29: 0x4ff0c, // onmouseleave
0x2a: 0x57f07, // onpaste
0x2b: 0x5a409, // onplaying
0x2c: 0x1c407, // colspan
0x2f: 0x1bf05, // color
0x30: 0x5f504, // size
0x31: 0x2e80a, // http-equiv
0x33: 0x601, // i
0x34: 0x5590a, // onpagehide
0x35: 0x68c14, // onunhandledrejection
0x37: 0x42a07, // onerror
0x3a: 0x3b08, // basefont
0x3f: 0x1303, // nav
0x40: 0x17704, // kind
0x41: 0x35708, // readonly
0x42: 0x30806, // mglyph
0x44: 0xb202, // li
0x46: 0x2d506, // hidden
0x47: 0x70e03, // svg
0x48: 0x58304, // step
0x49: 0x23f09, // integrity
0x4a: 0x58606, // public
0x4c: 0x1ab03, // col
0x4d: 0x1870a, // blockquote
0x4e: 0x34f02, // h5
0x50: 0x5b908, // progress
0x51: 0x5f505, // sizes
0x52: 0x34502, // h4
0x56: 0x33005, // thead
0x57: 0xd607, // keytype
0x58: 0x5b70a, // onprogress
0x59: 0x44b09, // inputmode
0x5a: 0x3b109, // ondragend
0x5d: 0x3a205, // oncut
0x5e: 0x43706, // spacer
0x5f: 0x1ab08, // colgroup
0x62: 0x16502, // is
0x65: 0x3c02, // as
0x66: 0x54809, // onoffline
0x67: 0x33706, // sorted
0x69: 0x48d10, // onlanguagechange
0x6c: 0x43d0c, // onhashchange
0x6d: 0x9604, // name
0x6e: 0xf505, // tfoot
0x6f: 0x56104, // desc
0x70: 0x33d03, // max
0x72: 0x1ea06, // coords
0x73: 0x30d02, // h3
0x74: 0x6e70e, // onbeforeunload
0x75: 0x9c04, // rows
0x76: 0x63c06, // select
0x77: 0x9805, // meter
0x78: 0x38b06, // itemid
0x79: 0x53c0c, // onmousewheel
0x7a: 0x5c006, // srcdoc
0x7d: 0x1ba05, // track
0x7f: 0x31f08, // itemtype
0x82: 0xa402, // mo
0x83: 0x41b08, // onchange
0x84: 0x33107, // headers
0x85: 0x5cc0c, // onratechange
0x86: 0x60819, // onsecuritypolicyviolation
0x88: 0x4a508, // datalist
0x89: 0x4e80b, // onmousedown
0x8a: 0x1ef04, // slot
0x8b: 0x4b010, // onloadedmetadata
0x8c: 0x1a06, // accept
0x8d: 0x26806, // object
0x91: 0x6b30e, // onvolumechange
0x92: 0x2107, // charset
0x93: 0x27613, // onautocompleteerror
0x94: 0xc113, // allowpaymentrequest
0x95: 0x2804, // body
0x96: 0x10a07, // default
0x97: 0x63c08, // selected
0x98: 0x21e04, // face
0x99: 0x1e505, // shape
0x9b: 0x68408, // ontoggle
0x9e: 0x64b02, // dt
0x9f: 0xb604, // mark
0xa1: 0xb01, // u
0xa4: 0x6ab08, // onunload
0xa5: 0x5d04, // loop
0xa6: 0x16408, // disabled
0xaa: 0x42307, // onended
0xab: 0xb00a, // malignmark
0xad: 0x67b09, // onsuspend
0xae: 0x35105, // mtext
0xaf: 0x64f06, // onsort
0xb0: 0x19d08, // itemprop
0xb3: 0x67109, // itemscope
0xb4: 0x17305, // blink
0xb6: 0x3b106, // ondrag
0xb7: 0xa702, // ul
0xb8: 0x26e04, // form
0xb9: 0x12907, // sandbox
0xba: 0x8b05, // frame
0xbb: 0x1505, // value
0xbc: 0x66209, // onstorage
0xbf: 0xaa07, // acronym
0xc0: 0x19a02, // rt
0xc2: 0x202, // br
0xc3: 0x22608, // fieldset
0xc4: 0x2900d, // typemustmatch
0xc5: 0xa208, // nomodule
0xc6: 0x6c07, // noembed
0xc7: 0x69e0d, // onbeforeprint
0xc8: 0x19106, // button
0xc9: 0x2f507, // onclick
0xca: 0x70407, // summary
0xcd: 0xfb04, // ruby
0xce: 0x56405, // class
0xcf: 0x3f40b, // ondragstart
0xd0: 0x23107, // caption
0xd4: 0xdd0e, // allowusermedia
0xd5: 0x4cf0b, // onloadstart
0xd9: 0x16b03, // div
0xda: 0x4a904, // list
0xdb: 0x32e04, // math
0xdc: 0x44b05, // input
0xdf: 0x3ea0a, // ondragover
0xe0: 0x2de02, // h2
0xe2: 0x1b209, // plaintext
0xe4: 0x4f30c, // onmouseenter
0xe7: 0x47907, // checked
0xe8: 0x47003, // pre
0xea: 0x35f08, // multiple
0xeb: 0xba03, // bdi
0xec: 0x33d09, // maxlength
0xed: 0xcf01, // q
0xee: 0x61f0a, // onauxclick
0xf0: 0x57c03, // wbr
0xf2: 0x3b04, // base
0xf3: 0x6e306, // option
0xf5: 0x41310, // ondurationchange
0xf7: 0x8908, // noframes
0xf9: 0x40508, // dropzone
0xfb: 0x67505, // scope
0xfc: 0x8008, // reversed
0xfd: 0x3ba0b, // ondragenter
0xfe: 0x3fa05, // start
0xff: 0x12f03, // xmp
0x100: 0x5f907, // srclang
0x101: 0x30703, // img
0x104: 0x101, // b
0x105: 0x25403, // for
0x106: 0x10705, // aside
0x107: 0x44907, // oninput
0x108: 0x35604, // area
0x109: 0x2a40a, // formmethod
0x10a: 0x72604, // wrap
0x10c: 0x23c02, // rp
0x10d: 0x46b0a, // onkeypress
0x10e: 0x6802, // tt
0x110: 0x34702, // mi
0x111: 0x36705, // muted
0x112: 0xf303, // alt
0x113: 0x5c504, // code
0x114: 0x6e02, // em
0x115: 0x3c50a, // ondragexit
0x117: 0x9f04, // span
0x119: 0x6d708, // manifest
0x11a: 0x38708, // menuitem
0x11b: 0x58b07, // content
0x11d: 0x6c109, // onwaiting
0x11f: 0x4c609, // onloadend
0x121: 0x37e0d, // oncontextmenu
0x123: 0x56d06, // onblur
0x124: 0x3fc07, // article
0x125: 0x9303, // dir
0x126: 0xef04, // ping
0x127: 0x24c08, // required
0x128: 0x45509, // oninvalid
0x129: 0xb105, // align
0x12b: 0x58a04, // icon
0x12c: 0x64d02, // h6
0x12d: 0x1c404, // cols
0x12e: 0x22e0a, // figcaption
0x12f: 0x45e09, // onkeydown
0x130: 0x66b08, // onsubmit
0x131: 0x14d09, // oncanplay
0x132: 0x70b03, // sup
0x133: 0xc01, // p
0x135: 0x40a09, // onemptied
0x136: 0x39106, // oncopy
0x137: 0x19c04, // cite
0x138: 0x3a70a, // ondblclick
0x13a: 0x50b0b, // onmousemove
0x13c: 0x66d03, // sub
0x13d: 0x48703, // rel
0x13e: 0x5f08, // optgroup
0x142: 0x9c07, // rowspan
0x143: 0x37806, // source
0x144: 0x21608, // noscript
0x145: 0x1a304, // open
0x146: 0x20403, // ins
0x147: 0x2540d, // foreignObject
0x148: 0x5ad0a, // onpopstate
0x14a: 0x28d07, // enctype
0x14b: 0x2760e, // onautocomplete
0x14c: 0x35208, // textarea
0x14e: 0x2780c, // autocomplete
0x14f: 0x15702, // hr
0x150: 0x1de08, // controls
0x151: 0x10902, // id
0x153: 0x2360c, // onafterprint
0x155: 0x2610d, // foreignobject
0x156: 0x32707, // marquee
0x157: 0x59a07, // onpause
0x158: 0x5e602, // dl
0x159: 0x5206, // height
0x15a: 0x34703, // min
0x15b: 0x9307, // dirname
0x15c: 0x1f209, // translate
0x15d: 0x5604, // html
0x15e: 0x34709, // minlength
0x15f: 0x48607, // preload
0x160: 0x71408, // template
0x161: 0x3df0b, // ondragleave
0x162: 0x3a02, // rb
0x164: 0x5c003, // src
0x165: 0x6dd06, // strong
0x167: 0x7804, // samp
0x168: 0x6f307, // address
0x169: 0x55108, // ononline
0x16b: 0x1310b, // placeholder
0x16c: 0x2c406, // target
0x16d: 0x20605, // small
0x16e: 0x6ca07, // onwheel
0x16f: 0x1c90a, // annotation
0x170: 0x4740a, // spellcheck
0x171: 0x7207, // details
0x172: 0x10306, // canvas
0x173: 0x12109, // autofocus
0x174: 0xc05, // param
0x176: 0x46308, // download
0x177: 0x45203, // del
0x178: 0x36c07, // onclose
0x179: 0xb903, // kbd
0x17a: 0x31906, // applet
0x17b: 0x2e004, // href
0x17c: 0x5f108, // onresize
0x17e: 0x49d0c, // onloadeddata
0x180: 0xcc02, // tr
0x181: 0x2c00a, // formtarget
0x182: 0x11005, // title
0x183: 0x6ff05, // style
0x184: 0xd206, // strike
0x185: 0x59e06, // usemap
0x186: 0x2fc06, // iframe
0x187: 0x1004, // main
0x189: 0x7b07, // picture
0x18c: 0x31605, // ismap
0x18e: 0x4a504, // data
0x18f: 0x5905, // label
0x191: 0x3d10e, // referrerpolicy
0x192: 0x15602, // th
0x194: 0x53606, // prompt
0x195: 0x56807, // section
0x197: 0x6d107, // optimum
0x198: 0x2db04, // high
0x199: 0x15c02, // h1
0x19a: 0x65909, // onstalled
0x19b: 0x16d03, // var
0x19c: 0x4204, // time
0x19e: 0x67402, // ms
0x19f: 0x33106, // header
0x1a0: 0x4da09, // onmessage
0x1a1: 0x1a605, // nonce
0x1a2: 0x26e0a, // formaction
0x1a3: 0x22006, // center
0x1a4: 0x3704, // nobr
0x1a5: 0x59505, // table
0x1a6: 0x4a907, // listing
0x1a7: 0x18106, // legend
0x1a9: 0x29b09, // challenge
0x1aa: 0x24806, // figure
0x1ab: 0xe605, // media
0x1ae: 0xd904, // type
0x1af: 0x3f04, // font
0x1b0: 0x4da0e, // onmessageerror
0x1b1: 0x37108, // seamless
0x1b2: 0x8703, // dfn
0x1b3: 0x5c705, // defer
0x1b4: 0xc303, // low
0x1b5: 0x19a03, // rtc
0x1b6: 0x5230b, // onmouseover
0x1b7: 0x2b20a, // novalidate
0x1b8: 0x71c0a, // workertype
0x1ba: 0x3cd07, // itemref
0x1bd: 0x1, // a
0x1be: 0x31803, // map
0x1bf: 0x400c, // ontimeupdate
0x1c0: 0x15e07, // bgsound
0x1c1: 0x3206, // keygen
0x1c2: 0x2705, // tbody
0x1c5: 0x64406, // onshow
0x1c7: 0x2501, // s
0x1c8: 0x6607, // pattern
0x1cc: 0x14d10, // oncanplaythrough
0x1ce: 0x2d702, // dd
0x1cf: 0x6f906, // srcset
0x1d0: 0x17003, // big
0x1d2: 0x65108, // sortable
0x1d3: 0x48007, // onkeyup
0x1d5: 0x5a406, // onplay
0x1d7: 0x4b804, // meta
0x1d8: 0x40306, // ondrop
0x1da: 0x60008, // onscroll
0x1db: 0x1fb0b, // crossorigin
0x1dc: 0x5730a, // onpageshow
0x1dd: 0x4, // abbr
0x1de: 0x9202, // td
0x1df: 0x58b0f, // contenteditable
0x1e0: 0x27206, // action
0x1e1: 0x1400b, // playsinline
0x1e2: 0x43107, // onfocus
0x1e3: 0x2e008, // hreflang
0x1e5: 0x5160a, // onmouseout
0x1e6: 0x5ea07, // onreset
0x1e7: 0x13c08, // autoplay
0x1e8: 0x63109, // onseeking
0x1ea: 0x67506, // scoped
0x1ec: 0x30a, // radiogroup
0x1ee: 0x3800b, // contextmenu
0x1ef: 0x52e09, // onmouseup
0x1f1: 0x2ca06, // hgroup
0x1f2: 0x2080f, // allowfullscreen
0x1f3: 0x4be08, // tabindex
0x1f6: 0x30f07, // isindex
0x1f7: 0x1a0e, // accept-charset
0x1f8: 0x2ae0e, // formnovalidate
0x1fb: 0x1c90e, // annotation-xml
0x1fc: 0x6e05, // embed
0x1fd: 0x21806, // script
0x1fe: 0xbb06, // dialog
0x1ff: 0x1d707, // command
}
const atomText = "abbradiogrouparamainavalueaccept-charsetbodyaccesskeygenobrb" +
"asefontimeupdateviacacheightmlabelooptgroupatternoembedetail" +
"sampictureversedfnoframesetdirnameterowspanomoduleacronymali" +
"gnmarkbdialogallowpaymentrequestrikeytypeallowusermediagroup" +
"ingaltfooterubyasyncanvasidefaultitleaudioncancelautofocusan" +
"dboxmplaceholderautoplaysinlinebdoncanplaythrough1bgsoundisa" +
"bledivarbigblinkindraggablegendblockquotebuttonabortcitempro" +
"penoncecolgrouplaintextrackcolorcolspannotation-xmlcommandco" +
"ntrolshapecoordslotranslatecrossoriginsmallowfullscreenoscri" +
"ptfacenterfieldsetfigcaptionafterprintegrityfigurequiredfore" +
"ignObjectforeignobjectformactionautocompleteerrorformenctype" +
"mustmatchallengeformmethodformnovalidatetimeformtargethgroup" +
"osterhiddenhigh2hreflanghttp-equivideonclickiframeimageimgly" +
"ph3isindexismappletitemtypemarqueematheadersortedmaxlength4m" +
"inlength5mtextareadonlymultiplemutedoncloseamlessourceoncont" +
"extmenuitemidoncopyoncuechangeoncutondblclickondragendondrag" +
"enterondragexitemreferrerpolicyondragleaveondragoverondragst" +
"articleondropzonemptiedondurationchangeonendedonerroronfocus" +
"paceronhashchangeoninputmodeloninvalidonkeydownloadonkeypres" +
"spellcheckedonkeyupreloadonlanguagechangeonloadeddatalisting" +
"onloadedmetadatabindexonloadendonloadstartonmessageerroronmo" +
"usedownonmouseenteronmouseleaveonmousemoveonmouseoutputonmou" +
"seoveronmouseupromptonmousewheelonofflineononlineonpagehides" +
"classectionbluronpageshowbronpastepublicontenteditableonpaus" +
"emaponplayingonpopstateonprogressrcdocodeferonratechangeonre" +
"jectionhandledonresetonresizesrclangonscrollonsecuritypolicy" +
"violationauxclickonseekedonseekingonselectedonshowidth6onsor" +
"tableonstalledonstorageonsubmitemscopedonsuspendontoggleonun" +
"handledrejectionbeforeprintonunloadonvolumechangeonwaitingon" +
"wheeloptimumanifestrongoptionbeforeunloaddressrcsetstylesumm" +
"arysupsvgsystemplateworkertypewrap"

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@ -1,376 +0,0 @@
// Code generated by go generate gen.go; DO NOT EDIT.
//go:generate go run gen.go -test
package atom
var testAtomList = []string{
"a",
"abbr",
"accept",
"accept-charset",
"accesskey",
"acronym",
"action",
"address",
"align",
"allowfullscreen",
"allowpaymentrequest",
"allowusermedia",
"alt",
"annotation",
"annotation-xml",
"applet",
"area",
"article",
"as",
"aside",
"async",
"audio",
"autocomplete",
"autofocus",
"autoplay",
"b",
"base",
"basefont",
"bdi",
"bdo",
"bgsound",
"big",
"blink",
"blockquote",
"body",
"br",
"button",
"canvas",
"caption",
"center",
"challenge",
"charset",
"checked",
"cite",
"class",
"code",
"col",
"colgroup",
"color",
"cols",
"colspan",
"command",
"content",
"contenteditable",
"contextmenu",
"controls",
"coords",
"crossorigin",
"data",
"datalist",
"datetime",
"dd",
"default",
"defer",
"del",
"desc",
"details",
"dfn",
"dialog",
"dir",
"dirname",
"disabled",
"div",
"dl",
"download",
"draggable",
"dropzone",
"dt",
"em",
"embed",
"enctype",
"face",
"fieldset",
"figcaption",
"figure",
"font",
"footer",
"for",
"foreignObject",
"foreignobject",
"form",
"formaction",
"formenctype",
"formmethod",
"formnovalidate",
"formtarget",
"frame",
"frameset",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"head",
"header",
"headers",
"height",
"hgroup",
"hidden",
"high",
"hr",
"href",
"hreflang",
"html",
"http-equiv",
"i",
"icon",
"id",
"iframe",
"image",
"img",
"input",
"inputmode",
"ins",
"integrity",
"is",
"isindex",
"ismap",
"itemid",
"itemprop",
"itemref",
"itemscope",
"itemtype",
"kbd",
"keygen",
"keytype",
"kind",
"label",
"lang",
"legend",
"li",
"link",
"list",
"listing",
"loop",
"low",
"main",
"malignmark",
"manifest",
"map",
"mark",
"marquee",
"math",
"max",
"maxlength",
"media",
"mediagroup",
"menu",
"menuitem",
"meta",
"meter",
"method",
"mglyph",
"mi",
"min",
"minlength",
"mn",
"mo",
"ms",
"mtext",
"multiple",
"muted",
"name",
"nav",
"nobr",
"noembed",
"noframes",
"nomodule",
"nonce",
"noscript",
"novalidate",
"object",
"ol",
"onabort",
"onafterprint",
"onautocomplete",
"onautocompleteerror",
"onauxclick",
"onbeforeprint",
"onbeforeunload",
"onblur",
"oncancel",
"oncanplay",
"oncanplaythrough",
"onchange",
"onclick",
"onclose",
"oncontextmenu",
"oncopy",
"oncuechange",
"oncut",
"ondblclick",
"ondrag",
"ondragend",
"ondragenter",
"ondragexit",
"ondragleave",
"ondragover",
"ondragstart",
"ondrop",
"ondurationchange",
"onemptied",
"onended",
"onerror",
"onfocus",
"onhashchange",
"oninput",
"oninvalid",
"onkeydown",
"onkeypress",
"onkeyup",
"onlanguagechange",
"onload",
"onloadeddata",
"onloadedmetadata",
"onloadend",
"onloadstart",
"onmessage",
"onmessageerror",
"onmousedown",
"onmouseenter",
"onmouseleave",
"onmousemove",
"onmouseout",
"onmouseover",
"onmouseup",
"onmousewheel",
"onoffline",
"ononline",
"onpagehide",
"onpageshow",
"onpaste",
"onpause",
"onplay",
"onplaying",
"onpopstate",
"onprogress",
"onratechange",
"onrejectionhandled",
"onreset",
"onresize",
"onscroll",
"onsecuritypolicyviolation",
"onseeked",
"onseeking",
"onselect",
"onshow",
"onsort",
"onstalled",
"onstorage",
"onsubmit",
"onsuspend",
"ontimeupdate",
"ontoggle",
"onunhandledrejection",
"onunload",
"onvolumechange",
"onwaiting",
"onwheel",
"open",
"optgroup",
"optimum",
"option",
"output",
"p",
"param",
"pattern",
"picture",
"ping",
"placeholder",
"plaintext",
"playsinline",
"poster",
"pre",
"preload",
"progress",
"prompt",
"public",
"q",
"radiogroup",
"rb",
"readonly",
"referrerpolicy",
"rel",
"required",
"reversed",
"rows",
"rowspan",
"rp",
"rt",
"rtc",
"ruby",
"s",
"samp",
"sandbox",
"scope",
"scoped",
"script",
"seamless",
"section",
"select",
"selected",
"shape",
"size",
"sizes",
"slot",
"small",
"sortable",
"sorted",
"source",
"spacer",
"span",
"spellcheck",
"src",
"srcdoc",
"srclang",
"srcset",
"start",
"step",
"strike",
"strong",
"style",
"sub",
"summary",
"sup",
"svg",
"system",
"tabindex",
"table",
"target",
"tbody",
"td",
"template",
"textarea",
"tfoot",
"th",
"thead",
"time",
"title",
"tr",
"track",
"translate",
"tt",
"type",
"typemustmatch",
"u",
"ul",
"updateviacache",
"usemap",
"value",
"var",
"video",
"wbr",
"width",
"workertype",
"wrap",
"xmp",
}

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@ -1,257 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package charset provides common text encodings for HTML documents.
//
// The mapping from encoding labels to encodings is defined at
// https://encoding.spec.whatwg.org/.
package charset // import "golang.org/x/net/html/charset"
import (
"bytes"
"fmt"
"io"
"mime"
"strings"
"unicode/utf8"
"golang.org/x/net/html"
"golang.org/x/text/encoding"
"golang.org/x/text/encoding/charmap"
"golang.org/x/text/encoding/htmlindex"
"golang.org/x/text/transform"
)
// Lookup returns the encoding with the specified label, and its canonical
// name. It returns nil and the empty string if label is not one of the
// standard encodings for HTML. Matching is case-insensitive and ignores
// leading and trailing whitespace. Encoders will use HTML escape sequences for
// runes that are not supported by the character set.
func Lookup(label string) (e encoding.Encoding, name string) {
e, err := htmlindex.Get(label)
if err != nil {
return nil, ""
}
name, _ = htmlindex.Name(e)
return &htmlEncoding{e}, name
}
type htmlEncoding struct{ encoding.Encoding }
func (h *htmlEncoding) NewEncoder() *encoding.Encoder {
// HTML requires a non-terminating legacy encoder. We use HTML escapes to
// substitute unsupported code points.
return encoding.HTMLEscapeUnsupported(h.Encoding.NewEncoder())
}
// DetermineEncoding determines the encoding of an HTML document by examining
// up to the first 1024 bytes of content and the declared Content-Type.
//
// See http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#determining-the-character-encoding
func DetermineEncoding(content []byte, contentType string) (e encoding.Encoding, name string, certain bool) {
if len(content) > 1024 {
content = content[:1024]
}
for _, b := range boms {
if bytes.HasPrefix(content, b.bom) {
e, name = Lookup(b.enc)
return e, name, true
}
}
if _, params, err := mime.ParseMediaType(contentType); err == nil {
if cs, ok := params["charset"]; ok {
if e, name = Lookup(cs); e != nil {
return e, name, true
}
}
}
if len(content) > 0 {
e, name = prescan(content)
if e != nil {
return e, name, false
}
}
// Try to detect UTF-8.
// First eliminate any partial rune at the end.
for i := len(content) - 1; i >= 0 && i > len(content)-4; i-- {
b := content[i]
if b < 0x80 {
break
}
if utf8.RuneStart(b) {
content = content[:i]
break
}
}
hasHighBit := false
for _, c := range content {
if c >= 0x80 {
hasHighBit = true
break
}
}
if hasHighBit && utf8.Valid(content) {
return encoding.Nop, "utf-8", false
}
// TODO: change default depending on user's locale?
return charmap.Windows1252, "windows-1252", false
}
// NewReader returns an io.Reader that converts the content of r to UTF-8.
// It calls DetermineEncoding to find out what r's encoding is.
func NewReader(r io.Reader, contentType string) (io.Reader, error) {
preview := make([]byte, 1024)
n, err := io.ReadFull(r, preview)
switch {
case err == io.ErrUnexpectedEOF:
preview = preview[:n]
r = bytes.NewReader(preview)
case err != nil:
return nil, err
default:
r = io.MultiReader(bytes.NewReader(preview), r)
}
if e, _, _ := DetermineEncoding(preview, contentType); e != encoding.Nop {
r = transform.NewReader(r, e.NewDecoder())
}
return r, nil
}
// NewReaderLabel returns a reader that converts from the specified charset to
// UTF-8. It uses Lookup to find the encoding that corresponds to label, and
// returns an error if Lookup returns nil. It is suitable for use as
// encoding/xml.Decoder's CharsetReader function.
func NewReaderLabel(label string, input io.Reader) (io.Reader, error) {
e, _ := Lookup(label)
if e == nil {
return nil, fmt.Errorf("unsupported charset: %q", label)
}
return transform.NewReader(input, e.NewDecoder()), nil
}
func prescan(content []byte) (e encoding.Encoding, name string) {
z := html.NewTokenizer(bytes.NewReader(content))
for {
switch z.Next() {
case html.ErrorToken:
return nil, ""
case html.StartTagToken, html.SelfClosingTagToken:
tagName, hasAttr := z.TagName()
if !bytes.Equal(tagName, []byte("meta")) {
continue
}
attrList := make(map[string]bool)
gotPragma := false
const (
dontKnow = iota
doNeedPragma
doNotNeedPragma
)
needPragma := dontKnow
name = ""
e = nil
for hasAttr {
var key, val []byte
key, val, hasAttr = z.TagAttr()
ks := string(key)
if attrList[ks] {
continue
}
attrList[ks] = true
for i, c := range val {
if 'A' <= c && c <= 'Z' {
val[i] = c + 0x20
}
}
switch ks {
case "http-equiv":
if bytes.Equal(val, []byte("content-type")) {
gotPragma = true
}
case "content":
if e == nil {
name = fromMetaElement(string(val))
if name != "" {
e, name = Lookup(name)
if e != nil {
needPragma = doNeedPragma
}
}
}
case "charset":
e, name = Lookup(string(val))
needPragma = doNotNeedPragma
}
}
if needPragma == dontKnow || needPragma == doNeedPragma && !gotPragma {
continue
}
if strings.HasPrefix(name, "utf-16") {
name = "utf-8"
e = encoding.Nop
}
if e != nil {
return e, name
}
}
}
}
func fromMetaElement(s string) string {
for s != "" {
csLoc := strings.Index(s, "charset")
if csLoc == -1 {
return ""
}
s = s[csLoc+len("charset"):]
s = strings.TrimLeft(s, " \t\n\f\r")
if !strings.HasPrefix(s, "=") {
continue
}
s = s[1:]
s = strings.TrimLeft(s, " \t\n\f\r")
if s == "" {
return ""
}
if q := s[0]; q == '"' || q == '\'' {
s = s[1:]
closeQuote := strings.IndexRune(s, rune(q))
if closeQuote == -1 {
return ""
}
return s[:closeQuote]
}
end := strings.IndexAny(s, "; \t\n\f\r")
if end == -1 {
end = len(s)
}
return s[:end]
}
return ""
}
var boms = []struct {
bom []byte
enc string
}{
{[]byte{0xfe, 0xff}, "utf-16be"},
{[]byte{0xff, 0xfe}, "utf-16le"},
{[]byte{0xef, 0xbb, 0xbf}, "utf-8"},
}

View File

@ -1,237 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package charset
import (
"bytes"
"encoding/xml"
"io/ioutil"
"runtime"
"strings"
"testing"
"golang.org/x/text/transform"
)
func transformString(t transform.Transformer, s string) (string, error) {
r := transform.NewReader(strings.NewReader(s), t)
b, err := ioutil.ReadAll(r)
return string(b), err
}
type testCase struct {
utf8, other, otherEncoding string
}
// testCases for encoding and decoding.
var testCases = []testCase{
{"Résumé", "Résumé", "utf8"},
{"Résumé", "R\xe9sum\xe9", "latin1"},
{"これは漢字です。", "S0\x8c0o0\"oW[g0Y0\x020", "UTF-16LE"},
{"これは漢字です。", "0S0\x8c0oo\"[W0g0Y0\x02", "UTF-16BE"},
{"Hello, world", "Hello, world", "ASCII"},
{"Gdańsk", "Gda\xf1sk", "ISO-8859-2"},
{"Ââ Čč Đđ Ŋŋ Õõ Šš Žž Åå Ää", "\xc2\xe2 \xc8\xe8 \xa9\xb9 \xaf\xbf \xd5\xf5 \xaa\xba \xac\xbc \xc5\xe5 \xc4\xe4", "ISO-8859-10"},
{"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "ISO-8859-11"},
{"latviešu", "latvie\xf0u", "ISO-8859-13"},
{"Seònaid", "Se\xf2naid", "ISO-8859-14"},
{"€1 is cheap", "\xa41 is cheap", "ISO-8859-15"},
{"românește", "rom\xe2ne\xbate", "ISO-8859-16"},
{"nutraĵo", "nutra\xbco", "ISO-8859-3"},
{"Kalâdlit", "Kal\xe2dlit", "ISO-8859-4"},
{"русский", "\xe0\xe3\xe1\xe1\xda\xd8\xd9", "ISO-8859-5"},
{"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "ISO-8859-7"},
{"Kağan", "Ka\xf0an", "ISO-8859-9"},
{"Résumé", "R\x8esum\x8e", "macintosh"},
{"Gdańsk", "Gda\xf1sk", "windows-1250"},
{"русский", "\xf0\xf3\xf1\xf1\xea\xe8\xe9", "windows-1251"},
{"Résumé", "R\xe9sum\xe9", "windows-1252"},
{"ελληνικά", "\xe5\xeb\xeb\xe7\xed\xe9\xea\xdc", "windows-1253"},
{"Kağan", "Ka\xf0an", "windows-1254"},
{"עִבְרִית", "\xf2\xc4\xe1\xc0\xf8\xc4\xe9\xfa", "windows-1255"},
{"العربية", "\xc7\xe1\xda\xd1\xc8\xed\xc9", "windows-1256"},
{"latviešu", "latvie\xf0u", "windows-1257"},
{"Việt", "Vi\xea\xf2t", "windows-1258"},
{"สำหรับ", "\xca\xd3\xcb\xc3\u047a", "windows-874"},
{"русский", "\xd2\xd5\xd3\xd3\xcb\xc9\xca", "KOI8-R"},
{"українська", "\xd5\xcb\xd2\xc1\xa7\xce\xd3\xd8\xcb\xc1", "KOI8-U"},
{"Hello 常用國字標準字體表", "Hello \xb1`\xa5\u03b0\xea\xa6r\xbc\u0437\u01e6r\xc5\xe9\xaa\xed", "big5"},
{"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gbk"},
{"Hello 常用國字標準字體表", "Hello \xb3\xa3\xd3\xc3\x87\xf8\xd7\xd6\x98\xcb\x9c\xca\xd7\xd6\xf3\x77\xb1\xed", "gb18030"},
{"עִבְרִית", "\x81\x30\xfb\x30\x81\x30\xf6\x34\x81\x30\xf9\x33\x81\x30\xf6\x30\x81\x30\xfb\x36\x81\x30\xf6\x34\x81\x30\xfa\x31\x81\x30\xfb\x38", "gb18030"},
{"㧯", "\x82\x31\x89\x38", "gb18030"},
{"これは漢字です。", "\x82\xb1\x82\xea\x82\xcd\x8a\xbf\x8e\x9a\x82\xc5\x82\xb7\x81B", "SJIS"},
{"Hello, 世界!", "Hello, \x90\xa2\x8aE!", "SJIS"},
{"イウエオカ", "\xb2\xb3\xb4\xb5\xb6", "SJIS"},
{"これは漢字です。", "\xa4\xb3\xa4\xec\xa4\u03f4\xc1\xbb\xfa\xa4\u01e4\xb9\xa1\xa3", "EUC-JP"},
{"Hello, 世界!", "Hello, \x1b$B@$3&\x1b(B!", "ISO-2022-JP"},
{"다음과 같은 조건을 따라야 합니다: 저작자표시", "\xb4\xd9\xc0\xbd\xb0\xfa \xb0\xb0\xc0\xba \xc1\xb6\xb0\xc7\xc0\xbb \xb5\xfb\xb6\xf3\xbe\xdf \xc7մϴ\xd9: \xc0\xfa\xc0\xdb\xc0\xdaǥ\xbd\xc3", "EUC-KR"},
}
func TestDecode(t *testing.T) {
testCases := append(testCases, []testCase{
// Replace multi-byte maximum subpart of ill-formed subsequence with
// single replacement character (WhatWG requirement).
{"Rés\ufffdumé", "Rés\xe1\x80umé", "utf8"},
}...)
for _, tc := range testCases {
e, _ := Lookup(tc.otherEncoding)
if e == nil {
t.Errorf("%s: not found", tc.otherEncoding)
continue
}
s, err := transformString(e.NewDecoder(), tc.other)
if err != nil {
t.Errorf("%s: decode %q: %v", tc.otherEncoding, tc.other, err)
continue
}
if s != tc.utf8 {
t.Errorf("%s: got %q, want %q", tc.otherEncoding, s, tc.utf8)
}
}
}
func TestEncode(t *testing.T) {
testCases := append(testCases, []testCase{
// Use Go-style replacement.
{"Rés\xe1\x80umé", "Rés\ufffd\ufffdumé", "utf8"},
// U+0144 LATIN SMALL LETTER N WITH ACUTE not supported by encoding.
{"Gdańsk", "Gda&#324;sk", "ISO-8859-11"},
{"\ufffd", "&#65533;", "ISO-8859-11"},
{"a\xe1\x80b", "a&#65533;&#65533;b", "ISO-8859-11"},
}...)
for _, tc := range testCases {
e, _ := Lookup(tc.otherEncoding)
if e == nil {
t.Errorf("%s: not found", tc.otherEncoding)
continue
}
s, err := transformString(e.NewEncoder(), tc.utf8)
if err != nil {
t.Errorf("%s: encode %q: %s", tc.otherEncoding, tc.utf8, err)
continue
}
if s != tc.other {
t.Errorf("%s: got %q, want %q", tc.otherEncoding, s, tc.other)
}
}
}
var sniffTestCases = []struct {
filename, declared, want string
}{
{"HTTP-charset.html", "text/html; charset=iso-8859-15", "iso-8859-15"},
{"UTF-16LE-BOM.html", "", "utf-16le"},
{"UTF-16BE-BOM.html", "", "utf-16be"},
{"meta-content-attribute.html", "text/html", "iso-8859-15"},
{"meta-charset-attribute.html", "text/html", "iso-8859-15"},
{"No-encoding-declaration.html", "text/html", "utf-8"},
{"HTTP-vs-UTF-8-BOM.html", "text/html; charset=iso-8859-15", "utf-8"},
{"HTTP-vs-meta-content.html", "text/html; charset=iso-8859-15", "iso-8859-15"},
{"HTTP-vs-meta-charset.html", "text/html; charset=iso-8859-15", "iso-8859-15"},
{"UTF-8-BOM-vs-meta-content.html", "text/html", "utf-8"},
{"UTF-8-BOM-vs-meta-charset.html", "text/html", "utf-8"},
}
func TestSniff(t *testing.T) {
switch runtime.GOOS {
case "nacl": // platforms that don't permit direct file system access
t.Skipf("not supported on %q", runtime.GOOS)
}
for _, tc := range sniffTestCases {
content, err := ioutil.ReadFile("testdata/" + tc.filename)
if err != nil {
t.Errorf("%s: error reading file: %v", tc.filename, err)
continue
}
_, name, _ := DetermineEncoding(content, tc.declared)
if name != tc.want {
t.Errorf("%s: got %q, want %q", tc.filename, name, tc.want)
continue
}
}
}
func TestReader(t *testing.T) {
switch runtime.GOOS {
case "nacl": // platforms that don't permit direct file system access
t.Skipf("not supported on %q", runtime.GOOS)
}
for _, tc := range sniffTestCases {
content, err := ioutil.ReadFile("testdata/" + tc.filename)
if err != nil {
t.Errorf("%s: error reading file: %v", tc.filename, err)
continue
}
r, err := NewReader(bytes.NewReader(content), tc.declared)
if err != nil {
t.Errorf("%s: error creating reader: %v", tc.filename, err)
continue
}
got, err := ioutil.ReadAll(r)
if err != nil {
t.Errorf("%s: error reading from charset.NewReader: %v", tc.filename, err)
continue
}
e, _ := Lookup(tc.want)
want, err := ioutil.ReadAll(transform.NewReader(bytes.NewReader(content), e.NewDecoder()))
if err != nil {
t.Errorf("%s: error decoding with hard-coded charset name: %v", tc.filename, err)
continue
}
if !bytes.Equal(got, want) {
t.Errorf("%s: got %q, want %q", tc.filename, got, want)
continue
}
}
}
var metaTestCases = []struct {
meta, want string
}{
{"", ""},
{"text/html", ""},
{"text/html; charset utf-8", ""},
{"text/html; charset=latin-2", "latin-2"},
{"text/html; charset; charset = utf-8", "utf-8"},
{`charset="big5"`, "big5"},
{"charset='shift_jis'", "shift_jis"},
}
func TestFromMeta(t *testing.T) {
for _, tc := range metaTestCases {
got := fromMetaElement(tc.meta)
if got != tc.want {
t.Errorf("%q: got %q, want %q", tc.meta, got, tc.want)
}
}
}
func TestXML(t *testing.T) {
const s = "<?xml version=\"1.0\" encoding=\"windows-1252\"?><a><Word>r\xe9sum\xe9</Word></a>"
d := xml.NewDecoder(strings.NewReader(s))
d.CharsetReader = NewReaderLabel
var a struct {
Word string
}
err := d.Decode(&a)
if err != nil {
t.Fatalf("Decode: %v", err)
}
want := "résumé"
if a.Word != want {
t.Errorf("got %q, want %q", a.Word, want)
}
}

View File

@ -1,48 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<title>HTTP charset</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="The character encoding of a page can be set using the HTTP header charset declaration.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-15.css">
</head>
<body>
<p class='title'>HTTP charset</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">The character encoding of a page can be set using the HTTP header charset declaration.</p>
<div class="notes"><p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00C3;&#x0153;&#x00C3;&#x20AC;&#x00C3;&#x0161;</code>. This matches the sequence of bytes above when they are interpreted as ISO 8859-15. If the class name matches the selector then the test will pass.</p><p>The only character encoding declaration for this HTML file is in the HTTP header, which sets the encoding to ISO 8859-15.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-003">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-001<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#basics" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-001" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,48 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<title>HTTP vs UTF-8 BOM</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="A character encoding set in the HTTP header has lower precedence than the UTF-8 signature.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-utf8.css">
</head>
<body>
<p class='title'>HTTP vs UTF-8 BOM</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">A character encoding set in the HTTP header has lower precedence than the UTF-8 signature.</p>
<div class="notes"><p><p>The HTTP header attempts to set the character encoding to ISO 8859-15. The page starts with a UTF-8 signature.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00FD;&#x00E4;&#x00E8;</code>. This matches the sequence of bytes above when they are interpreted as UTF-8. If the class name matches the selector then the test will pass.</p><p>If the test is unsuccessful, the characters &#x00EF;&#x00BB;&#x00BF; should appear at the top of the page. These represent the bytes that make up the UTF-8 signature when encountered in the ISO 8859-15 encoding.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-022">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-034<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#precedence" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-034" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,49 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="iso-8859-1" > <title>HTTP vs meta charset</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="The HTTP header has a higher precedence than an encoding declaration in a meta charset attribute.">
<style type='text/css'>
.test div { width: 50px; }.test div { width: 90px; }
</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-15.css">
</head>
<body>
<p class='title'>HTTP vs meta charset</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">The HTTP header has a higher precedence than an encoding declaration in a meta charset attribute.</p>
<div class="notes"><p><p>The HTTP header attempts to set the character encoding to ISO 8859-15. The page contains an encoding declaration in a meta charset attribute that attempts to set the character encoding to ISO 8859-1.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00C3;&#x0153;&#x00C3;&#x20AC;&#x00C3;&#x0161;</code>. This matches the sequence of bytes above when they are interpreted as ISO 8859-15. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-037">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-018<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#precedence" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-018" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,49 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta http-equiv="content-type" content="text/html;charset=iso-8859-1" > <title>HTTP vs meta content</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="The HTTP header has a higher precedence than an encoding declaration in a meta content attribute.">
<style type='text/css'>
.test div { width: 50px; }.test div { width: 90px; }
</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-15.css">
</head>
<body>
<p class='title'>HTTP vs meta content</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">The HTTP header has a higher precedence than an encoding declaration in a meta content attribute.</p>
<div class="notes"><p><p>The HTTP header attempts to set the character encoding to ISO 8859-15. The page contains an encoding declaration in a meta content attribute that attempts to set the character encoding to ISO 8859-1.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00C3;&#x0153;&#x00C3;&#x20AC;&#x00C3;&#x0161;</code>. This matches the sequence of bytes above when they are interpreted as ISO 8859-15. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-018">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-016<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#precedence" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-016" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,47 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<title>No encoding declaration</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="A page with no encoding information in HTTP, BOM, XML declaration or meta element will be treated as UTF-8.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-utf8.css">
</head>
<body>
<p class='title'>No encoding declaration</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">A page with no encoding information in HTTP, BOM, XML declaration or meta element will be treated as UTF-8.</p>
<div class="notes"><p><p>The test on this page contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00FD;&#x00E4;&#x00E8;</code>. This matches the sequence of bytes above when they are interpreted as UTF-8. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-034">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-015<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#basics" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-015" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,9 +0,0 @@
These test cases come from
http://www.w3.org/International/tests/repository/html5/the-input-byte-stream/results-basics
Distributed under both the W3C Test Suite License
(http://www.w3.org/Consortium/Legal/2008/04-testsuite-license)
and the W3C 3-clause BSD License
(http://www.w3.org/Consortium/Legal/2008/03-bsd-license).
To contribute to a W3C Test Suite, see the policies and contribution
forms (http://www.w3.org/2004/10/27-testcases).

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View File

@ -1,49 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="iso-8859-15"> <title>UTF-8 BOM vs meta charset</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="A page with a UTF-8 BOM will be recognized as UTF-8 even if the meta charset attribute declares a different encoding.">
<style type='text/css'>
.test div { width: 50px; }.test div { width: 90px; }
</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-utf8.css">
</head>
<body>
<p class='title'>UTF-8 BOM vs meta charset</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">A page with a UTF-8 BOM will be recognized as UTF-8 even if the meta charset attribute declares a different encoding.</p>
<div class="notes"><p><p>The page contains an encoding declaration in a meta charset attribute that attempts to set the character encoding to ISO 8859-15, but the file starts with a UTF-8 signature.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00FD;&#x00E4;&#x00E8;</code>. This matches the sequence of bytes above when they are interpreted as UTF-8. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-024">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-038<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#precedence" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-038" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,48 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-15"> <title>UTF-8 BOM vs meta content</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="A page with a UTF-8 BOM will be recognized as UTF-8 even if the meta content attribute declares a different encoding.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-utf8.css">
</head>
<body>
<p class='title'>UTF-8 BOM vs meta content</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">A page with a UTF-8 BOM will be recognized as UTF-8 even if the meta content attribute declares a different encoding.</p>
<div class="notes"><p><p>The page contains an encoding declaration in a meta content attribute that attempts to set the character encoding to ISO 8859-15, but the file starts with a UTF-8 signature.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00FD;&#x00E4;&#x00E8;</code>. This matches the sequence of bytes above when they are interpreted as UTF-8. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-038">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-037<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#precedence" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-037" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,48 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta charset="iso-8859-15"> <title>meta charset attribute</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="The character encoding of the page can be set by a meta element with charset attribute.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-15.css">
</head>
<body>
<p class='title'>meta charset attribute</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">The character encoding of the page can be set by a meta element with charset attribute.</p>
<div class="notes"><p><p>The only character encoding declaration for this HTML file is in the charset attribute of the meta element, which declares the encoding to be ISO 8859-15.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00C3;&#x0153;&#x00C3;&#x20AC;&#x00C3;&#x0161;</code>. This matches the sequence of bytes above when they are interpreted as ISO 8859-15. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-015">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-009<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#basics" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-009" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

View File

@ -1,48 +0,0 @@
<!DOCTYPE html>
<html lang="en" >
<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-15"> <title>meta content attribute</title>
<link rel='author' title='Richard Ishida' href='mailto:ishida@w3.org'>
<link rel='help' href='http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream'>
<link rel="stylesheet" type="text/css" href="./generatedtests.css">
<script src="http://w3c-test.org/resources/testharness.js"></script>
<script src="http://w3c-test.org/resources/testharnessreport.js"></script>
<meta name='flags' content='http'>
<meta name="assert" content="The character encoding of the page can be set by a meta element with http-equiv and content attributes.">
<style type='text/css'>
.test div { width: 50px; }</style>
<link rel="stylesheet" type="text/css" href="the-input-byte-stream/support/encodingtests-15.css">
</head>
<body>
<p class='title'>meta content attribute</p>
<div id='log'></div>
<div class='test'><div id='box' class='ýäè'>&#xA0;</div></div>
<div class='description'>
<p class="assertion" title="Assertion">The character encoding of the page can be set by a meta element with http-equiv and content attributes.</p>
<div class="notes"><p><p>The only character encoding declaration for this HTML file is in the content attribute of the meta element, which declares the encoding to be ISO 8859-15.</p><p>The test contains a div with a class name that contains the following sequence of bytes: 0xC3 0xBD 0xC3 0xA4 0xC3 0xA8. These represent different sequences of characters in ISO 8859-15, ISO 8859-1 and UTF-8. The external, UTF-8-encoded stylesheet contains a selector <code>.test div.&#x00C3;&#x0153;&#x00C3;&#x20AC;&#x00C3;&#x0161;</code>. This matches the sequence of bytes above when they are interpreted as ISO 8859-15. If the class name matches the selector then the test will pass.</p></p>
</div>
</div>
<div class="nexttest"><div><a href="generate?test=the-input-byte-stream-009">Next test</a></div><div class="doctype">HTML5</div>
<p class="jump">the-input-byte-stream-007<br /><a href="/International/tests/html5/the-input-byte-stream/results-basics#basics" target="_blank">Result summary &amp; related tests</a><br /><a href="http://w3c-test.org/framework/details/i18n-html5/the-input-byte-stream-007" target="_blank">Detailed results for this test</a><br/> <a href="http://www.w3.org/TR/html5/syntax.html#the-input-byte-stream" target="_blank">Link to spec</a></p>
<div class='prereq'>Assumptions: <ul><li>The default encoding for the browser you are testing is not set to ISO 8859-15.</li>
<li>The test is read from a server that supports HTTP.</li></ul></div>
</div>
<script>
test(function() {
assert_equals(document.getElementById('box').offsetWidth, 100);
}, " ");
</script>
</body>
</html>

112
vendor/golang.org/x/net/html/const.go generated vendored
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@ -1,112 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
// Section 12.2.4.2 of the HTML5 specification says "The following elements
// have varying levels of special parsing rules".
// https://html.spec.whatwg.org/multipage/syntax.html#the-stack-of-open-elements
var isSpecialElementMap = map[string]bool{
"address": true,
"applet": true,
"area": true,
"article": true,
"aside": true,
"base": true,
"basefont": true,
"bgsound": true,
"blockquote": true,
"body": true,
"br": true,
"button": true,
"caption": true,
"center": true,
"col": true,
"colgroup": true,
"dd": true,
"details": true,
"dir": true,
"div": true,
"dl": true,
"dt": true,
"embed": true,
"fieldset": true,
"figcaption": true,
"figure": true,
"footer": true,
"form": true,
"frame": true,
"frameset": true,
"h1": true,
"h2": true,
"h3": true,
"h4": true,
"h5": true,
"h6": true,
"head": true,
"header": true,
"hgroup": true,
"hr": true,
"html": true,
"iframe": true,
"img": true,
"input": true,
"isindex": true, // The 'isindex' element has been removed, but keep it for backwards compatibility.
"keygen": true,
"li": true,
"link": true,
"listing": true,
"main": true,
"marquee": true,
"menu": true,
"meta": true,
"nav": true,
"noembed": true,
"noframes": true,
"noscript": true,
"object": true,
"ol": true,
"p": true,
"param": true,
"plaintext": true,
"pre": true,
"script": true,
"section": true,
"select": true,
"source": true,
"style": true,
"summary": true,
"table": true,
"tbody": true,
"td": true,
"template": true,
"textarea": true,
"tfoot": true,
"th": true,
"thead": true,
"title": true,
"tr": true,
"track": true,
"ul": true,
"wbr": true,
"xmp": true,
}
func isSpecialElement(element *Node) bool {
switch element.Namespace {
case "", "html":
return isSpecialElementMap[element.Data]
case "math":
switch element.Data {
case "mi", "mo", "mn", "ms", "mtext", "annotation-xml":
return true
}
case "svg":
switch element.Data {
case "foreignObject", "desc", "title":
return true
}
}
return false
}

106
vendor/golang.org/x/net/html/doc.go generated vendored
View File

@ -1,106 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package html implements an HTML5-compliant tokenizer and parser.
Tokenization is done by creating a Tokenizer for an io.Reader r. It is the
caller's responsibility to ensure that r provides UTF-8 encoded HTML.
z := html.NewTokenizer(r)
Given a Tokenizer z, the HTML is tokenized by repeatedly calling z.Next(),
which parses the next token and returns its type, or an error:
for {
tt := z.Next()
if tt == html.ErrorToken {
// ...
return ...
}
// Process the current token.
}
There are two APIs for retrieving the current token. The high-level API is to
call Token; the low-level API is to call Text or TagName / TagAttr. Both APIs
allow optionally calling Raw after Next but before Token, Text, TagName, or
TagAttr. In EBNF notation, the valid call sequence per token is:
Next {Raw} [ Token | Text | TagName {TagAttr} ]
Token returns an independent data structure that completely describes a token.
Entities (such as "&lt;") are unescaped, tag names and attribute keys are
lower-cased, and attributes are collected into a []Attribute. For example:
for {
if z.Next() == html.ErrorToken {
// Returning io.EOF indicates success.
return z.Err()
}
emitToken(z.Token())
}
The low-level API performs fewer allocations and copies, but the contents of
the []byte values returned by Text, TagName and TagAttr may change on the next
call to Next. For example, to extract an HTML page's anchor text:
depth := 0
for {
tt := z.Next()
switch tt {
case html.ErrorToken:
return z.Err()
case html.TextToken:
if depth > 0 {
// emitBytes should copy the []byte it receives,
// if it doesn't process it immediately.
emitBytes(z.Text())
}
case html.StartTagToken, html.EndTagToken:
tn, _ := z.TagName()
if len(tn) == 1 && tn[0] == 'a' {
if tt == html.StartTagToken {
depth++
} else {
depth--
}
}
}
}
Parsing is done by calling Parse with an io.Reader, which returns the root of
the parse tree (the document element) as a *Node. It is the caller's
responsibility to ensure that the Reader provides UTF-8 encoded HTML. For
example, to process each anchor node in depth-first order:
doc, err := html.Parse(r)
if err != nil {
// ...
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
// Do something with n...
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(doc)
The relevant specifications include:
https://html.spec.whatwg.org/multipage/syntax.html and
https://html.spec.whatwg.org/multipage/syntax.html#tokenization
*/
package html // import "golang.org/x/net/html"
// The tokenization algorithm implemented by this package is not a line-by-line
// transliteration of the relatively verbose state-machine in the WHATWG
// specification. A more direct approach is used instead, where the program
// counter implies the state, such as whether it is tokenizing a tag or a text
// node. Specification compliance is verified by checking expected and actual
// outputs over a test suite rather than aiming for algorithmic fidelity.
// TODO(nigeltao): Does a DOM API belong in this package or a separate one?
// TODO(nigeltao): How does parsing interact with a JavaScript engine?

View File

@ -1,156 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"strings"
)
// parseDoctype parses the data from a DoctypeToken into a name,
// public identifier, and system identifier. It returns a Node whose Type
// is DoctypeNode, whose Data is the name, and which has attributes
// named "system" and "public" for the two identifiers if they were present.
// quirks is whether the document should be parsed in "quirks mode".
func parseDoctype(s string) (n *Node, quirks bool) {
n = &Node{Type: DoctypeNode}
// Find the name.
space := strings.IndexAny(s, whitespace)
if space == -1 {
space = len(s)
}
n.Data = s[:space]
// The comparison to "html" is case-sensitive.
if n.Data != "html" {
quirks = true
}
n.Data = strings.ToLower(n.Data)
s = strings.TrimLeft(s[space:], whitespace)
if len(s) < 6 {
// It can't start with "PUBLIC" or "SYSTEM".
// Ignore the rest of the string.
return n, quirks || s != ""
}
key := strings.ToLower(s[:6])
s = s[6:]
for key == "public" || key == "system" {
s = strings.TrimLeft(s, whitespace)
if s == "" {
break
}
quote := s[0]
if quote != '"' && quote != '\'' {
break
}
s = s[1:]
q := strings.IndexRune(s, rune(quote))
var id string
if q == -1 {
id = s
s = ""
} else {
id = s[:q]
s = s[q+1:]
}
n.Attr = append(n.Attr, Attribute{Key: key, Val: id})
if key == "public" {
key = "system"
} else {
key = ""
}
}
if key != "" || s != "" {
quirks = true
} else if len(n.Attr) > 0 {
if n.Attr[0].Key == "public" {
public := strings.ToLower(n.Attr[0].Val)
switch public {
case "-//w3o//dtd w3 html strict 3.0//en//", "-/w3d/dtd html 4.0 transitional/en", "html":
quirks = true
default:
for _, q := range quirkyIDs {
if strings.HasPrefix(public, q) {
quirks = true
break
}
}
}
// The following two public IDs only cause quirks mode if there is no system ID.
if len(n.Attr) == 1 && (strings.HasPrefix(public, "-//w3c//dtd html 4.01 frameset//") ||
strings.HasPrefix(public, "-//w3c//dtd html 4.01 transitional//")) {
quirks = true
}
}
if lastAttr := n.Attr[len(n.Attr)-1]; lastAttr.Key == "system" &&
strings.ToLower(lastAttr.Val) == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd" {
quirks = true
}
}
return n, quirks
}
// quirkyIDs is a list of public doctype identifiers that cause a document
// to be interpreted in quirks mode. The identifiers should be in lower case.
var quirkyIDs = []string{
"+//silmaril//dtd html pro v0r11 19970101//",
"-//advasoft ltd//dtd html 3.0 aswedit + extensions//",
"-//as//dtd html 3.0 aswedit + extensions//",
"-//ietf//dtd html 2.0 level 1//",
"-//ietf//dtd html 2.0 level 2//",
"-//ietf//dtd html 2.0 strict level 1//",
"-//ietf//dtd html 2.0 strict level 2//",
"-//ietf//dtd html 2.0 strict//",
"-//ietf//dtd html 2.0//",
"-//ietf//dtd html 2.1e//",
"-//ietf//dtd html 3.0//",
"-//ietf//dtd html 3.2 final//",
"-//ietf//dtd html 3.2//",
"-//ietf//dtd html 3//",
"-//ietf//dtd html level 0//",
"-//ietf//dtd html level 1//",
"-//ietf//dtd html level 2//",
"-//ietf//dtd html level 3//",
"-//ietf//dtd html strict level 0//",
"-//ietf//dtd html strict level 1//",
"-//ietf//dtd html strict level 2//",
"-//ietf//dtd html strict level 3//",
"-//ietf//dtd html strict//",
"-//ietf//dtd html//",
"-//metrius//dtd metrius presentational//",
"-//microsoft//dtd internet explorer 2.0 html strict//",
"-//microsoft//dtd internet explorer 2.0 html//",
"-//microsoft//dtd internet explorer 2.0 tables//",
"-//microsoft//dtd internet explorer 3.0 html strict//",
"-//microsoft//dtd internet explorer 3.0 html//",
"-//microsoft//dtd internet explorer 3.0 tables//",
"-//netscape comm. corp.//dtd html//",
"-//netscape comm. corp.//dtd strict html//",
"-//o'reilly and associates//dtd html 2.0//",
"-//o'reilly and associates//dtd html extended 1.0//",
"-//o'reilly and associates//dtd html extended relaxed 1.0//",
"-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//",
"-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//",
"-//spyglass//dtd html 2.0 extended//",
"-//sq//dtd html 2.0 hotmetal + extensions//",
"-//sun microsystems corp.//dtd hotjava html//",
"-//sun microsystems corp.//dtd hotjava strict html//",
"-//w3c//dtd html 3 1995-03-24//",
"-//w3c//dtd html 3.2 draft//",
"-//w3c//dtd html 3.2 final//",
"-//w3c//dtd html 3.2//",
"-//w3c//dtd html 3.2s draft//",
"-//w3c//dtd html 4.0 frameset//",
"-//w3c//dtd html 4.0 transitional//",
"-//w3c//dtd html experimental 19960712//",
"-//w3c//dtd html experimental 970421//",
"-//w3c//dtd w3 html//",
"-//w3o//dtd w3 html 3.0//",
"-//webtechs//dtd mozilla html 2.0//",
"-//webtechs//dtd mozilla html//",
}

2253
vendor/golang.org/x/net/html/entity.go generated vendored

File diff suppressed because it is too large Load Diff

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@ -1,29 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"testing"
"unicode/utf8"
)
func TestEntityLength(t *testing.T) {
// We verify that the length of UTF-8 encoding of each value is <= 1 + len(key).
// The +1 comes from the leading "&". This property implies that the length of
// unescaped text is <= the length of escaped text.
for k, v := range entity {
if 1+len(k) < utf8.RuneLen(v) {
t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v))
}
if len(k) > longestEntityWithoutSemicolon && k[len(k)-1] != ';' {
t.Errorf("entity name %s is %d characters, but longestEntityWithoutSemicolon=%d", k, len(k), longestEntityWithoutSemicolon)
}
}
for k, v := range entity2 {
if 1+len(k) < utf8.RuneLen(v[0])+utf8.RuneLen(v[1]) {
t.Error("escaped entity &" + k + " is shorter than its UTF-8 encoding " + string(v[0]) + string(v[1]))
}
}
}

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@ -1,258 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bytes"
"strings"
"unicode/utf8"
)
// These replacements permit compatibility with old numeric entities that
// assumed Windows-1252 encoding.
// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
var replacementTable = [...]rune{
'\u20AC', // First entry is what 0x80 should be replaced with.
'\u0081',
'\u201A',
'\u0192',
'\u201E',
'\u2026',
'\u2020',
'\u2021',
'\u02C6',
'\u2030',
'\u0160',
'\u2039',
'\u0152',
'\u008D',
'\u017D',
'\u008F',
'\u0090',
'\u2018',
'\u2019',
'\u201C',
'\u201D',
'\u2022',
'\u2013',
'\u2014',
'\u02DC',
'\u2122',
'\u0161',
'\u203A',
'\u0153',
'\u009D',
'\u017E',
'\u0178', // Last entry is 0x9F.
// 0x00->'\uFFFD' is handled programmatically.
// 0x0D->'\u000D' is a no-op.
}
// unescapeEntity reads an entity like "&lt;" from b[src:] and writes the
// corresponding "<" to b[dst:], returning the incremented dst and src cursors.
// Precondition: b[src] == '&' && dst <= src.
// attribute should be true if parsing an attribute value.
func unescapeEntity(b []byte, dst, src int, attribute bool) (dst1, src1 int) {
// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
// i starts at 1 because we already know that s[0] == '&'.
i, s := 1, b[src:]
if len(s) <= 1 {
b[dst] = b[src]
return dst + 1, src + 1
}
if s[i] == '#' {
if len(s) <= 3 { // We need to have at least "&#.".
b[dst] = b[src]
return dst + 1, src + 1
}
i++
c := s[i]
hex := false
if c == 'x' || c == 'X' {
hex = true
i++
}
x := '\x00'
for i < len(s) {
c = s[i]
i++
if hex {
if '0' <= c && c <= '9' {
x = 16*x + rune(c) - '0'
continue
} else if 'a' <= c && c <= 'f' {
x = 16*x + rune(c) - 'a' + 10
continue
} else if 'A' <= c && c <= 'F' {
x = 16*x + rune(c) - 'A' + 10
continue
}
} else if '0' <= c && c <= '9' {
x = 10*x + rune(c) - '0'
continue
}
if c != ';' {
i--
}
break
}
if i <= 3 { // No characters matched.
b[dst] = b[src]
return dst + 1, src + 1
}
if 0x80 <= x && x <= 0x9F {
// Replace characters from Windows-1252 with UTF-8 equivalents.
x = replacementTable[x-0x80]
} else if x == 0 || (0xD800 <= x && x <= 0xDFFF) || x > 0x10FFFF {
// Replace invalid characters with the replacement character.
x = '\uFFFD'
}
return dst + utf8.EncodeRune(b[dst:], x), src + i
}
// Consume the maximum number of characters possible, with the
// consumed characters matching one of the named references.
for i < len(s) {
c := s[i]
i++
// Lower-cased characters are more common in entities, so we check for them first.
if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' {
continue
}
if c != ';' {
i--
}
break
}
entityName := string(s[1:i])
if entityName == "" {
// No-op.
} else if attribute && entityName[len(entityName)-1] != ';' && len(s) > i && s[i] == '=' {
// No-op.
} else if x := entity[entityName]; x != 0 {
return dst + utf8.EncodeRune(b[dst:], x), src + i
} else if x := entity2[entityName]; x[0] != 0 {
dst1 := dst + utf8.EncodeRune(b[dst:], x[0])
return dst1 + utf8.EncodeRune(b[dst1:], x[1]), src + i
} else if !attribute {
maxLen := len(entityName) - 1
if maxLen > longestEntityWithoutSemicolon {
maxLen = longestEntityWithoutSemicolon
}
for j := maxLen; j > 1; j-- {
if x := entity[entityName[:j]]; x != 0 {
return dst + utf8.EncodeRune(b[dst:], x), src + j + 1
}
}
}
dst1, src1 = dst+i, src+i
copy(b[dst:dst1], b[src:src1])
return dst1, src1
}
// unescape unescapes b's entities in-place, so that "a&lt;b" becomes "a<b".
// attribute should be true if parsing an attribute value.
func unescape(b []byte, attribute bool) []byte {
for i, c := range b {
if c == '&' {
dst, src := unescapeEntity(b, i, i, attribute)
for src < len(b) {
c := b[src]
if c == '&' {
dst, src = unescapeEntity(b, dst, src, attribute)
} else {
b[dst] = c
dst, src = dst+1, src+1
}
}
return b[0:dst]
}
}
return b
}
// lower lower-cases the A-Z bytes in b in-place, so that "aBc" becomes "abc".
func lower(b []byte) []byte {
for i, c := range b {
if 'A' <= c && c <= 'Z' {
b[i] = c + 'a' - 'A'
}
}
return b
}
const escapedChars = "&'<>\"\r"
func escape(w writer, s string) error {
i := strings.IndexAny(s, escapedChars)
for i != -1 {
if _, err := w.WriteString(s[:i]); err != nil {
return err
}
var esc string
switch s[i] {
case '&':
esc = "&amp;"
case '\'':
// "&#39;" is shorter than "&apos;" and apos was not in HTML until HTML5.
esc = "&#39;"
case '<':
esc = "&lt;"
case '>':
esc = "&gt;"
case '"':
// "&#34;" is shorter than "&quot;".
esc = "&#34;"
case '\r':
esc = "&#13;"
default:
panic("unrecognized escape character")
}
s = s[i+1:]
if _, err := w.WriteString(esc); err != nil {
return err
}
i = strings.IndexAny(s, escapedChars)
}
_, err := w.WriteString(s)
return err
}
// EscapeString escapes special characters like "<" to become "&lt;". It
// escapes only five such characters: <, >, &, ' and ".
// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
// always true.
func EscapeString(s string) string {
if strings.IndexAny(s, escapedChars) == -1 {
return s
}
var buf bytes.Buffer
escape(&buf, s)
return buf.String()
}
// UnescapeString unescapes entities like "&lt;" to become "<". It unescapes a
// larger range of entities than EscapeString escapes. For example, "&aacute;"
// unescapes to "á", as does "&#225;" and "&xE1;".
// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
// always true.
func UnescapeString(s string) string {
for _, c := range s {
if c == '&' {
return string(unescape([]byte(s), false))
}
}
return s
}

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@ -1,97 +0,0 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import "testing"
type unescapeTest struct {
// A short description of the test case.
desc string
// The HTML text.
html string
// The unescaped text.
unescaped string
}
var unescapeTests = []unescapeTest{
// Handle no entities.
{
"copy",
"A\ttext\nstring",
"A\ttext\nstring",
},
// Handle simple named entities.
{
"simple",
"&amp; &gt; &lt;",
"& > <",
},
// Handle hitting the end of the string.
{
"stringEnd",
"&amp &amp",
"& &",
},
// Handle entities with two codepoints.
{
"multiCodepoint",
"text &gesl; blah",
"text \u22db\ufe00 blah",
},
// Handle decimal numeric entities.
{
"decimalEntity",
"Delta = &#916; ",
"Delta = Δ ",
},
// Handle hexadecimal numeric entities.
{
"hexadecimalEntity",
"Lambda = &#x3bb; = &#X3Bb ",
"Lambda = λ = λ ",
},
// Handle numeric early termination.
{
"numericEnds",
"&# &#x &#128;43 &copy = &#169f = &#xa9",
"&# &#x €43 © = ©f = ©",
},
// Handle numeric ISO-8859-1 entity replacements.
{
"numericReplacements",
"Footnote&#x87;",
"Footnote‡",
},
}
func TestUnescape(t *testing.T) {
for _, tt := range unescapeTests {
unescaped := UnescapeString(tt.html)
if unescaped != tt.unescaped {
t.Errorf("TestUnescape %s: want %q, got %q", tt.desc, tt.unescaped, unescaped)
}
}
}
func TestUnescapeEscape(t *testing.T) {
ss := []string{
``,
`abc def`,
`a & b`,
`a&amp;b`,
`a &amp b`,
`&quot;`,
`"`,
`"<&>"`,
`&quot;&lt;&amp;&gt;&quot;`,
`3&5==1 && 0<1, "0&lt;1", a+acute=&aacute;`,
`The special characters are: <, >, &, ' and "`,
}
for _, s := range ss {
if got := UnescapeString(EscapeString(s)); got != s {
t.Errorf("got %q want %q", got, s)
}
}
}

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@ -1,40 +0,0 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This example demonstrates parsing HTML data and walking the resulting tree.
package html_test
import (
"fmt"
"log"
"strings"
"golang.org/x/net/html"
)
func ExampleParse() {
s := `<p>Links:</p><ul><li><a href="foo">Foo</a><li><a href="/bar/baz">BarBaz</a></ul>`
doc, err := html.Parse(strings.NewReader(s))
if err != nil {
log.Fatal(err)
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
for _, a := range n.Attr {
if a.Key == "href" {
fmt.Println(a.Val)
break
}
}
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(doc)
// Output:
// foo
// /bar/baz
}

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@ -1,226 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"strings"
)
func adjustAttributeNames(aa []Attribute, nameMap map[string]string) {
for i := range aa {
if newName, ok := nameMap[aa[i].Key]; ok {
aa[i].Key = newName
}
}
}
func adjustForeignAttributes(aa []Attribute) {
for i, a := range aa {
if a.Key == "" || a.Key[0] != 'x' {
continue
}
switch a.Key {
case "xlink:actuate", "xlink:arcrole", "xlink:href", "xlink:role", "xlink:show",
"xlink:title", "xlink:type", "xml:base", "xml:lang", "xml:space", "xmlns:xlink":
j := strings.Index(a.Key, ":")
aa[i].Namespace = a.Key[:j]
aa[i].Key = a.Key[j+1:]
}
}
}
func htmlIntegrationPoint(n *Node) bool {
if n.Type != ElementNode {
return false
}
switch n.Namespace {
case "math":
if n.Data == "annotation-xml" {
for _, a := range n.Attr {
if a.Key == "encoding" {
val := strings.ToLower(a.Val)
if val == "text/html" || val == "application/xhtml+xml" {
return true
}
}
}
}
case "svg":
switch n.Data {
case "desc", "foreignObject", "title":
return true
}
}
return false
}
func mathMLTextIntegrationPoint(n *Node) bool {
if n.Namespace != "math" {
return false
}
switch n.Data {
case "mi", "mo", "mn", "ms", "mtext":
return true
}
return false
}
// Section 12.2.6.5.
var breakout = map[string]bool{
"b": true,
"big": true,
"blockquote": true,
"body": true,
"br": true,
"center": true,
"code": true,
"dd": true,
"div": true,
"dl": true,
"dt": true,
"em": true,
"embed": true,
"h1": true,
"h2": true,
"h3": true,
"h4": true,
"h5": true,
"h6": true,
"head": true,
"hr": true,
"i": true,
"img": true,
"li": true,
"listing": true,
"menu": true,
"meta": true,
"nobr": true,
"ol": true,
"p": true,
"pre": true,
"ruby": true,
"s": true,
"small": true,
"span": true,
"strong": true,
"strike": true,
"sub": true,
"sup": true,
"table": true,
"tt": true,
"u": true,
"ul": true,
"var": true,
}
// Section 12.2.6.5.
var svgTagNameAdjustments = map[string]string{
"altglyph": "altGlyph",
"altglyphdef": "altGlyphDef",
"altglyphitem": "altGlyphItem",
"animatecolor": "animateColor",
"animatemotion": "animateMotion",
"animatetransform": "animateTransform",
"clippath": "clipPath",
"feblend": "feBlend",
"fecolormatrix": "feColorMatrix",
"fecomponenttransfer": "feComponentTransfer",
"fecomposite": "feComposite",
"feconvolvematrix": "feConvolveMatrix",
"fediffuselighting": "feDiffuseLighting",
"fedisplacementmap": "feDisplacementMap",
"fedistantlight": "feDistantLight",
"feflood": "feFlood",
"fefunca": "feFuncA",
"fefuncb": "feFuncB",
"fefuncg": "feFuncG",
"fefuncr": "feFuncR",
"fegaussianblur": "feGaussianBlur",
"feimage": "feImage",
"femerge": "feMerge",
"femergenode": "feMergeNode",
"femorphology": "feMorphology",
"feoffset": "feOffset",
"fepointlight": "fePointLight",
"fespecularlighting": "feSpecularLighting",
"fespotlight": "feSpotLight",
"fetile": "feTile",
"feturbulence": "feTurbulence",
"foreignobject": "foreignObject",
"glyphref": "glyphRef",
"lineargradient": "linearGradient",
"radialgradient": "radialGradient",
"textpath": "textPath",
}
// Section 12.2.6.1
var mathMLAttributeAdjustments = map[string]string{
"definitionurl": "definitionURL",
}
var svgAttributeAdjustments = map[string]string{
"attributename": "attributeName",
"attributetype": "attributeType",
"basefrequency": "baseFrequency",
"baseprofile": "baseProfile",
"calcmode": "calcMode",
"clippathunits": "clipPathUnits",
"contentscripttype": "contentScriptType",
"contentstyletype": "contentStyleType",
"diffuseconstant": "diffuseConstant",
"edgemode": "edgeMode",
"externalresourcesrequired": "externalResourcesRequired",
"filterres": "filterRes",
"filterunits": "filterUnits",
"glyphref": "glyphRef",
"gradienttransform": "gradientTransform",
"gradientunits": "gradientUnits",
"kernelmatrix": "kernelMatrix",
"kernelunitlength": "kernelUnitLength",
"keypoints": "keyPoints",
"keysplines": "keySplines",
"keytimes": "keyTimes",
"lengthadjust": "lengthAdjust",
"limitingconeangle": "limitingConeAngle",
"markerheight": "markerHeight",
"markerunits": "markerUnits",
"markerwidth": "markerWidth",
"maskcontentunits": "maskContentUnits",
"maskunits": "maskUnits",
"numoctaves": "numOctaves",
"pathlength": "pathLength",
"patterncontentunits": "patternContentUnits",
"patterntransform": "patternTransform",
"patternunits": "patternUnits",
"pointsatx": "pointsAtX",
"pointsaty": "pointsAtY",
"pointsatz": "pointsAtZ",
"preservealpha": "preserveAlpha",
"preserveaspectratio": "preserveAspectRatio",
"primitiveunits": "primitiveUnits",
"refx": "refX",
"refy": "refY",
"repeatcount": "repeatCount",
"repeatdur": "repeatDur",
"requiredextensions": "requiredExtensions",
"requiredfeatures": "requiredFeatures",
"specularconstant": "specularConstant",
"specularexponent": "specularExponent",
"spreadmethod": "spreadMethod",
"startoffset": "startOffset",
"stddeviation": "stdDeviation",
"stitchtiles": "stitchTiles",
"surfacescale": "surfaceScale",
"systemlanguage": "systemLanguage",
"tablevalues": "tableValues",
"targetx": "targetX",
"targety": "targetY",
"textlength": "textLength",
"viewbox": "viewBox",
"viewtarget": "viewTarget",
"xchannelselector": "xChannelSelector",
"ychannelselector": "yChannelSelector",
"zoomandpan": "zoomAndPan",
}

220
vendor/golang.org/x/net/html/node.go generated vendored
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@ -1,220 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"golang.org/x/net/html/atom"
)
// A NodeType is the type of a Node.
type NodeType uint32
const (
ErrorNode NodeType = iota
TextNode
DocumentNode
ElementNode
CommentNode
DoctypeNode
scopeMarkerNode
)
// Section 12.2.4.3 says "The markers are inserted when entering applet,
// object, marquee, template, td, th, and caption elements, and are used
// to prevent formatting from "leaking" into applet, object, marquee,
// template, td, th, and caption elements".
var scopeMarker = Node{Type: scopeMarkerNode}
// A Node consists of a NodeType and some Data (tag name for element nodes,
// content for text) and are part of a tree of Nodes. Element nodes may also
// have a Namespace and contain a slice of Attributes. Data is unescaped, so
// that it looks like "a<b" rather than "a&lt;b". For element nodes, DataAtom
// is the atom for Data, or zero if Data is not a known tag name.
//
// An empty Namespace implies a "http://www.w3.org/1999/xhtml" namespace.
// Similarly, "math" is short for "http://www.w3.org/1998/Math/MathML", and
// "svg" is short for "http://www.w3.org/2000/svg".
type Node struct {
Parent, FirstChild, LastChild, PrevSibling, NextSibling *Node
Type NodeType
DataAtom atom.Atom
Data string
Namespace string
Attr []Attribute
}
// InsertBefore inserts newChild as a child of n, immediately before oldChild
// in the sequence of n's children. oldChild may be nil, in which case newChild
// is appended to the end of n's children.
//
// It will panic if newChild already has a parent or siblings.
func (n *Node) InsertBefore(newChild, oldChild *Node) {
if newChild.Parent != nil || newChild.PrevSibling != nil || newChild.NextSibling != nil {
panic("html: InsertBefore called for an attached child Node")
}
var prev, next *Node
if oldChild != nil {
prev, next = oldChild.PrevSibling, oldChild
} else {
prev = n.LastChild
}
if prev != nil {
prev.NextSibling = newChild
} else {
n.FirstChild = newChild
}
if next != nil {
next.PrevSibling = newChild
} else {
n.LastChild = newChild
}
newChild.Parent = n
newChild.PrevSibling = prev
newChild.NextSibling = next
}
// AppendChild adds a node c as a child of n.
//
// It will panic if c already has a parent or siblings.
func (n *Node) AppendChild(c *Node) {
if c.Parent != nil || c.PrevSibling != nil || c.NextSibling != nil {
panic("html: AppendChild called for an attached child Node")
}
last := n.LastChild
if last != nil {
last.NextSibling = c
} else {
n.FirstChild = c
}
n.LastChild = c
c.Parent = n
c.PrevSibling = last
}
// RemoveChild removes a node c that is a child of n. Afterwards, c will have
// no parent and no siblings.
//
// It will panic if c's parent is not n.
func (n *Node) RemoveChild(c *Node) {
if c.Parent != n {
panic("html: RemoveChild called for a non-child Node")
}
if n.FirstChild == c {
n.FirstChild = c.NextSibling
}
if c.NextSibling != nil {
c.NextSibling.PrevSibling = c.PrevSibling
}
if n.LastChild == c {
n.LastChild = c.PrevSibling
}
if c.PrevSibling != nil {
c.PrevSibling.NextSibling = c.NextSibling
}
c.Parent = nil
c.PrevSibling = nil
c.NextSibling = nil
}
// reparentChildren reparents all of src's child nodes to dst.
func reparentChildren(dst, src *Node) {
for {
child := src.FirstChild
if child == nil {
break
}
src.RemoveChild(child)
dst.AppendChild(child)
}
}
// clone returns a new node with the same type, data and attributes.
// The clone has no parent, no siblings and no children.
func (n *Node) clone() *Node {
m := &Node{
Type: n.Type,
DataAtom: n.DataAtom,
Data: n.Data,
Attr: make([]Attribute, len(n.Attr)),
}
copy(m.Attr, n.Attr)
return m
}
// nodeStack is a stack of nodes.
type nodeStack []*Node
// pop pops the stack. It will panic if s is empty.
func (s *nodeStack) pop() *Node {
i := len(*s)
n := (*s)[i-1]
*s = (*s)[:i-1]
return n
}
// top returns the most recently pushed node, or nil if s is empty.
func (s *nodeStack) top() *Node {
if i := len(*s); i > 0 {
return (*s)[i-1]
}
return nil
}
// index returns the index of the top-most occurrence of n in the stack, or -1
// if n is not present.
func (s *nodeStack) index(n *Node) int {
for i := len(*s) - 1; i >= 0; i-- {
if (*s)[i] == n {
return i
}
}
return -1
}
// contains returns whether a is within s.
func (s *nodeStack) contains(a atom.Atom) bool {
for _, n := range *s {
if n.DataAtom == a {
return true
}
}
return false
}
// insert inserts a node at the given index.
func (s *nodeStack) insert(i int, n *Node) {
(*s) = append(*s, nil)
copy((*s)[i+1:], (*s)[i:])
(*s)[i] = n
}
// remove removes a node from the stack. It is a no-op if n is not present.
func (s *nodeStack) remove(n *Node) {
i := s.index(n)
if i == -1 {
return
}
copy((*s)[i:], (*s)[i+1:])
j := len(*s) - 1
(*s)[j] = nil
*s = (*s)[:j]
}
type insertionModeStack []insertionMode
func (s *insertionModeStack) pop() (im insertionMode) {
i := len(*s)
im = (*s)[i-1]
*s = (*s)[:i-1]
return im
}
func (s *insertionModeStack) top() insertionMode {
if i := len(*s); i > 0 {
return (*s)[i-1]
}
return nil
}

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@ -1,146 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"fmt"
)
// checkTreeConsistency checks that a node and its descendants are all
// consistent in their parent/child/sibling relationships.
func checkTreeConsistency(n *Node) error {
return checkTreeConsistency1(n, 0)
}
func checkTreeConsistency1(n *Node, depth int) error {
if depth == 1e4 {
return fmt.Errorf("html: tree looks like it contains a cycle")
}
if err := checkNodeConsistency(n); err != nil {
return err
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := checkTreeConsistency1(c, depth+1); err != nil {
return err
}
}
return nil
}
// checkNodeConsistency checks that a node's parent/child/sibling relationships
// are consistent.
func checkNodeConsistency(n *Node) error {
if n == nil {
return nil
}
nParent := 0
for p := n.Parent; p != nil; p = p.Parent {
nParent++
if nParent == 1e4 {
return fmt.Errorf("html: parent list looks like an infinite loop")
}
}
nForward := 0
for c := n.FirstChild; c != nil; c = c.NextSibling {
nForward++
if nForward == 1e6 {
return fmt.Errorf("html: forward list of children looks like an infinite loop")
}
if c.Parent != n {
return fmt.Errorf("html: inconsistent child/parent relationship")
}
}
nBackward := 0
for c := n.LastChild; c != nil; c = c.PrevSibling {
nBackward++
if nBackward == 1e6 {
return fmt.Errorf("html: backward list of children looks like an infinite loop")
}
if c.Parent != n {
return fmt.Errorf("html: inconsistent child/parent relationship")
}
}
if n.Parent != nil {
if n.Parent == n {
return fmt.Errorf("html: inconsistent parent relationship")
}
if n.Parent == n.FirstChild {
return fmt.Errorf("html: inconsistent parent/first relationship")
}
if n.Parent == n.LastChild {
return fmt.Errorf("html: inconsistent parent/last relationship")
}
if n.Parent == n.PrevSibling {
return fmt.Errorf("html: inconsistent parent/prev relationship")
}
if n.Parent == n.NextSibling {
return fmt.Errorf("html: inconsistent parent/next relationship")
}
parentHasNAsAChild := false
for c := n.Parent.FirstChild; c != nil; c = c.NextSibling {
if c == n {
parentHasNAsAChild = true
break
}
}
if !parentHasNAsAChild {
return fmt.Errorf("html: inconsistent parent/child relationship")
}
}
if n.PrevSibling != nil && n.PrevSibling.NextSibling != n {
return fmt.Errorf("html: inconsistent prev/next relationship")
}
if n.NextSibling != nil && n.NextSibling.PrevSibling != n {
return fmt.Errorf("html: inconsistent next/prev relationship")
}
if (n.FirstChild == nil) != (n.LastChild == nil) {
return fmt.Errorf("html: inconsistent first/last relationship")
}
if n.FirstChild != nil && n.FirstChild == n.LastChild {
// We have a sole child.
if n.FirstChild.PrevSibling != nil || n.FirstChild.NextSibling != nil {
return fmt.Errorf("html: inconsistent sole child's sibling relationship")
}
}
seen := map[*Node]bool{}
var last *Node
for c := n.FirstChild; c != nil; c = c.NextSibling {
if seen[c] {
return fmt.Errorf("html: inconsistent repeated child")
}
seen[c] = true
last = c
}
if last != n.LastChild {
return fmt.Errorf("html: inconsistent last relationship")
}
var first *Node
for c := n.LastChild; c != nil; c = c.PrevSibling {
if !seen[c] {
return fmt.Errorf("html: inconsistent missing child")
}
delete(seen, c)
first = c
}
if first != n.FirstChild {
return fmt.Errorf("html: inconsistent first relationship")
}
if len(seen) != 0 {
return fmt.Errorf("html: inconsistent forwards/backwards child list")
}
return nil
}

2311
vendor/golang.org/x/net/html/parse.go generated vendored

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@ -1,403 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bufio"
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"sort"
"strings"
"testing"
"golang.org/x/net/html/atom"
)
// readParseTest reads a single test case from r.
func readParseTest(r *bufio.Reader) (text, want, context string, err error) {
line, err := r.ReadSlice('\n')
if err != nil {
return "", "", "", err
}
var b []byte
// Read the HTML.
if string(line) != "#data\n" {
return "", "", "", fmt.Errorf(`got %q want "#data\n"`, line)
}
for {
line, err = r.ReadSlice('\n')
if err != nil {
return "", "", "", err
}
if line[0] == '#' {
break
}
b = append(b, line...)
}
text = strings.TrimSuffix(string(b), "\n")
b = b[:0]
// Skip the error list.
if string(line) != "#errors\n" {
return "", "", "", fmt.Errorf(`got %q want "#errors\n"`, line)
}
for {
line, err = r.ReadSlice('\n')
if err != nil {
return "", "", "", err
}
if line[0] == '#' {
break
}
}
if string(line) == "#document-fragment\n" {
line, err = r.ReadSlice('\n')
if err != nil {
return "", "", "", err
}
context = strings.TrimSpace(string(line))
line, err = r.ReadSlice('\n')
if err != nil {
return "", "", "", err
}
}
// Read the dump of what the parse tree should be.
if string(line) != "#document\n" {
return "", "", "", fmt.Errorf(`got %q want "#document\n"`, line)
}
inQuote := false
for {
line, err = r.ReadSlice('\n')
if err != nil && err != io.EOF {
return "", "", "", err
}
trimmed := bytes.Trim(line, "| \n")
if len(trimmed) > 0 {
if line[0] == '|' && trimmed[0] == '"' {
inQuote = true
}
if trimmed[len(trimmed)-1] == '"' && !(line[0] == '|' && len(trimmed) == 1) {
inQuote = false
}
}
if len(line) == 0 || len(line) == 1 && line[0] == '\n' && !inQuote {
break
}
b = append(b, line...)
}
return text, string(b), context, nil
}
func dumpIndent(w io.Writer, level int) {
io.WriteString(w, "| ")
for i := 0; i < level; i++ {
io.WriteString(w, " ")
}
}
type sortedAttributes []Attribute
func (a sortedAttributes) Len() int {
return len(a)
}
func (a sortedAttributes) Less(i, j int) bool {
if a[i].Namespace != a[j].Namespace {
return a[i].Namespace < a[j].Namespace
}
return a[i].Key < a[j].Key
}
func (a sortedAttributes) Swap(i, j int) {
a[i], a[j] = a[j], a[i]
}
func dumpLevel(w io.Writer, n *Node, level int) error {
dumpIndent(w, level)
level++
switch n.Type {
case ErrorNode:
return errors.New("unexpected ErrorNode")
case DocumentNode:
return errors.New("unexpected DocumentNode")
case ElementNode:
if n.Namespace != "" {
fmt.Fprintf(w, "<%s %s>", n.Namespace, n.Data)
} else {
fmt.Fprintf(w, "<%s>", n.Data)
}
attr := sortedAttributes(n.Attr)
sort.Sort(attr)
for _, a := range attr {
io.WriteString(w, "\n")
dumpIndent(w, level)
if a.Namespace != "" {
fmt.Fprintf(w, `%s %s="%s"`, a.Namespace, a.Key, a.Val)
} else {
fmt.Fprintf(w, `%s="%s"`, a.Key, a.Val)
}
}
if n.Namespace == "" && n.DataAtom == atom.Template {
io.WriteString(w, "\n")
dumpIndent(w, level)
level++
io.WriteString(w, "content")
}
case TextNode:
fmt.Fprintf(w, `"%s"`, n.Data)
case CommentNode:
fmt.Fprintf(w, "<!-- %s -->", n.Data)
case DoctypeNode:
fmt.Fprintf(w, "<!DOCTYPE %s", n.Data)
if n.Attr != nil {
var p, s string
for _, a := range n.Attr {
switch a.Key {
case "public":
p = a.Val
case "system":
s = a.Val
}
}
if p != "" || s != "" {
fmt.Fprintf(w, ` "%s"`, p)
fmt.Fprintf(w, ` "%s"`, s)
}
}
io.WriteString(w, ">")
case scopeMarkerNode:
return errors.New("unexpected scopeMarkerNode")
default:
return errors.New("unknown node type")
}
io.WriteString(w, "\n")
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := dumpLevel(w, c, level); err != nil {
return err
}
}
return nil
}
func dump(n *Node) (string, error) {
if n == nil || n.FirstChild == nil {
return "", nil
}
var b bytes.Buffer
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := dumpLevel(&b, c, 0); err != nil {
return "", err
}
}
return b.String(), nil
}
var testDataDirs = []string{"testdata/webkit/", "testdata/go/"}
func TestParser(t *testing.T) {
for _, testDataDir := range testDataDirs {
testFiles, err := filepath.Glob(testDataDir + "*.dat")
if err != nil {
t.Fatal(err)
}
for _, tf := range testFiles {
f, err := os.Open(tf)
if err != nil {
t.Fatal(err)
}
defer f.Close()
r := bufio.NewReader(f)
for i := 0; ; i++ {
text, want, context, err := readParseTest(r)
if err == io.EOF {
break
}
if err != nil {
t.Fatal(err)
}
err = testParseCase(text, want, context)
if err != nil {
t.Errorf("%s test #%d %q, %s", tf, i, text, err)
}
}
}
}
}
// testParseCase tests one test case from the test files. If the test does not
// pass, it returns an error that explains the failure.
// text is the HTML to be parsed, want is a dump of the correct parse tree,
// and context is the name of the context node, if any.
func testParseCase(text, want, context string) (err error) {
defer func() {
if x := recover(); x != nil {
switch e := x.(type) {
case error:
err = e
default:
err = fmt.Errorf("%v", e)
}
}
}()
var doc *Node
if context == "" {
doc, err = Parse(strings.NewReader(text))
if err != nil {
return err
}
} else {
contextNode := &Node{
Type: ElementNode,
DataAtom: atom.Lookup([]byte(context)),
Data: context,
}
nodes, err := ParseFragment(strings.NewReader(text), contextNode)
if err != nil {
return err
}
doc = &Node{
Type: DocumentNode,
}
for _, n := range nodes {
doc.AppendChild(n)
}
}
if err := checkTreeConsistency(doc); err != nil {
return err
}
got, err := dump(doc)
if err != nil {
return err
}
// Compare the parsed tree to the #document section.
if got != want {
return fmt.Errorf("got vs want:\n----\n%s----\n%s----", got, want)
}
if renderTestBlacklist[text] || context != "" {
return nil
}
// Check that rendering and re-parsing results in an identical tree.
pr, pw := io.Pipe()
go func() {
pw.CloseWithError(Render(pw, doc))
}()
doc1, err := Parse(pr)
if err != nil {
return err
}
got1, err := dump(doc1)
if err != nil {
return err
}
if got != got1 {
return fmt.Errorf("got vs got1:\n----\n%s----\n%s----", got, got1)
}
return nil
}
// Some test input result in parse trees are not 'well-formed' despite
// following the HTML5 recovery algorithms. Rendering and re-parsing such a
// tree will not result in an exact clone of that tree. We blacklist such
// inputs from the render test.
var renderTestBlacklist = map[string]bool{
// The second <a> will be reparented to the first <table>'s parent. This
// results in an <a> whose parent is an <a>, which is not 'well-formed'.
`<a><table><td><a><table></table><a></tr><a></table><b>X</b>C<a>Y`: true,
// The same thing with a <p>:
`<p><table></p>`: true,
// More cases of <a> being reparented:
`<a href="blah">aba<table><a href="foo">br<tr><td></td></tr>x</table>aoe`: true,
`<a><table><a></table><p><a><div><a>`: true,
`<a><table><td><a><table></table><a></tr><a></table><a>`: true,
`<template><a><table><a>`: true,
// A similar reparenting situation involving <nobr>:
`<!DOCTYPE html><body><b><nobr>1<table><nobr></b><i><nobr>2<nobr></i>3`: true,
// A <plaintext> element is reparented, putting it before a table.
// A <plaintext> element can't have anything after it in HTML.
`<table><plaintext><td>`: true,
`<!doctype html><table><plaintext></plaintext>`: true,
`<!doctype html><table><tbody><plaintext></plaintext>`: true,
`<!doctype html><table><tbody><tr><plaintext></plaintext>`: true,
// A form inside a table inside a form doesn't work either.
`<!doctype html><form><table></form><form></table></form>`: true,
// A script that ends at EOF may escape its own closing tag when rendered.
`<!doctype html><script><!--<script `: true,
`<!doctype html><script><!--<script <`: true,
`<!doctype html><script><!--<script <a`: true,
`<!doctype html><script><!--<script </`: true,
`<!doctype html><script><!--<script </s`: true,
`<!doctype html><script><!--<script </script`: true,
`<!doctype html><script><!--<script </scripta`: true,
`<!doctype html><script><!--<script -`: true,
`<!doctype html><script><!--<script -a`: true,
`<!doctype html><script><!--<script -<`: true,
`<!doctype html><script><!--<script --`: true,
`<!doctype html><script><!--<script --a`: true,
`<!doctype html><script><!--<script --<`: true,
`<script><!--<script `: true,
`<script><!--<script <a`: true,
`<script><!--<script </script`: true,
`<script><!--<script </scripta`: true,
`<script><!--<script -`: true,
`<script><!--<script -a`: true,
`<script><!--<script --`: true,
`<script><!--<script --a`: true,
`<script><!--<script <`: true,
`<script><!--<script </`: true,
`<script><!--<script </s`: true,
// Reconstructing the active formatting elements results in a <plaintext>
// element that contains an <a> element.
`<!doctype html><p><a><plaintext>b`: true,
}
func TestNodeConsistency(t *testing.T) {
// inconsistentNode is a Node whose DataAtom and Data do not agree.
inconsistentNode := &Node{
Type: ElementNode,
DataAtom: atom.Frameset,
Data: "table",
}
_, err := ParseFragment(strings.NewReader("<p>hello</p>"), inconsistentNode)
if err == nil {
t.Errorf("got nil error, want non-nil")
}
}
func TestParseFragmentWithNilContext(t *testing.T) {
// This shouldn't panic.
ParseFragment(strings.NewReader("<p>hello</p>"), nil)
}
func BenchmarkParser(b *testing.B) {
buf, err := ioutil.ReadFile("testdata/go1.html")
if err != nil {
b.Fatalf("could not read testdata/go1.html: %v", err)
}
b.SetBytes(int64(len(buf)))
runtime.GC()
b.ReportAllocs()
b.ResetTimer()
for i := 0; i < b.N; i++ {
Parse(bytes.NewBuffer(buf))
}
}

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@ -1,271 +0,0 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bufio"
"errors"
"fmt"
"io"
"strings"
)
type writer interface {
io.Writer
io.ByteWriter
WriteString(string) (int, error)
}
// Render renders the parse tree n to the given writer.
//
// Rendering is done on a 'best effort' basis: calling Parse on the output of
// Render will always result in something similar to the original tree, but it
// is not necessarily an exact clone unless the original tree was 'well-formed'.
// 'Well-formed' is not easily specified; the HTML5 specification is
// complicated.
//
// Calling Parse on arbitrary input typically results in a 'well-formed' parse
// tree. However, it is possible for Parse to yield a 'badly-formed' parse tree.
// For example, in a 'well-formed' parse tree, no <a> element is a child of
// another <a> element: parsing "<a><a>" results in two sibling elements.
// Similarly, in a 'well-formed' parse tree, no <a> element is a child of a
// <table> element: parsing "<p><table><a>" results in a <p> with two sibling
// children; the <a> is reparented to the <table>'s parent. However, calling
// Parse on "<a><table><a>" does not return an error, but the result has an <a>
// element with an <a> child, and is therefore not 'well-formed'.
//
// Programmatically constructed trees are typically also 'well-formed', but it
// is possible to construct a tree that looks innocuous but, when rendered and
// re-parsed, results in a different tree. A simple example is that a solitary
// text node would become a tree containing <html>, <head> and <body> elements.
// Another example is that the programmatic equivalent of "a<head>b</head>c"
// becomes "<html><head><head/><body>abc</body></html>".
func Render(w io.Writer, n *Node) error {
if x, ok := w.(writer); ok {
return render(x, n)
}
buf := bufio.NewWriter(w)
if err := render(buf, n); err != nil {
return err
}
return buf.Flush()
}
// plaintextAbort is returned from render1 when a <plaintext> element
// has been rendered. No more end tags should be rendered after that.
var plaintextAbort = errors.New("html: internal error (plaintext abort)")
func render(w writer, n *Node) error {
err := render1(w, n)
if err == plaintextAbort {
err = nil
}
return err
}
func render1(w writer, n *Node) error {
// Render non-element nodes; these are the easy cases.
switch n.Type {
case ErrorNode:
return errors.New("html: cannot render an ErrorNode node")
case TextNode:
return escape(w, n.Data)
case DocumentNode:
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := render1(w, c); err != nil {
return err
}
}
return nil
case ElementNode:
// No-op.
case CommentNode:
if _, err := w.WriteString("<!--"); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
if _, err := w.WriteString("-->"); err != nil {
return err
}
return nil
case DoctypeNode:
if _, err := w.WriteString("<!DOCTYPE "); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
if n.Attr != nil {
var p, s string
for _, a := range n.Attr {
switch a.Key {
case "public":
p = a.Val
case "system":
s = a.Val
}
}
if p != "" {
if _, err := w.WriteString(" PUBLIC "); err != nil {
return err
}
if err := writeQuoted(w, p); err != nil {
return err
}
if s != "" {
if err := w.WriteByte(' '); err != nil {
return err
}
if err := writeQuoted(w, s); err != nil {
return err
}
}
} else if s != "" {
if _, err := w.WriteString(" SYSTEM "); err != nil {
return err
}
if err := writeQuoted(w, s); err != nil {
return err
}
}
}
return w.WriteByte('>')
default:
return errors.New("html: unknown node type")
}
// Render the <xxx> opening tag.
if err := w.WriteByte('<'); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
for _, a := range n.Attr {
if err := w.WriteByte(' '); err != nil {
return err
}
if a.Namespace != "" {
if _, err := w.WriteString(a.Namespace); err != nil {
return err
}
if err := w.WriteByte(':'); err != nil {
return err
}
}
if _, err := w.WriteString(a.Key); err != nil {
return err
}
if _, err := w.WriteString(`="`); err != nil {
return err
}
if err := escape(w, a.Val); err != nil {
return err
}
if err := w.WriteByte('"'); err != nil {
return err
}
}
if voidElements[n.Data] {
if n.FirstChild != nil {
return fmt.Errorf("html: void element <%s> has child nodes", n.Data)
}
_, err := w.WriteString("/>")
return err
}
if err := w.WriteByte('>'); err != nil {
return err
}
// Add initial newline where there is danger of a newline beging ignored.
if c := n.FirstChild; c != nil && c.Type == TextNode && strings.HasPrefix(c.Data, "\n") {
switch n.Data {
case "pre", "listing", "textarea":
if err := w.WriteByte('\n'); err != nil {
return err
}
}
}
// Render any child nodes.
switch n.Data {
case "iframe", "noembed", "noframes", "noscript", "plaintext", "script", "style", "xmp":
for c := n.FirstChild; c != nil; c = c.NextSibling {
if c.Type == TextNode {
if _, err := w.WriteString(c.Data); err != nil {
return err
}
} else {
if err := render1(w, c); err != nil {
return err
}
}
}
if n.Data == "plaintext" {
// Don't render anything else. <plaintext> must be the
// last element in the file, with no closing tag.
return plaintextAbort
}
default:
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := render1(w, c); err != nil {
return err
}
}
}
// Render the </xxx> closing tag.
if _, err := w.WriteString("</"); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
return w.WriteByte('>')
}
// writeQuoted writes s to w surrounded by quotes. Normally it will use double
// quotes, but if s contains a double quote, it will use single quotes.
// It is used for writing the identifiers in a doctype declaration.
// In valid HTML, they can't contain both types of quotes.
func writeQuoted(w writer, s string) error {
var q byte = '"'
if strings.Contains(s, `"`) {
q = '\''
}
if err := w.WriteByte(q); err != nil {
return err
}
if _, err := w.WriteString(s); err != nil {
return err
}
if err := w.WriteByte(q); err != nil {
return err
}
return nil
}
// Section 12.1.2, "Elements", gives this list of void elements. Void elements
// are those that can't have any contents.
var voidElements = map[string]bool{
"area": true,
"base": true,
"br": true,
"col": true,
"command": true,
"embed": true,
"hr": true,
"img": true,
"input": true,
"keygen": true,
"link": true,
"meta": true,
"param": true,
"source": true,
"track": true,
"wbr": true,
}

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@ -1,156 +0,0 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bytes"
"testing"
)
func TestRenderer(t *testing.T) {
nodes := [...]*Node{
0: {
Type: ElementNode,
Data: "html",
},
1: {
Type: ElementNode,
Data: "head",
},
2: {
Type: ElementNode,
Data: "body",
},
3: {
Type: TextNode,
Data: "0<1",
},
4: {
Type: ElementNode,
Data: "p",
Attr: []Attribute{
{
Key: "id",
Val: "A",
},
{
Key: "foo",
Val: `abc"def`,
},
},
},
5: {
Type: TextNode,
Data: "2",
},
6: {
Type: ElementNode,
Data: "b",
Attr: []Attribute{
{
Key: "empty",
Val: "",
},
},
},
7: {
Type: TextNode,
Data: "3",
},
8: {
Type: ElementNode,
Data: "i",
Attr: []Attribute{
{
Key: "backslash",
Val: `\`,
},
},
},
9: {
Type: TextNode,
Data: "&4",
},
10: {
Type: TextNode,
Data: "5",
},
11: {
Type: ElementNode,
Data: "blockquote",
},
12: {
Type: ElementNode,
Data: "br",
},
13: {
Type: TextNode,
Data: "6",
},
}
// Build a tree out of those nodes, based on a textual representation.
// Only the ".\t"s are significant. The trailing HTML-like text is
// just commentary. The "0:" prefixes are for easy cross-reference with
// the nodes array.
treeAsText := [...]string{
0: `<html>`,
1: `. <head>`,
2: `. <body>`,
3: `. . "0&lt;1"`,
4: `. . <p id="A" foo="abc&#34;def">`,
5: `. . . "2"`,
6: `. . . <b empty="">`,
7: `. . . . "3"`,
8: `. . . <i backslash="\">`,
9: `. . . . "&amp;4"`,
10: `. . "5"`,
11: `. . <blockquote>`,
12: `. . <br>`,
13: `. . "6"`,
}
if len(nodes) != len(treeAsText) {
t.Fatal("len(nodes) != len(treeAsText)")
}
var stack [8]*Node
for i, line := range treeAsText {
level := 0
for line[0] == '.' {
// Strip a leading ".\t".
line = line[2:]
level++
}
n := nodes[i]
if level == 0 {
if stack[0] != nil {
t.Fatal("multiple root nodes")
}
stack[0] = n
} else {
stack[level-1].AppendChild(n)
stack[level] = n
for i := level + 1; i < len(stack); i++ {
stack[i] = nil
}
}
// At each stage of tree construction, we check all nodes for consistency.
for j, m := range nodes {
if err := checkNodeConsistency(m); err != nil {
t.Fatalf("i=%d, j=%d: %v", i, j, err)
}
}
}
want := `<html><head></head><body>0&lt;1<p id="A" foo="abc&#34;def">` +
`2<b empty="">3</b><i backslash="\">&amp;4</i></p>` +
`5<blockquote></blockquote><br/>6</body></html>`
b := new(bytes.Buffer)
if err := Render(b, nodes[0]); err != nil {
t.Fatal(err)
}
if got := b.String(); got != want {
t.Errorf("got vs want:\n%s\n%s\n", got, want)
}
}

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@ -1,37 +0,0 @@
#data
<body><template><yt-icon-button></yt-icon-button><form><paper-input></paper-input></form><style></style></template>
#errors
#document
| <html>
| <head>
| <body>
| <template>
| content
| <yt-icon-button>
| <form>
| <paper-input>
| <style>
#data
<template><tBody><isindex/action=0>
#errors
#document
| <html>
| <head>
| <template>
| content
| <tbody>
| <body>
#data
<math><template><mo><template>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math template>
| <math mo>
| <template>
| content

File diff suppressed because it is too large Load Diff

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@ -1,28 +0,0 @@
The *.dat files in this directory are copied from The WebKit Open Source
Project, specifically $WEBKITROOT/LayoutTests/html5lib/resources.
WebKit is licensed under a BSD style license.
http://webkit.org/coding/bsd-license.html says:
Copyright (C) 2009 Apple Inc. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS "AS IS" AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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@ -1,194 +0,0 @@
#data
<a><p></a></p>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <p>
| <a>
#data
<a>1<p>2</a>3</p>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <p>
| <a>
| "2"
| "3"
#data
<a>1<button>2</a>3</button>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <button>
| <a>
| "2"
| "3"
#data
<a>1<b>2</a>3</b>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <b>
| "2"
| <b>
| "3"
#data
<a>1<div>2<div>3</a>4</div>5</div>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <div>
| <a>
| "2"
| <div>
| <a>
| "3"
| "4"
| "5"
#data
<table><a>1<p>2</a>3</p>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <p>
| <a>
| "2"
| "3"
| <table>
#data
<b><b><a><p></a>
#errors
#document
| <html>
| <head>
| <body>
| <b>
| <b>
| <a>
| <p>
| <a>
#data
<b><a><b><p></a>
#errors
#document
| <html>
| <head>
| <body>
| <b>
| <a>
| <b>
| <b>
| <p>
| <a>
#data
<a><b><b><p></a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <b>
| <b>
| <b>
| <b>
| <p>
| <a>
#data
<p>1<s id="A">2<b id="B">3</p>4</s>5</b>
#errors
#document
| <html>
| <head>
| <body>
| <p>
| "1"
| <s>
| id="A"
| "2"
| <b>
| id="B"
| "3"
| <s>
| id="A"
| <b>
| id="B"
| "4"
| <b>
| id="B"
| "5"
#data
<table><a>1<td>2</td>3</table>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| "1"
| <a>
| "3"
| <table>
| <tbody>
| <tr>
| <td>
| "2"
#data
<table>A<td>B</td>C</table>
#errors
#document
| <html>
| <head>
| <body>
| "AC"
| <table>
| <tbody>
| <tr>
| <td>
| "B"
#data
<a><svg><tr><input></a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <svg svg>
| <svg tr>
| <svg input>

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@ -1,31 +0,0 @@
#data
<b>1<i>2<p>3</b>4
#errors
#document
| <html>
| <head>
| <body>
| <b>
| "1"
| <i>
| "2"
| <i>
| <p>
| <b>
| "3"
| "4"
#data
<a><div><style></style><address><a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <div>
| <a>
| <style>
| <address>
| <a>
| <a>

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@ -1,135 +0,0 @@
#data
FOO<!-- BAR -->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -->
| "BAZ"
#data
FOO<!-- BAR --!>BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -->
| "BAZ"
#data
FOO<!-- BAR -- >BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -- >BAZ -->
#data
FOO<!-- BAR -- <QUX> -- MUX -->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -- <QUX> -- MUX -->
| "BAZ"
#data
FOO<!-- BAR -- <QUX> -- MUX --!>BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -- <QUX> -- MUX -->
| "BAZ"
#data
FOO<!-- BAR -- <QUX> -- MUX -- >BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- BAR -- <QUX> -- MUX -- >BAZ -->
#data
FOO<!---->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- -->
| "BAZ"
#data
FOO<!--->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- -->
| "BAZ"
#data
FOO<!-->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- -->
| "BAZ"
#data
<?xml version="1.0">Hi
#errors
#document
| <!-- ?xml version="1.0" -->
| <html>
| <head>
| <body>
| "Hi"
#data
<?xml version="1.0">
#errors
#document
| <!-- ?xml version="1.0" -->
| <html>
| <head>
| <body>
#data
<?xml version
#errors
#document
| <!-- ?xml version -->
| <html>
| <head>
| <body>
#data
FOO<!----->BAZ
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <!-- - -->
| "BAZ"

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@ -1,370 +0,0 @@
#data
<!DOCTYPE html>Hello
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "Hello"
#data
<!dOctYpE HtMl>Hello
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPEhtml>Hello
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE>Hello
#errors
#document
| <!DOCTYPE >
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE >Hello
#errors
#document
| <!DOCTYPE >
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato >Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato taco>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato taco "ddd>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato sYstEM>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato sYstEM >Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato sYstEM ggg>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato SYSTEM taco >Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato SYSTEM 'taco"'>Hello
#errors
#document
| <!DOCTYPE potato "" "taco"">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato SYSTEM "taco">Hello
#errors
#document
| <!DOCTYPE potato "" "taco">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato SYSTEM "tai'co">Hello
#errors
#document
| <!DOCTYPE potato "" "tai'co">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato SYSTEMtaco "ddd">Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato grass SYSTEM taco>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato pUbLIc>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato pUbLIc >Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato pUbLIcgoof>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato PUBLIC goof>Hello
#errors
#document
| <!DOCTYPE potato>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato PUBLIC "go'of">Hello
#errors
#document
| <!DOCTYPE potato "go'of" "">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato PUBLIC 'go'of'>Hello
#errors
#document
| <!DOCTYPE potato "go" "">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato PUBLIC 'go:hh of' >Hello
#errors
#document
| <!DOCTYPE potato "go:hh of" "">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE potato PUBLIC "W3C-//dfdf" SYSTEM ggg>Hello
#errors
#document
| <!DOCTYPE potato "W3C-//dfdf" "">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">Hello
#errors
#document
| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE ...>Hello
#errors
#document
| <!DOCTYPE ...>
| <html>
| <head>
| <body>
| "Hello"
#data
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
#errors
#document
| <!DOCTYPE html "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
#errors
#document
| <!DOCTYPE html "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE root-element [SYSTEM OR PUBLIC FPI] "uri" [
<!-- internal declarations -->
]>
#errors
#document
| <!DOCTYPE root-element>
| <html>
| <head>
| <body>
| "]>"
#data
<!DOCTYPE html PUBLIC
"-//WAPFORUM//DTD XHTML Mobile 1.0//EN"
"http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
#errors
#document
| <!DOCTYPE html "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE HTML SYSTEM "http://www.w3.org/DTD/HTML4-strict.dtd"><body><b>Mine!</b></body>
#errors
#document
| <!DOCTYPE html "" "http://www.w3.org/DTD/HTML4-strict.dtd">
| <html>
| <head>
| <body>
| <b>
| "Mine!"
#data
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN""http://www.w3.org/TR/html4/strict.dtd">
#errors
#document
| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"'http://www.w3.org/TR/html4/strict.dtd'>
#errors
#document
| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE HTML PUBLIC"-//W3C//DTD HTML 4.01//EN"'http://www.w3.org/TR/html4/strict.dtd'>
#errors
#document
| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
| <html>
| <head>
| <body>
#data
<!DOCTYPE HTML PUBLIC'-//W3C//DTD HTML 4.01//EN''http://www.w3.org/TR/html4/strict.dtd'>
#errors
#document
| <!DOCTYPE html "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
| <html>
| <head>
| <body>

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@ -1,603 +0,0 @@
#data
FOO&gt;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO>BAR"
#data
FOO&gtBAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO>BAR"
#data
FOO&gt BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO> BAR"
#data
FOO&gt;;;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO>;;BAR"
#data
I'm &notit; I tell you
#errors
#document
| <html>
| <head>
| <body>
| "I'm ¬it; I tell you"
#data
I'm &notin; I tell you
#errors
#document
| <html>
| <head>
| <body>
| "I'm ∉ I tell you"
#data
FOO& BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO& BAR"
#data
FOO&<BAR>
#errors
#document
| <html>
| <head>
| <body>
| "FOO&"
| <bar>
#data
FOO&&&&gt;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO&&&>BAR"
#data
FOO&#41;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO)BAR"
#data
FOO&#x41;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOOABAR"
#data
FOO&#X41;BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOOABAR"
#data
FOO&#BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO&#BAR"
#data
FOO&#ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO&#ZOO"
#data
FOO&#xBAR
#errors
#document
| <html>
| <head>
| <body>
| "FOOºR"
#data
FOO&#xZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO&#xZOO"
#data
FOO&#XZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO&#XZOO"
#data
FOO&#41BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO)BAR"
#data
FOO&#x41BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO䆺R"
#data
FOO&#x41ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOAZOO"
#data
FOO&#x0000;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#x0078;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOxZOO"
#data
FOO&#x0079;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOyZOO"
#data
FOO&#x0080;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO€ZOO"
#data
FOO&#x0081;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0082;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0083;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOƒZOO"
#data
FOO&#x0084;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO„ZOO"
#data
FOO&#x0085;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO…ZOO"
#data
FOO&#x0086;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO†ZOO"
#data
FOO&#x0087;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO‡ZOO"
#data
FOO&#x0088;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOˆZOO"
#data
FOO&#x0089;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO‰ZOO"
#data
FOO&#x008A;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOŠZOO"
#data
FOO&#x008B;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x008C;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOŒZOO"
#data
FOO&#x008D;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x008E;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOŽZOO"
#data
FOO&#x008F;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0090;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0091;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0092;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0093;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO“ZOO"
#data
FOO&#x0094;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO”ZOO"
#data
FOO&#x0095;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO•ZOO"
#data
FOO&#x0096;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x0097;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO—ZOO"
#data
FOO&#x0098;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO˜ZOO"
#data
FOO&#x0099;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO™ZOO"
#data
FOO&#x009A;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOšZOO"
#data
FOO&#x009B;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x009C;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOœZOO"
#data
FOO&#x009D;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x009E;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOžZOO"
#data
FOO&#x009F;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOŸZOO"
#data
FOO&#x00A0;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO ZOO"
#data
FOO&#xD7FF;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO퟿ZOO"
#data
FOO&#xD800;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#xD801;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#xDFFE;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#xDFFF;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#xE000;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOOZOO"
#data
FOO&#x10FFFE;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO􏿾ZOO"
#data
FOO&#x1087D4;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO􈟔ZOO"
#data
FOO&#x10FFFF;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO􏿿ZOO"
#data
FOO&#x110000;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"
#data
FOO&#xFFFFFF;ZOO
#errors
#document
| <html>
| <head>
| <body>
| "FOO<4F>ZOO"

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@ -1,249 +0,0 @@
#data
<div bar="ZZ&gt;YY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ>YY"
#data
<div bar="ZZ&"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&"
#data
<div bar='ZZ&'></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&"
#data
<div bar=ZZ&></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&"
#data
<div bar="ZZ&gt=YY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&gt=YY"
#data
<div bar="ZZ&gt0YY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&gt0YY"
#data
<div bar="ZZ&gt9YY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&gt9YY"
#data
<div bar="ZZ&gtaYY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&gtaYY"
#data
<div bar="ZZ&gtZYY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&gtZYY"
#data
<div bar="ZZ&gt YY"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ> YY"
#data
<div bar="ZZ&gt"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ>"
#data
<div bar='ZZ&gt'></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ>"
#data
<div bar=ZZ&gt></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ>"
#data
<div bar="ZZ&pound_id=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ£_id=23"
#data
<div bar="ZZ&prod_id=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&prod_id=23"
#data
<div bar="ZZ&pound;_id=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ£_id=23"
#data
<div bar="ZZ&prod;_id=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ∏_id=23"
#data
<div bar="ZZ&pound=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&pound=23"
#data
<div bar="ZZ&prod=23"></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| bar="ZZ&prod=23"
#data
<div>ZZ&pound_id=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ£_id=23"
#data
<div>ZZ&prod_id=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ&prod_id=23"
#data
<div>ZZ&pound;_id=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ£_id=23"
#data
<div>ZZ&prod;_id=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ∏_id=23"
#data
<div>ZZ&pound=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ£=23"
#data
<div>ZZ&prod=23</div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| "ZZ&prod=23"

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#data
<div<div>
#errors
#document
| <html>
| <head>
| <body>
| <div<div>
#data
<div foo<bar=''>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| foo<bar=""
#data
<div foo=`bar`>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| foo="`bar`"
#data
<div \"foo=''>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| \"foo=""
#data
<a href='\nbar'></a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| href="\nbar"
#data
<!DOCTYPE html>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
#data
&lang;&rang;
#errors
#document
| <html>
| <head>
| <body>
| "⟨⟩"
#data
&apos;
#errors
#document
| <html>
| <head>
| <body>
| "'"
#data
&ImaginaryI;
#errors
#document
| <html>
| <head>
| <body>
| ""
#data
&Kopf;
#errors
#document
| <html>
| <head>
| <body>
| "𝕂"
#data
&notinva;
#errors
#document
| <html>
| <head>
| <body>
| "∉"
#data
<?import namespace="foo" implementation="#bar">
#errors
#document
| <!-- ?import namespace="foo" implementation="#bar" -->
| <html>
| <head>
| <body>
#data
<!--foo--bar-->
#errors
#document
| <!-- foo--bar -->
| <html>
| <head>
| <body>
#data
<![CDATA[x]]>
#errors
#document
| <!-- [CDATA[x]] -->
| <html>
| <head>
| <body>
#data
<textarea><!--</textarea>--></textarea>
#errors
#document
| <html>
| <head>
| <body>
| <textarea>
| "<!--"
| "-->"
#data
<textarea><!--</textarea>-->
#errors
#document
| <html>
| <head>
| <body>
| <textarea>
| "<!--"
| "-->"
#data
<style><!--</style>--></style>
#errors
#document
| <html>
| <head>
| <style>
| "<!--"
| <body>
| "-->"
#data
<style><!--</style>-->
#errors
#document
| <html>
| <head>
| <style>
| "<!--"
| <body>
| "-->"
#data
<ul><li>A </li> <li>B</li></ul>
#errors
#document
| <html>
| <head>
| <body>
| <ul>
| <li>
| "A "
| " "
| <li>
| "B"
#data
<table><form><input type=hidden><input></form><div></div></table>
#errors
#document
| <html>
| <head>
| <body>
| <input>
| <div>
| <table>
| <form>
| <input>
| type="hidden"
#data
<i>A<b>B<p></i>C</b>D
#errors
#document
| <html>
| <head>
| <body>
| <i>
| "A"
| <b>
| "B"
| <b>
| <p>
| <b>
| <i>
| "C"
| "D"
#data
<div></div>
#errors
#document
| <html>
| <head>
| <body>
| <div>
#data
<svg></svg>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
#data
<math></math>
#errors
#document
| <html>
| <head>
| <body>
| <math math>

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@ -1,43 +0,0 @@
#data
<button>1</foo>
#errors
#document
| <html>
| <head>
| <body>
| <button>
| "1"
#data
<foo>1<p>2</foo>
#errors
#document
| <html>
| <head>
| <body>
| <foo>
| "1"
| <p>
| "2"
#data
<dd>1</foo>
#errors
#document
| <html>
| <head>
| <body>
| <dd>
| "1"
#data
<foo>1<dd>2</foo>
#errors
#document
| <html>
| <head>
| <body>
| <foo>
| "1"
| <dd>
| "2"

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@ -1,40 +0,0 @@
#data
<isindex>
#errors
#document
| <html>
| <head>
| <body>
| <form>
| <hr>
| <label>
| "This is a searchable index. Enter search keywords: "
| <input>
| name="isindex"
| <hr>
#data
<isindex name="A" action="B" prompt="C" foo="D">
#errors
#document
| <html>
| <head>
| <body>
| <form>
| action="B"
| <hr>
| <label>
| "C"
| <input>
| foo="D"
| name="isindex"
| <hr>
#data
<form><isindex>
#errors
#document
| <html>
| <head>
| <body>
| <form>

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@ -1,52 +0,0 @@
#data
<input type="hidden"><frameset>
#errors
21: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
31: “frameset” start tag seen.
31: End of file seen and there were open elements.
#document
| <html>
| <head>
| <frameset>
#data
<!DOCTYPE html><table><caption><svg>foo</table>bar
#errors
47: End tag “table” did not match the name of the current open element (“svg”).
47: “table” closed but “caption” was still open.
47: End tag “table” seen, but there were open elements.
36: Unclosed element “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <svg svg>
| "foo"
| "bar"
#data
<table><tr><td><svg><desc><td></desc><circle>
#errors
7: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
30: A table cell was implicitly closed, but there were open elements.
26: Unclosed element “desc”.
20: Unclosed element “svg”.
37: Stray end tag “desc”.
45: End of file seen and there were open elements.
45: Unclosed element “circle”.
7: Unclosed element “table”.
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <svg svg>
| <svg desc>
| <td>
| <circle>

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@ -1,298 +0,0 @@
#data
<html><ruby>a<rb>b<rb></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rb>
| "b"
| <rb>
#data
<html><ruby>a<rb>b<rt></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rb>
| "b"
| <rt>
#data
<html><ruby>a<rb>b<rtc></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rb>
| "b"
| <rtc>
#data
<html><ruby>a<rb>b<rp></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rb>
| "b"
| <rp>
#data
<html><ruby>a<rb>b<span></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rb>
| "b"
| <span>
#data
<html><ruby>a<rt>b<rb></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rt>
| "b"
| <rb>
#data
<html><ruby>a<rt>b<rt></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rt>
| "b"
| <rt>
#data
<html><ruby>a<rt>b<rtc></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rt>
| "b"
| <rtc>
#data
<html><ruby>a<rt>b<rp></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rt>
| "b"
| <rp>
#data
<html><ruby>a<rt>b<span></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rt>
| "b"
| <span>
#data
<html><ruby>a<rtc>b<rb></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rtc>
| "b"
| <rb>
#data
<html><ruby>a<rtc>b<rt>c<rt>d</ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rtc>
| "b"
| <rt>
| "c"
| <rt>
| "d"
#data
<html><ruby>a<rtc>b<rtc></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rtc>
| "b"
| <rtc>
#data
<html><ruby>a<rtc>b<rp></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rtc>
| "b"
| <rp>
#data
<html><ruby>a<rtc>b<span></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rtc>
| "b"
| <span>
#data
<html><ruby>a<rp>b<rb></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rp>
| "b"
| <rb>
#data
<html><ruby>a<rp>b<rt></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rp>
| "b"
| <rt>
#data
<html><ruby>a<rp>b<rtc></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rp>
| "b"
| <rtc>
#data
<html><ruby>a<rp>b<rp></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rp>
| "b"
| <rp>
#data
<html><ruby>a<rp>b<span></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| "a"
| <rp>
| "b"
| <span>
#data
<html><ruby><rtc><ruby>a<rb>b<rt></ruby></ruby></html>
#errors
(1,6): expected-doctype-but-got-start-tag
#document
| <html>
| <head>
| <body>
| <ruby>
| <rtc>
| <ruby>
| "a"
| <rb>
| "b"
| <rt>

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@ -1,308 +0,0 @@
#data
FOO<script>'Hello'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'Hello'"
| "BAR"
#data
FOO<script></script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "BAR"
#data
FOO<script></script >BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "BAR"
#data
FOO<script></script/>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "BAR"
#data
FOO<script></script/ >BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "BAR"
#data
FOO<script type="text/plain"></scriptx>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "</scriptx>BAR"
#data
FOO<script></script foo=">" dd>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "BAR"
#data
FOO<script>'<'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<'"
| "BAR"
#data
FOO<script>'<!'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!'"
| "BAR"
#data
FOO<script>'<!-'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-'"
| "BAR"
#data
FOO<script>'<!--'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!--'"
| "BAR"
#data
FOO<script>'<!---'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!---'"
| "BAR"
#data
FOO<script>'<!-->'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-->'"
| "BAR"
#data
FOO<script>'<!-->'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-->'"
| "BAR"
#data
FOO<script>'<!-- potato'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-- potato'"
| "BAR"
#data
FOO<script>'<!-- <sCrIpt'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-- <sCrIpt'"
| "BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt>'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt>'</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt> -'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt> -'</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt> --'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt> --'</script>BAR"
#data
FOO<script>'<!-- <sCrIpt> -->'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| "'<!-- <sCrIpt> -->'"
| "BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt> --!>'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt> --!>'</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt> -- >'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt> -- >'</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt '</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt '</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt/'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt/'</script>BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt\'</script>BAR
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt\'"
| "BAR"
#data
FOO<script type="text/plain">'<!-- <sCrIpt/'</script>BAR</script>QUX
#errors
#document
| <html>
| <head>
| <body>
| "FOO"
| <script>
| type="text/plain"
| "'<!-- <sCrIpt/'</script>BAR"
| "QUX"

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@ -1,15 +0,0 @@
#data
<p><b id="A"><script>document.getElementById("A").id = "B"</script></p>TEXT</b>
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <b>
| id="B"
| <script>
| "document.getElementById("A").id = "B""
| <b>
| id="A"
| "TEXT"

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@ -1,28 +0,0 @@
#data
1<script>document.write("2")</script>3
#errors
#document
| <html>
| <head>
| <body>
| "1"
| <script>
| "document.write("2")"
| "23"
#data
1<script>document.write("<script>document.write('2')</scr"+ "ipt><script>document.write('3')</scr" + "ipt>")</script>4
#errors
#document
| <html>
| <head>
| <body>
| "1"
| <script>
| "document.write("<script>document.write('2')</scr"+ "ipt><script>document.write('3')</scr" + "ipt>")"
| <script>
| "document.write('2')"
| "2"
| <script>
| "document.write('3')"
| "34"

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@ -1,212 +0,0 @@
#data
<table><th>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <th>
#data
<table><td>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
#data
<table><col foo='bar'>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <colgroup>
| <col>
| foo="bar"
#data
<table><colgroup></html>foo
#errors
#document
| <html>
| <head>
| <body>
| "foo"
| <table>
| <colgroup>
#data
<table></table><p>foo
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <p>
| "foo"
#data
<table></body></caption></col></colgroup></html></tbody></td></tfoot></th></thead></tr><td>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
#data
<table><select><option>3</select></table>
#errors
#document
| <html>
| <head>
| <body>
| <select>
| <option>
| "3"
| <table>
#data
<table><select><table></table></select></table>
#errors
#document
| <html>
| <head>
| <body>
| <select>
| <table>
| <table>
#data
<table><select></table>
#errors
#document
| <html>
| <head>
| <body>
| <select>
| <table>
#data
<table><select><option>A<tr><td>B</td></tr></table>
#errors
#document
| <html>
| <head>
| <body>
| <select>
| <option>
| "A"
| <table>
| <tbody>
| <tr>
| <td>
| "B"
#data
<table><td></body></caption></col></colgroup></html>foo
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| "foo"
#data
<table><td>A</table>B
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| "A"
| "B"
#data
<table><tr><caption>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <caption>
#data
<table><tr></body></caption></col></colgroup></html></td></th><td>foo
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| "foo"
#data
<table><td><tr>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <tr>
#data
<table><td><button><td>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <button>
| <td>
#data
<table><tr><td><svg><desc><td>
#errors
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <svg svg>
| <svg desc>
| <td>

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@ -1,799 +0,0 @@
#data
<!DOCTYPE html><svg></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
#data
<!DOCTYPE html><svg></svg><![CDATA[a]]>
#errors
29: Bogus comment
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <!-- [CDATA[a]] -->
#data
<!DOCTYPE html><body><svg></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
#data
<!DOCTYPE html><body><select><svg></svg></select>
#errors
35: Stray “svg” start tag.
42: Stray end tag “svg”
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!DOCTYPE html><body><select><option><svg></svg></option></select>
#errors
43: Stray “svg” start tag.
50: Stray end tag “svg”
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <option>
#data
<!DOCTYPE html><body><table><svg></svg></table>
#errors
34: Start tag “svg” seen in “table”.
41: Stray end tag “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <table>
#data
<!DOCTYPE html><body><table><svg><g>foo</g></svg></table>
#errors
34: Start tag “svg” seen in “table”.
46: Stray end tag “g”.
53: Stray end tag “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <table>
#data
<!DOCTYPE html><body><table><svg><g>foo</g><g>bar</g></svg></table>
#errors
34: Start tag “svg” seen in “table”.
46: Stray end tag “g”.
58: Stray end tag “g”.
65: Stray end tag “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <table>
#data
<!DOCTYPE html><body><table><tbody><svg><g>foo</g><g>bar</g></svg></tbody></table>
#errors
41: Start tag “svg” seen in “table”.
53: Stray end tag “g”.
65: Stray end tag “g”.
72: Stray end tag “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <table>
| <tbody>
#data
<!DOCTYPE html><body><table><tbody><tr><svg><g>foo</g><g>bar</g></svg></tr></tbody></table>
#errors
45: Start tag “svg” seen in “table”.
57: Stray end tag “g”.
69: Stray end tag “g”.
76: Stray end tag “svg”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <table>
| <tbody>
| <tr>
#data
<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg></td></tr></tbody></table>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
#data
<!DOCTYPE html><body><table><tbody><tr><td><svg><g>foo</g><g>bar</g></svg><p>baz</td></tr></tbody></table>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
#data
<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g></svg><p>baz</caption></table>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
#data
<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
#errors
70: HTML start tag “p” in a foreign namespace context.
81: “table” closed but “caption” was still open.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
| <p>
| "quux"
#data
<!DOCTYPE html><body><table><caption><svg><g>foo</g><g>bar</g>baz</table><p>quux
#errors
78: “table” closed but “caption” was still open.
78: Unclosed elements on stack.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| "baz"
| <p>
| "quux"
#data
<!DOCTYPE html><body><table><colgroup><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
#errors
44: Start tag “svg” seen in “table”.
56: Stray end tag “g”.
68: Stray end tag “g”.
71: HTML start tag “p” in a foreign namespace context.
71: Start tag “p” seen in “table”.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
| <table>
| <colgroup>
| <p>
| "quux"
#data
<!DOCTYPE html><body><table><tr><td><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
#errors
50: Stray “svg” start tag.
54: Stray “g” start tag.
62: Stray end tag “g”
66: Stray “g” start tag.
74: Stray end tag “g”
77: Stray “p” start tag.
88: “table” end tag with “select” open.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <select>
| "foobarbaz"
| <p>
| "quux"
#data
<!DOCTYPE html><body><table><select><svg><g>foo</g><g>bar</g><p>baz</table><p>quux
#errors
36: Start tag “select” seen in “table”.
42: Stray “svg” start tag.
46: Stray “g” start tag.
54: Stray end tag “g”
58: Stray “g” start tag.
66: Stray end tag “g”
69: Stray “p” start tag.
80: “table” end tag with “select” open.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| "foobarbaz"
| <table>
| <p>
| "quux"
#data
<!DOCTYPE html><body></body></html><svg><g>foo</g><g>bar</g><p>baz
#errors
41: Stray “svg” start tag.
68: HTML start tag “p” in a foreign namespace context.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
#data
<!DOCTYPE html><body></body><svg><g>foo</g><g>bar</g><p>baz
#errors
34: Stray “svg” start tag.
61: HTML start tag “p” in a foreign namespace context.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg g>
| "foo"
| <svg g>
| "bar"
| <p>
| "baz"
#data
<!DOCTYPE html><frameset><svg><g></g><g></g><p><span>
#errors
31: Stray “svg” start tag.
35: Stray “g” start tag.
40: Stray end tag “g”
44: Stray “g” start tag.
49: Stray end tag “g”
52: Stray “p” start tag.
58: Stray “span” start tag.
58: End of file seen and there were open elements.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
#data
<!DOCTYPE html><frameset></frameset><svg><g></g><g></g><p><span>
#errors
42: Stray “svg” start tag.
46: Stray “g” start tag.
51: Stray end tag “g”
55: Stray “g” start tag.
60: Stray end tag “g”
63: Stray “p” start tag.
69: Stray “span” start tag.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
#data
<!DOCTYPE html><body xlink:href=foo><svg xlink:href=foo></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| xlink:href="foo"
| <svg svg>
| xlink href="foo"
#data
<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo></g></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| xlink:href="foo"
| xml:lang="en"
| <svg svg>
| <svg g>
| xlink href="foo"
| xml lang="en"
#data
<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo /></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| xlink:href="foo"
| xml:lang="en"
| <svg svg>
| <svg g>
| xlink href="foo"
| xml lang="en"
#data
<!DOCTYPE html><body xlink:href=foo xml:lang=en><svg><g xml:lang=en xlink:href=foo />bar</svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| xlink:href="foo"
| xml:lang="en"
| <svg svg>
| <svg g>
| xlink href="foo"
| xml lang="en"
| "bar"
#data
<svg></path>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
#data
<div><svg></div>a
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| "a"
#data
<div><svg><path></div>a
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| <svg path>
| "a"
#data
<div><svg><path></svg><path>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| <svg path>
| <path>
#data
<div><svg><path><foreignObject><math></div>a
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| <svg path>
| <svg foreignObject>
| <math math>
| "a"
#data
<div><svg><path><foreignObject><p></div>a
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| <svg path>
| <svg foreignObject>
| <p>
| "a"
#data
<!DOCTYPE html><svg><desc><div><svg><ul>a
#errors
40: HTML start tag “ul” in a foreign namespace context.
41: End of file in a foreign namespace context.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg desc>
| <div>
| <svg svg>
| <ul>
| "a"
#data
<!DOCTYPE html><svg><desc><svg><ul>a
#errors
35: HTML start tag “ul” in a foreign namespace context.
36: End of file in a foreign namespace context.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg desc>
| <svg svg>
| <ul>
| "a"
#data
<!DOCTYPE html><p><svg><desc><p>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <svg svg>
| <svg desc>
| <p>
#data
<!DOCTYPE html><p><svg><title><p>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <svg svg>
| <svg title>
| <p>
#data
<div><svg><path><foreignObject><p></foreignObject><p>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <svg svg>
| <svg path>
| <svg foreignObject>
| <p>
| <p>
#data
<math><mi><div><object><div><span></span></div></object></div></mi><mi>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mi>
| <div>
| <object>
| <div>
| <span>
| <math mi>
#data
<math><mi><svg><foreignObject><div><div></div></div></foreignObject></svg></mi><mi>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mi>
| <svg svg>
| <svg foreignObject>
| <div>
| <div>
| <math mi>
#data
<svg><script></script><path>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| <svg script>
| <svg path>
#data
<table><svg></svg><tr>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| <table>
| <tbody>
| <tr>
#data
<math><mi><mglyph>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mi>
| <math mglyph>
#data
<math><mi><malignmark>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mi>
| <math malignmark>
#data
<math><mo><mglyph>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mo>
| <math mglyph>
#data
<math><mo><malignmark>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mo>
| <math malignmark>
#data
<math><mn><mglyph>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mn>
| <math mglyph>
#data
<math><mn><malignmark>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mn>
| <math malignmark>
#data
<math><ms><mglyph>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math ms>
| <math mglyph>
#data
<math><ms><malignmark>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math ms>
| <math malignmark>
#data
<math><mtext><mglyph>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mtext>
| <math mglyph>
#data
<math><mtext><malignmark>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math mtext>
| <math malignmark>
#data
<math><annotation-xml><svg></svg></annotation-xml><mi>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| <svg svg>
| <math mi>
#data
<math><annotation-xml><svg><foreignObject><div><math><mi></mi></math><span></span></div></foreignObject><path></path></svg></annotation-xml><mi>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| <svg svg>
| <svg foreignObject>
| <div>
| <math math>
| <math mi>
| <span>
| <svg path>
| <math mi>
#data
<math><annotation-xml><svg><foreignObject><math><mi><svg></svg></mi><mo></mo></math><span></span></foreignObject><path></path></svg></annotation-xml><mi>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| <svg svg>
| <svg foreignObject>
| <math math>
| <math mi>
| <svg svg>
| <math mo>
| <span>
| <svg path>
| <math mi>

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@ -1,482 +0,0 @@
#data
<!DOCTYPE html><body><svg attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' contentScriptType='' contentStyleType='' diffuseConstant='' edgeMode='' externalResourcesRequired='' filterRes='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| attributeName=""
| attributeType=""
| baseFrequency=""
| baseProfile=""
| calcMode=""
| clipPathUnits=""
| contentScriptType=""
| contentStyleType=""
| diffuseConstant=""
| edgeMode=""
| externalResourcesRequired=""
| filterRes=""
| filterUnits=""
| glyphRef=""
| gradientTransform=""
| gradientUnits=""
| kernelMatrix=""
| kernelUnitLength=""
| keyPoints=""
| keySplines=""
| keyTimes=""
| lengthAdjust=""
| limitingConeAngle=""
| markerHeight=""
| markerUnits=""
| markerWidth=""
| maskContentUnits=""
| maskUnits=""
| numOctaves=""
| pathLength=""
| patternContentUnits=""
| patternTransform=""
| patternUnits=""
| pointsAtX=""
| pointsAtY=""
| pointsAtZ=""
| preserveAlpha=""
| preserveAspectRatio=""
| primitiveUnits=""
| refX=""
| refY=""
| repeatCount=""
| repeatDur=""
| requiredExtensions=""
| requiredFeatures=""
| specularConstant=""
| specularExponent=""
| spreadMethod=""
| startOffset=""
| stdDeviation=""
| stitchTiles=""
| surfaceScale=""
| systemLanguage=""
| tableValues=""
| targetX=""
| targetY=""
| textLength=""
| viewBox=""
| viewTarget=""
| xChannelSelector=""
| yChannelSelector=""
| zoomAndPan=""
#data
<!DOCTYPE html><BODY><SVG ATTRIBUTENAME='' ATTRIBUTETYPE='' BASEFREQUENCY='' BASEPROFILE='' CALCMODE='' CLIPPATHUNITS='' CONTENTSCRIPTTYPE='' CONTENTSTYLETYPE='' DIFFUSECONSTANT='' EDGEMODE='' EXTERNALRESOURCESREQUIRED='' FILTERRES='' FILTERUNITS='' GLYPHREF='' GRADIENTTRANSFORM='' GRADIENTUNITS='' KERNELMATRIX='' KERNELUNITLENGTH='' KEYPOINTS='' KEYSPLINES='' KEYTIMES='' LENGTHADJUST='' LIMITINGCONEANGLE='' MARKERHEIGHT='' MARKERUNITS='' MARKERWIDTH='' MASKCONTENTUNITS='' MASKUNITS='' NUMOCTAVES='' PATHLENGTH='' PATTERNCONTENTUNITS='' PATTERNTRANSFORM='' PATTERNUNITS='' POINTSATX='' POINTSATY='' POINTSATZ='' PRESERVEALPHA='' PRESERVEASPECTRATIO='' PRIMITIVEUNITS='' REFX='' REFY='' REPEATCOUNT='' REPEATDUR='' REQUIREDEXTENSIONS='' REQUIREDFEATURES='' SPECULARCONSTANT='' SPECULAREXPONENT='' SPREADMETHOD='' STARTOFFSET='' STDDEVIATION='' STITCHTILES='' SURFACESCALE='' SYSTEMLANGUAGE='' TABLEVALUES='' TARGETX='' TARGETY='' TEXTLENGTH='' VIEWBOX='' VIEWTARGET='' XCHANNELSELECTOR='' YCHANNELSELECTOR='' ZOOMANDPAN=''></SVG>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| attributeName=""
| attributeType=""
| baseFrequency=""
| baseProfile=""
| calcMode=""
| clipPathUnits=""
| contentScriptType=""
| contentStyleType=""
| diffuseConstant=""
| edgeMode=""
| externalResourcesRequired=""
| filterRes=""
| filterUnits=""
| glyphRef=""
| gradientTransform=""
| gradientUnits=""
| kernelMatrix=""
| kernelUnitLength=""
| keyPoints=""
| keySplines=""
| keyTimes=""
| lengthAdjust=""
| limitingConeAngle=""
| markerHeight=""
| markerUnits=""
| markerWidth=""
| maskContentUnits=""
| maskUnits=""
| numOctaves=""
| pathLength=""
| patternContentUnits=""
| patternTransform=""
| patternUnits=""
| pointsAtX=""
| pointsAtY=""
| pointsAtZ=""
| preserveAlpha=""
| preserveAspectRatio=""
| primitiveUnits=""
| refX=""
| refY=""
| repeatCount=""
| repeatDur=""
| requiredExtensions=""
| requiredFeatures=""
| specularConstant=""
| specularExponent=""
| spreadMethod=""
| startOffset=""
| stdDeviation=""
| stitchTiles=""
| surfaceScale=""
| systemLanguage=""
| tableValues=""
| targetX=""
| targetY=""
| textLength=""
| viewBox=""
| viewTarget=""
| xChannelSelector=""
| yChannelSelector=""
| zoomAndPan=""
#data
<!DOCTYPE html><body><svg attributename='' attributetype='' basefrequency='' baseprofile='' calcmode='' clippathunits='' contentscripttype='' contentstyletype='' diffuseconstant='' edgemode='' externalresourcesrequired='' filterres='' filterunits='' glyphref='' gradienttransform='' gradientunits='' kernelmatrix='' kernelunitlength='' keypoints='' keysplines='' keytimes='' lengthadjust='' limitingconeangle='' markerheight='' markerunits='' markerwidth='' maskcontentunits='' maskunits='' numoctaves='' pathlength='' patterncontentunits='' patterntransform='' patternunits='' pointsatx='' pointsaty='' pointsatz='' preservealpha='' preserveaspectratio='' primitiveunits='' refx='' refy='' repeatcount='' repeatdur='' requiredextensions='' requiredfeatures='' specularconstant='' specularexponent='' spreadmethod='' startoffset='' stddeviation='' stitchtiles='' surfacescale='' systemlanguage='' tablevalues='' targetx='' targety='' textlength='' viewbox='' viewtarget='' xchannelselector='' ychannelselector='' zoomandpan=''></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| attributeName=""
| attributeType=""
| baseFrequency=""
| baseProfile=""
| calcMode=""
| clipPathUnits=""
| contentScriptType=""
| contentStyleType=""
| diffuseConstant=""
| edgeMode=""
| externalResourcesRequired=""
| filterRes=""
| filterUnits=""
| glyphRef=""
| gradientTransform=""
| gradientUnits=""
| kernelMatrix=""
| kernelUnitLength=""
| keyPoints=""
| keySplines=""
| keyTimes=""
| lengthAdjust=""
| limitingConeAngle=""
| markerHeight=""
| markerUnits=""
| markerWidth=""
| maskContentUnits=""
| maskUnits=""
| numOctaves=""
| pathLength=""
| patternContentUnits=""
| patternTransform=""
| patternUnits=""
| pointsAtX=""
| pointsAtY=""
| pointsAtZ=""
| preserveAlpha=""
| preserveAspectRatio=""
| primitiveUnits=""
| refX=""
| refY=""
| repeatCount=""
| repeatDur=""
| requiredExtensions=""
| requiredFeatures=""
| specularConstant=""
| specularExponent=""
| spreadMethod=""
| startOffset=""
| stdDeviation=""
| stitchTiles=""
| surfaceScale=""
| systemLanguage=""
| tableValues=""
| targetX=""
| targetY=""
| textLength=""
| viewBox=""
| viewTarget=""
| xChannelSelector=""
| yChannelSelector=""
| zoomAndPan=""
#data
<!DOCTYPE html><body><math attributeName='' attributeType='' baseFrequency='' baseProfile='' calcMode='' clipPathUnits='' contentScriptType='' contentStyleType='' diffuseConstant='' edgeMode='' externalResourcesRequired='' filterRes='' filterUnits='' glyphRef='' gradientTransform='' gradientUnits='' kernelMatrix='' kernelUnitLength='' keyPoints='' keySplines='' keyTimes='' lengthAdjust='' limitingConeAngle='' markerHeight='' markerUnits='' markerWidth='' maskContentUnits='' maskUnits='' numOctaves='' pathLength='' patternContentUnits='' patternTransform='' patternUnits='' pointsAtX='' pointsAtY='' pointsAtZ='' preserveAlpha='' preserveAspectRatio='' primitiveUnits='' refX='' refY='' repeatCount='' repeatDur='' requiredExtensions='' requiredFeatures='' specularConstant='' specularExponent='' spreadMethod='' startOffset='' stdDeviation='' stitchTiles='' surfaceScale='' systemLanguage='' tableValues='' targetX='' targetY='' textLength='' viewBox='' viewTarget='' xChannelSelector='' yChannelSelector='' zoomAndPan=''></math>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <math math>
| attributename=""
| attributetype=""
| basefrequency=""
| baseprofile=""
| calcmode=""
| clippathunits=""
| contentscripttype=""
| contentstyletype=""
| diffuseconstant=""
| edgemode=""
| externalresourcesrequired=""
| filterres=""
| filterunits=""
| glyphref=""
| gradienttransform=""
| gradientunits=""
| kernelmatrix=""
| kernelunitlength=""
| keypoints=""
| keysplines=""
| keytimes=""
| lengthadjust=""
| limitingconeangle=""
| markerheight=""
| markerunits=""
| markerwidth=""
| maskcontentunits=""
| maskunits=""
| numoctaves=""
| pathlength=""
| patterncontentunits=""
| patterntransform=""
| patternunits=""
| pointsatx=""
| pointsaty=""
| pointsatz=""
| preservealpha=""
| preserveaspectratio=""
| primitiveunits=""
| refx=""
| refy=""
| repeatcount=""
| repeatdur=""
| requiredextensions=""
| requiredfeatures=""
| specularconstant=""
| specularexponent=""
| spreadmethod=""
| startoffset=""
| stddeviation=""
| stitchtiles=""
| surfacescale=""
| systemlanguage=""
| tablevalues=""
| targetx=""
| targety=""
| textlength=""
| viewbox=""
| viewtarget=""
| xchannelselector=""
| ychannelselector=""
| zoomandpan=""
#data
<!DOCTYPE html><body><svg><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg altGlyph>
| <svg altGlyphDef>
| <svg altGlyphItem>
| <svg animateColor>
| <svg animateMotion>
| <svg animateTransform>
| <svg clipPath>
| <svg feBlend>
| <svg feColorMatrix>
| <svg feComponentTransfer>
| <svg feComposite>
| <svg feConvolveMatrix>
| <svg feDiffuseLighting>
| <svg feDisplacementMap>
| <svg feDistantLight>
| <svg feFlood>
| <svg feFuncA>
| <svg feFuncB>
| <svg feFuncG>
| <svg feFuncR>
| <svg feGaussianBlur>
| <svg feImage>
| <svg feMerge>
| <svg feMergeNode>
| <svg feMorphology>
| <svg feOffset>
| <svg fePointLight>
| <svg feSpecularLighting>
| <svg feSpotLight>
| <svg feTile>
| <svg feTurbulence>
| <svg foreignObject>
| <svg glyphRef>
| <svg linearGradient>
| <svg radialGradient>
| <svg textPath>
#data
<!DOCTYPE html><body><svg><altglyph /><altglyphdef /><altglyphitem /><animatecolor /><animatemotion /><animatetransform /><clippath /><feblend /><fecolormatrix /><fecomponenttransfer /><fecomposite /><feconvolvematrix /><fediffuselighting /><fedisplacementmap /><fedistantlight /><feflood /><fefunca /><fefuncb /><fefuncg /><fefuncr /><fegaussianblur /><feimage /><femerge /><femergenode /><femorphology /><feoffset /><fepointlight /><fespecularlighting /><fespotlight /><fetile /><feturbulence /><foreignobject /><glyphref /><lineargradient /><radialgradient /><textpath /></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg altGlyph>
| <svg altGlyphDef>
| <svg altGlyphItem>
| <svg animateColor>
| <svg animateMotion>
| <svg animateTransform>
| <svg clipPath>
| <svg feBlend>
| <svg feColorMatrix>
| <svg feComponentTransfer>
| <svg feComposite>
| <svg feConvolveMatrix>
| <svg feDiffuseLighting>
| <svg feDisplacementMap>
| <svg feDistantLight>
| <svg feFlood>
| <svg feFuncA>
| <svg feFuncB>
| <svg feFuncG>
| <svg feFuncR>
| <svg feGaussianBlur>
| <svg feImage>
| <svg feMerge>
| <svg feMergeNode>
| <svg feMorphology>
| <svg feOffset>
| <svg fePointLight>
| <svg feSpecularLighting>
| <svg feSpotLight>
| <svg feTile>
| <svg feTurbulence>
| <svg foreignObject>
| <svg glyphRef>
| <svg linearGradient>
| <svg radialGradient>
| <svg textPath>
#data
<!DOCTYPE html><BODY><SVG><ALTGLYPH /><ALTGLYPHDEF /><ALTGLYPHITEM /><ANIMATECOLOR /><ANIMATEMOTION /><ANIMATETRANSFORM /><CLIPPATH /><FEBLEND /><FECOLORMATRIX /><FECOMPONENTTRANSFER /><FECOMPOSITE /><FECONVOLVEMATRIX /><FEDIFFUSELIGHTING /><FEDISPLACEMENTMAP /><FEDISTANTLIGHT /><FEFLOOD /><FEFUNCA /><FEFUNCB /><FEFUNCG /><FEFUNCR /><FEGAUSSIANBLUR /><FEIMAGE /><FEMERGE /><FEMERGENODE /><FEMORPHOLOGY /><FEOFFSET /><FEPOINTLIGHT /><FESPECULARLIGHTING /><FESPOTLIGHT /><FETILE /><FETURBULENCE /><FOREIGNOBJECT /><GLYPHREF /><LINEARGRADIENT /><RADIALGRADIENT /><TEXTPATH /></SVG>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg altGlyph>
| <svg altGlyphDef>
| <svg altGlyphItem>
| <svg animateColor>
| <svg animateMotion>
| <svg animateTransform>
| <svg clipPath>
| <svg feBlend>
| <svg feColorMatrix>
| <svg feComponentTransfer>
| <svg feComposite>
| <svg feConvolveMatrix>
| <svg feDiffuseLighting>
| <svg feDisplacementMap>
| <svg feDistantLight>
| <svg feFlood>
| <svg feFuncA>
| <svg feFuncB>
| <svg feFuncG>
| <svg feFuncR>
| <svg feGaussianBlur>
| <svg feImage>
| <svg feMerge>
| <svg feMergeNode>
| <svg feMorphology>
| <svg feOffset>
| <svg fePointLight>
| <svg feSpecularLighting>
| <svg feSpotLight>
| <svg feTile>
| <svg feTurbulence>
| <svg foreignObject>
| <svg glyphRef>
| <svg linearGradient>
| <svg radialGradient>
| <svg textPath>
#data
<!DOCTYPE html><body><math><altGlyph /><altGlyphDef /><altGlyphItem /><animateColor /><animateMotion /><animateTransform /><clipPath /><feBlend /><feColorMatrix /><feComponentTransfer /><feComposite /><feConvolveMatrix /><feDiffuseLighting /><feDisplacementMap /><feDistantLight /><feFlood /><feFuncA /><feFuncB /><feFuncG /><feFuncR /><feGaussianBlur /><feImage /><feMerge /><feMergeNode /><feMorphology /><feOffset /><fePointLight /><feSpecularLighting /><feSpotLight /><feTile /><feTurbulence /><foreignObject /><glyphRef /><linearGradient /><radialGradient /><textPath /></math>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <math math>
| <math altglyph>
| <math altglyphdef>
| <math altglyphitem>
| <math animatecolor>
| <math animatemotion>
| <math animatetransform>
| <math clippath>
| <math feblend>
| <math fecolormatrix>
| <math fecomponenttransfer>
| <math fecomposite>
| <math feconvolvematrix>
| <math fediffuselighting>
| <math fedisplacementmap>
| <math fedistantlight>
| <math feflood>
| <math fefunca>
| <math fefuncb>
| <math fefuncg>
| <math fefuncr>
| <math fegaussianblur>
| <math feimage>
| <math femerge>
| <math femergenode>
| <math femorphology>
| <math feoffset>
| <math fepointlight>
| <math fespecularlighting>
| <math fespotlight>
| <math fetile>
| <math feturbulence>
| <math foreignobject>
| <math glyphref>
| <math lineargradient>
| <math radialgradient>
| <math textpath>
#data
<!DOCTYPE html><body><svg><solidColor /></svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg solidcolor>

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@ -1,62 +0,0 @@
#data
<!DOCTYPE html><body><p>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| "foo"
| <math math>
| <math mtext>
| <i>
| "baz"
| <math annotation-xml>
| <svg svg>
| <svg desc>
| <b>
| "eggs"
| <svg g>
| <svg foreignObject>
| <p>
| "spam"
| <table>
| <tbody>
| <tr>
| <td>
| <img>
| <svg g>
| "quux"
| "bar"
#data
<!DOCTYPE html><body>foo<math><mtext><i>baz</i></mtext><annotation-xml><svg><desc><b>eggs</b></desc><g><foreignObject><P>spam<TABLE><tr><td><img></td></table></foreignObject></g><g>quux</g></svg></annotation-xml></math>bar
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "foo"
| <math math>
| <math mtext>
| <i>
| "baz"
| <math annotation-xml>
| <svg svg>
| <svg desc>
| <b>
| "eggs"
| <svg g>
| <svg foreignObject>
| <p>
| "spam"
| <table>
| <tbody>
| <tr>
| <td>
| <img>
| <svg g>
| "quux"
| "bar"

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@ -1,74 +0,0 @@
#data
<!DOCTYPE html><html><body><xyz:abc></xyz:abc>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <xyz:abc>
#data
<!DOCTYPE html><html><body><xyz:abc></xyz:abc><span></span>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <xyz:abc>
| <span>
#data
<!DOCTYPE html><html><html abc:def=gh><xyz:abc></xyz:abc>
#errors
15: Unexpected start tag html
#document
| <!DOCTYPE html>
| <html>
| abc:def="gh"
| <head>
| <body>
| <xyz:abc>
#data
<!DOCTYPE html><html xml:lang=bar><html xml:lang=foo>
#errors
15: Unexpected start tag html
#document
| <!DOCTYPE html>
| <html>
| xml:lang="bar"
| <head>
| <body>
#data
<!DOCTYPE html><html 123=456>
#errors
#document
| <!DOCTYPE html>
| <html>
| 123="456"
| <head>
| <body>
#data
<!DOCTYPE html><html 123=456><html 789=012>
#errors
#document
| <!DOCTYPE html>
| <html>
| 123="456"
| 789="012"
| <head>
| <body>
#data
<!DOCTYPE html><html><body 789=012>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| 789="012"

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@ -1,208 +0,0 @@
#data
<!DOCTYPE html><p><b><i><u></p> <p>X
#errors
Line: 1 Col: 31 Unexpected end tag (p). Ignored.
Line: 1 Col: 36 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <b>
| <i>
| <u>
| <b>
| <i>
| <u>
| " "
| <p>
| "X"
#data
<p><b><i><u></p>
<p>X
#errors
Line: 1 Col: 3 Unexpected start tag (p). Expected DOCTYPE.
Line: 1 Col: 16 Unexpected end tag (p). Ignored.
Line: 2 Col: 4 Expected closing tag. Unexpected end of file.
#document
| <html>
| <head>
| <body>
| <p>
| <b>
| <i>
| <u>
| <b>
| <i>
| <u>
| "
"
| <p>
| "X"
#data
<!doctype html></html> <head>
#errors
Line: 1 Col: 22 Unexpected end tag (html) after the (implied) root element.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| " "
#data
<!doctype html></body><meta>
#errors
Line: 1 Col: 22 Unexpected end tag (body) after the (implied) root element.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <meta>
#data
<html></html><!-- foo -->
#errors
Line: 1 Col: 6 Unexpected start tag (html). Expected DOCTYPE.
Line: 1 Col: 13 Unexpected end tag (html) after the (implied) root element.
#document
| <html>
| <head>
| <body>
| <!-- foo -->
#data
<!doctype html></body><title>X</title>
#errors
Line: 1 Col: 22 Unexpected end tag (body) after the (implied) root element.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <title>
| "X"
#data
<!doctype html><table> X<meta></table>
#errors
Line: 1 Col: 24 Unexpected non-space characters in table context caused voodoo mode.
Line: 1 Col: 30 Unexpected start tag (meta) in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| " X"
| <meta>
| <table>
#data
<!doctype html><table> x</table>
#errors
Line: 1 Col: 24 Unexpected non-space characters in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| " x"
| <table>
#data
<!doctype html><table> x </table>
#errors
Line: 1 Col: 25 Unexpected non-space characters in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| " x "
| <table>
#data
<!doctype html><table><tr> x</table>
#errors
Line: 1 Col: 28 Unexpected non-space characters in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| " x"
| <table>
| <tbody>
| <tr>
#data
<!doctype html><table>X<style> <tr>x </style> </table>
#errors
Line: 1 Col: 23 Unexpected non-space characters in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "X"
| <table>
| <style>
| " <tr>x "
| " "
#data
<!doctype html><div><table><a>foo</a> <tr><td>bar</td> </tr></table></div>
#errors
Line: 1 Col: 30 Unexpected start tag (a) in table context caused voodoo mode.
Line: 1 Col: 37 Unexpected end tag (a) in table context caused voodoo mode.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <div>
| <a>
| "foo"
| <table>
| " "
| <tbody>
| <tr>
| <td>
| "bar"
| " "
#data
<frame></frame></frame><frameset><frame><frameset><frame></frameset><noframes></frameset><noframes>
#errors
6: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
13: Stray start tag “frame”.
21: Stray end tag “frame”.
29: Stray end tag “frame”.
39: “frameset” start tag after “body” already open.
105: End of file seen inside an [R]CDATA element.
105: End of file seen and there were open elements.
XXX: These errors are wrong, please fix me!
#document
| <html>
| <head>
| <frameset>
| <frame>
| <frameset>
| <frame>
| <noframes>
| "</frameset><noframes>"
#data
<!DOCTYPE html><object></html>
#errors
1: Expected closing tag. Unexpected end of file
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <object>

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@ -1,153 +0,0 @@
#data
<!doctype html><table><tbody><select><tr>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <table>
| <tbody>
| <tr>
#data
<!doctype html><table><tr><select><td>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <table>
| <tbody>
| <tr>
| <td>
#data
<!doctype html><table><tr><td><select><td>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <select>
| <td>
#data
<!doctype html><table><tr><th><select><td>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <th>
| <select>
| <td>
#data
<!doctype html><table><caption><select><tr>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <select>
| <tbody>
| <tr>
#data
<!doctype html><select><tr>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><td>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><th>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><tbody>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><thead>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><tfoot>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><select><caption>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
#data
<!doctype html><table><tr></table>a
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| "a"

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@ -1,269 +0,0 @@
#data
<!doctype html><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
#data
<!doctype html><table><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
| <table>
#data
<!doctype html><table><tbody><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
| <table>
| <tbody>
#data
<!doctype html><table><tbody><tr><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
| <table>
| <tbody>
| <tr>
#data
<!doctype html><table><tbody><tr><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
| <table>
| <tbody>
| <tr>
#data
<!doctype html><table><td><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <plaintext>
| "</plaintext>"
#data
<!doctype html><table><caption><plaintext></plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <plaintext>
| "</plaintext>"
#data
<!doctype html><table><tr><style></script></style>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "abc"
| <table>
| <tbody>
| <tr>
| <style>
| "</script>"
#data
<!doctype html><table><tr><script></style></script>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "abc"
| <table>
| <tbody>
| <tr>
| <script>
| "</style>"
#data
<!doctype html><table><caption><style></script></style>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| <style>
| "</script>"
| "abc"
#data
<!doctype html><table><td><style></script></style>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <style>
| "</script>"
| "abc"
#data
<!doctype html><select><script></style></script>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <script>
| "</style>"
| "abc"
#data
<!doctype html><table><select><script></style></script>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <script>
| "</style>"
| "abc"
| <table>
#data
<!doctype html><table><tr><select><script></style></script>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <script>
| "</style>"
| "abc"
| <table>
| <tbody>
| <tr>
#data
<!doctype html><frameset></frameset><noframes>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
| <noframes>
| "abc"
#data
<!doctype html><frameset></frameset><noframes>abc</noframes><!--abc-->
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
| <noframes>
| "abc"
| <!-- abc -->
#data
<!doctype html><frameset></frameset></html><noframes>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
| <noframes>
| "abc"
#data
<!doctype html><frameset></frameset></html><noframes>abc</noframes><!--abc-->
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
| <noframes>
| "abc"
| <!-- abc -->
#data
<!doctype html><table><tr></tbody><tfoot>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <tfoot>
#data
<!doctype html><table><td><svg></svg>abc<td>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <svg svg>
| "abc"
| <td>

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#data
<!DOCTYPE html>Test
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "Test"
#data
<textarea>test</div>test
#errors
Line: 1 Col: 10 Unexpected start tag (textarea). Expected DOCTYPE.
Line: 1 Col: 24 Expected closing tag. Unexpected end of file.
#document
| <html>
| <head>
| <body>
| <textarea>
| "test</div>test"
#data
<table><td>
#errors
Line: 1 Col: 7 Unexpected start tag (table). Expected DOCTYPE.
Line: 1 Col: 11 Unexpected table cell start tag (td) in the table body phase.
Line: 1 Col: 11 Expected closing tag. Unexpected end of file.
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
#data
<table><td>test</tbody></table>
#errors
Line: 1 Col: 7 Unexpected start tag (table). Expected DOCTYPE.
Line: 1 Col: 11 Unexpected table cell start tag (td) in the table body phase.
#document
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| "test"
#data
<frame>test
#errors
Line: 1 Col: 7 Unexpected start tag (frame). Expected DOCTYPE.
Line: 1 Col: 7 Unexpected start tag frame. Ignored.
#document
| <html>
| <head>
| <body>
| "test"
#data
<!DOCTYPE html><frameset>test
#errors
Line: 1 Col: 29 Unepxected characters in the frameset phase. Characters ignored.
Line: 1 Col: 29 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
#data
<!DOCTYPE html><frameset><!DOCTYPE html>
#errors
Line: 1 Col: 40 Unexpected DOCTYPE. Ignored.
Line: 1 Col: 40 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <frameset>
#data
<!DOCTYPE html><font><p><b>test</font>
#errors
Line: 1 Col: 38 End tag (font) violates step 1, paragraph 3 of the adoption agency algorithm.
Line: 1 Col: 38 End tag (font) violates step 1, paragraph 3 of the adoption agency algorithm.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <font>
| <p>
| <font>
| <b>
| "test"
#data
<!DOCTYPE html><dt><div><dd>
#errors
Line: 1 Col: 28 Missing end tag (div, dt).
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <dt>
| <div>
| <dd>
#data
<script></x
#errors
Line: 1 Col: 8 Unexpected start tag (script). Expected DOCTYPE.
Line: 1 Col: 11 Unexpected end of file. Expected end tag (script).
#document
| <html>
| <head>
| <script>
| "</x"
| <body>
#data
<table><plaintext><td>
#errors
Line: 1 Col: 7 Unexpected start tag (table). Expected DOCTYPE.
Line: 1 Col: 18 Unexpected start tag (plaintext) in table context caused voodoo mode.
Line: 1 Col: 22 Unexpected end of file. Expected table content.
#document
| <html>
| <head>
| <body>
| <plaintext>
| "<td>"
| <table>
#data
<plaintext></plaintext>
#errors
Line: 1 Col: 11 Unexpected start tag (plaintext). Expected DOCTYPE.
Line: 1 Col: 23 Expected closing tag. Unexpected end of file.
#document
| <html>
| <head>
| <body>
| <plaintext>
| "</plaintext>"
#data
<!DOCTYPE html><table><tr>TEST
#errors
Line: 1 Col: 30 Unexpected non-space characters in table context caused voodoo mode.
Line: 1 Col: 30 Unexpected end of file. Expected table content.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "TEST"
| <table>
| <tbody>
| <tr>
#data
<!DOCTYPE html><body t1=1><body t2=2><body t3=3 t4=4>
#errors
Line: 1 Col: 37 Unexpected start tag (body).
Line: 1 Col: 53 Unexpected start tag (body).
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| t1="1"
| t2="2"
| t3="3"
| t4="4"
#data
</b test
#errors
Line: 1 Col: 8 Unexpected end of file in attribute name.
Line: 1 Col: 8 End tag contains unexpected attributes.
Line: 1 Col: 8 Unexpected end tag (b). Expected DOCTYPE.
Line: 1 Col: 8 Unexpected end tag (b) after the (implied) root element.
#document
| <html>
| <head>
| <body>
#data
<!DOCTYPE html></b test<b &=&amp>X
#errors
Line: 1 Col: 32 Named entity didn't end with ';'.
Line: 1 Col: 33 End tag contains unexpected attributes.
Line: 1 Col: 33 Unexpected end tag (b) after the (implied) root element.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "X"
#data
<!doctypehtml><scrIPt type=text/x-foobar;baz>X</SCRipt
#errors
Line: 1 Col: 9 No space after literal string 'DOCTYPE'.
Line: 1 Col: 54 Unexpected end of file in the tag name.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <script>
| type="text/x-foobar;baz"
| "X</SCRipt"
| <body>
#data
&
#errors
Line: 1 Col: 1 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&"
#data
&#
#errors
Line: 1 Col: 1 Numeric entity expected. Got end of file instead.
Line: 1 Col: 1 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&#"
#data
&#X
#errors
Line: 1 Col: 3 Numeric entity expected but none found.
Line: 1 Col: 3 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&#X"
#data
&#x
#errors
Line: 1 Col: 3 Numeric entity expected but none found.
Line: 1 Col: 3 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&#x"
#data
&#45
#errors
Line: 1 Col: 4 Numeric entity didn't end with ';'.
Line: 1 Col: 4 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "-"
#data
&x-test
#errors
Line: 1 Col: 1 Named entity expected. Got none.
Line: 1 Col: 1 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&x-test"
#data
<!doctypehtml><p><li>
#errors
Line: 1 Col: 9 No space after literal string 'DOCTYPE'.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <li>
#data
<!doctypehtml><p><dt>
#errors
Line: 1 Col: 9 No space after literal string 'DOCTYPE'.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <dt>
#data
<!doctypehtml><p><dd>
#errors
Line: 1 Col: 9 No space after literal string 'DOCTYPE'.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <dd>
#data
<!doctypehtml><p><form>
#errors
Line: 1 Col: 9 No space after literal string 'DOCTYPE'.
Line: 1 Col: 23 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <form>
#data
<!DOCTYPE html><p></P>X
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| "X"
#data
&AMP
#errors
Line: 1 Col: 4 Named entity didn't end with ';'.
Line: 1 Col: 4 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&"
#data
&AMp;
#errors
Line: 1 Col: 1 Named entity expected. Got none.
Line: 1 Col: 1 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "&AMp;"
#data
<!DOCTYPE html><html><head></head><body><thisISasillyTESTelementNameToMakeSureCrazyTagNamesArePARSEDcorrectLY>
#errors
Line: 1 Col: 110 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <thisisasillytestelementnametomakesurecrazytagnamesareparsedcorrectly>
#data
<!DOCTYPE html>X</body>X
#errors
Line: 1 Col: 24 Unexpected non-space characters in the after body phase.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "XX"
#data
<!DOCTYPE html><!-- X
#errors
Line: 1 Col: 21 Unexpected end of file in comment.
#document
| <!DOCTYPE html>
| <!-- X -->
| <html>
| <head>
| <body>
#data
<!DOCTYPE html><table><caption>test TEST</caption><td>test
#errors
Line: 1 Col: 54 Unexpected table cell start tag (td) in the table body phase.
Line: 1 Col: 58 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <caption>
| "test TEST"
| <tbody>
| <tr>
| <td>
| "test"
#data
<!DOCTYPE html><select><option><optgroup>
#errors
Line: 1 Col: 41 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <option>
| <optgroup>
#data
<!DOCTYPE html><select><optgroup><option></optgroup><option><select><option>
#errors
Line: 1 Col: 68 Unexpected select start tag in the select phase treated as select end tag.
Line: 1 Col: 76 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <optgroup>
| <option>
| <option>
| <option>
#data
<!DOCTYPE html><select><optgroup><option><optgroup>
#errors
Line: 1 Col: 51 Expected closing tag. Unexpected end of file.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <optgroup>
| <option>
| <optgroup>
#data
<!DOCTYPE html><datalist><option>foo</datalist>bar
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <datalist>
| <option>
| "foo"
| "bar"
#data
<!DOCTYPE html><font><input><input></font>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <font>
| <input>
| <input>
#data
<!DOCTYPE html><!-- XXX - XXX -->
#errors
#document
| <!DOCTYPE html>
| <!-- XXX - XXX -->
| <html>
| <head>
| <body>
#data
<!DOCTYPE html><!-- XXX - XXX
#errors
Line: 1 Col: 29 Unexpected end of file in comment (-)
#document
| <!DOCTYPE html>
| <!-- XXX - XXX -->
| <html>
| <head>
| <body>
#data
<!DOCTYPE html><!-- XXX - XXX - XXX -->
#errors
#document
| <!DOCTYPE html>
| <!-- XXX - XXX - XXX -->
| <html>
| <head>
| <body>
#data
<isindex test=x name=x>
#errors
Line: 1 Col: 23 Unexpected start tag (isindex). Expected DOCTYPE.
Line: 1 Col: 23 Unexpected start tag isindex. Don't use it!
#document
| <html>
| <head>
| <body>
| <form>
| <hr>
| <label>
| "This is a searchable index. Enter search keywords: "
| <input>
| name="isindex"
| test="x"
| <hr>
#data
test
test
#errors
Line: 2 Col: 4 Unexpected non-space characters. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
| "test
test"
#data
<!DOCTYPE html><body><title>test</body></title>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <title>
| "test</body>"
#data
<!DOCTYPE html><body><title>X</title><meta name=z><link rel=foo><style>
x { content:"</style" } </style>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <title>
| "X"
| <meta>
| name="z"
| <link>
| rel="foo"
| <style>
| "
x { content:"</style" } "
#data
<!DOCTYPE html><select><optgroup></optgroup></select>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <select>
| <optgroup>
#data
#errors
Line: 2 Col: 1 Unexpected End of file. Expected DOCTYPE.
#document
| <html>
| <head>
| <body>
#data
<!DOCTYPE html> <html>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
#data
<!DOCTYPE html><script>
</script> <title>x</title> </head>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <script>
| "
"
| " "
| <title>
| "x"
| " "
| <body>
#data
<!DOCTYPE html><html><body><html id=x>
#errors
Line: 1 Col: 38 html needs to be the first start tag.
#document
| <!DOCTYPE html>
| <html>
| id="x"
| <head>
| <body>
#data
<!DOCTYPE html>X</body><html id="x">
#errors
Line: 1 Col: 36 Unexpected start tag token (html) in the after body phase.
Line: 1 Col: 36 html needs to be the first start tag.
#document
| <!DOCTYPE html>
| <html>
| id="x"
| <head>
| <body>
| "X"
#data
<!DOCTYPE html><head><html id=x>
#errors
Line: 1 Col: 32 html needs to be the first start tag.
#document
| <!DOCTYPE html>
| <html>
| id="x"
| <head>
| <body>
#data
<!DOCTYPE html>X</html>X
#errors
Line: 1 Col: 24 Unexpected non-space characters in the after body phase.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "XX"
#data
<!DOCTYPE html>X</html>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "X "
#data
<!DOCTYPE html>X</html><p>X
#errors
Line: 1 Col: 26 Unexpected start tag (p).
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "X"
| <p>
| "X"
#data
<!DOCTYPE html>X<p/x/y/z>
#errors
Line: 1 Col: 19 Expected a > after the /.
Line: 1 Col: 21 Solidus (/) incorrectly placed in tag.
Line: 1 Col: 23 Solidus (/) incorrectly placed in tag.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| "X"
| <p>
| x=""
| y=""
| z=""
#data
<!DOCTYPE html><!--x--
#errors
Line: 1 Col: 22 Unexpected end of file in comment (--).
#document
| <!DOCTYPE html>
| <!-- x -->
| <html>
| <head>
| <body>
#data
<!DOCTYPE html><table><tr><td></p></table>
#errors
Line: 1 Col: 34 Unexpected end tag (p). Ignored.
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <tbody>
| <tr>
| <td>
| <p>
#data
<!DOCTYPE <!DOCTYPE HTML>><!--<!--x-->-->
#errors
Line: 1 Col: 20 Expected space or '>'. Got ''
Line: 1 Col: 25 Erroneous DOCTYPE.
Line: 1 Col: 35 Unexpected character in comment found.
#document
| <!DOCTYPE <!doctype>
| <html>
| <head>
| <body>
| ">"
| <!-- <!--x -->
| "-->"
#data
<!doctype html><div><form></form><div></div></div>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <div>
| <form>
| <div>

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@ -1,455 +0,0 @@
#data
<!doctype html><p><button><button>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <button>
#data
<!doctype html><p><button><address>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <address>
#data
<!doctype html><p><button><blockquote>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <blockquote>
#data
<!doctype html><p><button><menu>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <menu>
#data
<!doctype html><p><button><p>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <p>
#data
<!doctype html><p><button><ul>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <ul>
#data
<!doctype html><p><button><h1>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <h1>
#data
<!doctype html><p><button><h6>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <h6>
#data
<!doctype html><p><button><listing>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <listing>
#data
<!doctype html><p><button><pre>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <pre>
#data
<!doctype html><p><button><form>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <form>
#data
<!doctype html><p><button><li>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <li>
#data
<!doctype html><p><button><dd>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <dd>
#data
<!doctype html><p><button><dt>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <dt>
#data
<!doctype html><p><button><plaintext>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <plaintext>
#data
<!doctype html><p><button><table>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <table>
#data
<!doctype html><p><button><hr>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <hr>
#data
<!doctype html><p><button><xmp>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <xmp>
#data
<!doctype html><p><button></p>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <button>
| <p>
#data
<!doctype html><address><button></address>a
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <address>
| <button>
| "a"
#data
<!doctype html><address><button></address>a
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <address>
| <button>
| "a"
#data
<p><table></p>
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <p>
| <table>
#data
<!doctype html><svg>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
#data
<!doctype html><p><figcaption>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <figcaption>
#data
<!doctype html><p><summary>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <p>
| <summary>
#data
<!doctype html><form><table><form>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <form>
| <table>
#data
<!doctype html><table><form><form>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <form>
#data
<!doctype html><table><form></table><form>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <table>
| <form>
#data
<!doctype html><svg><foreignObject><p>
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg foreignObject>
| <p>
#data
<!doctype html><svg><title>abc
#errors
#document
| <!DOCTYPE html>
| <html>
| <head>
| <body>
| <svg svg>
| <svg title>
| "abc"
#data
<option><span><option>
#errors
#document
| <html>
| <head>
| <body>
| <option>
| <span>
| <option>
#data
<option><option>
#errors
#document
| <html>
| <head>
| <body>
| <option>
| <option>
#data
<math><annotation-xml><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| <div>
#data
<math><annotation-xml encoding="application/svg+xml"><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding="application/svg+xml"
| <div>
#data
<math><annotation-xml encoding="application/xhtml+xml"><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding="application/xhtml+xml"
| <div>
#data
<math><annotation-xml encoding="aPPlication/xhtmL+xMl"><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding="aPPlication/xhtmL+xMl"
| <div>
#data
<math><annotation-xml encoding="text/html"><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding="text/html"
| <div>
#data
<math><annotation-xml encoding="Text/htmL"><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding="Text/htmL"
| <div>
#data
<math><annotation-xml encoding=" text/html "><div>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| <math annotation-xml>
| encoding=" text/html "
| <div>

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@ -1,221 +0,0 @@
#data
<svg><![CDATA[foo]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "foo"
#data
<math><![CDATA[foo]]>
#errors
#document
| <html>
| <head>
| <body>
| <math math>
| "foo"
#data
<div><![CDATA[foo]]>
#errors
#document
| <html>
| <head>
| <body>
| <div>
| <!-- [CDATA[foo]] -->
#data
<svg><![CDATA[foo
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "foo"
#data
<svg><![CDATA[foo
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "foo"
#data
<svg><![CDATA[
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
#data
<svg><![CDATA[]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
#data
<svg><![CDATA[]] >]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "]] >"
#data
<svg><![CDATA[]] >]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "]] >"
#data
<svg><![CDATA[]]
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "]]"
#data
<svg><![CDATA[]
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "]"
#data
<svg><![CDATA[]>a
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "]>a"
#data
<svg><foreignObject><div><![CDATA[foo]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| <svg foreignObject>
| <div>
| <!-- [CDATA[foo]] -->
#data
<svg><![CDATA[<svg>]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>"
#data
<svg><![CDATA[</svg>a]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "</svg>a"
#data
<svg><![CDATA[<svg>a
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>a"
#data
<svg><![CDATA[</svg>a
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "</svg>a"
#data
<svg><![CDATA[<svg>]]><path>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>"
| <svg path>
#data
<svg><![CDATA[<svg>]]></path>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>"
#data
<svg><![CDATA[<svg>]]><!--path-->
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>"
| <!-- path -->
#data
<svg><![CDATA[<svg>]]>path
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<svg>path"
#data
<svg><![CDATA[<!--svg-->]]>
#errors
#document
| <html>
| <head>
| <body>
| <svg svg>
| "<!--svg-->"

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@ -1,157 +0,0 @@
#data
<a><b><big><em><strong><div>X</a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <b>
| <big>
| <em>
| <strong>
| <big>
| <em>
| <strong>
| <div>
| <a>
| "X"
#data
<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8>A</a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <b>
| <b>
| <div>
| id="1"
| <a>
| <div>
| id="2"
| <a>
| <div>
| id="3"
| <a>
| <div>
| id="4"
| <a>
| <div>
| id="5"
| <a>
| <div>
| id="6"
| <a>
| <div>
| id="7"
| <a>
| <div>
| id="8"
| <a>
| "A"
#data
<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9>A</a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <b>
| <b>
| <div>
| id="1"
| <a>
| <div>
| id="2"
| <a>
| <div>
| id="3"
| <a>
| <div>
| id="4"
| <a>
| <div>
| id="5"
| <a>
| <div>
| id="6"
| <a>
| <div>
| id="7"
| <a>
| <div>
| id="8"
| <a>
| <div>
| id="9"
| "A"
#data
<a><b><div id=1><div id=2><div id=3><div id=4><div id=5><div id=6><div id=7><div id=8><div id=9><div id=10>A</a>
#errors
#document
| <html>
| <head>
| <body>
| <a>
| <b>
| <b>
| <div>
| id="1"
| <a>
| <div>
| id="2"
| <a>
| <div>
| id="3"
| <a>
| <div>
| id="4"
| <a>
| <div>
| id="5"
| <a>
| <div>
| id="6"
| <a>
| <div>
| id="7"
| <a>
| <div>
| id="8"
| <a>
| <div>
| id="9"
| <div>
| id="10"
| "A"
#data
<cite><b><cite><i><cite><i><cite><i><div>X</b>TEST
#errors
Line: 1 Col: 6 Unexpected start tag (cite). Expected DOCTYPE.
Line: 1 Col: 46 End tag (b) violates step 1, paragraph 3 of the adoption agency algorithm.
Line: 1 Col: 50 Expected closing tag. Unexpected end of file.
#document
| <html>
| <head>
| <body>
| <cite>
| <b>
| <cite>
| <i>
| <cite>
| <i>
| <cite>
| <i>
| <i>
| <i>
| <div>
| <b>
| "X"
| "TEST"

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@ -1,155 +0,0 @@
#data
<p><font size=4><font color=red><font size=4><font size=4><font size=4><font size=4><font size=4><font color=red><p>X
#errors
3: Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.
116: Unclosed elements.
117: End of file seen and there were open elements.
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| color="red"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| color="red"
| <p>
| <font>
| color="red"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| color="red"
| "X"
#data
<p><font size=4><font size=4><font size=4><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| "X"
#data
<p><font size=4><font size=4><font size=4><font size="5"><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="5"
| <font>
| size="4"
| <p>
| <font>
| size="4"
| <font>
| size="4"
| <font>
| size="5"
| <font>
| size="4"
| "X"
#data
<p><font size=4 id=a><font size=4 id=b><font size=4><font size=4><p>X
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <font>
| id="a"
| size="4"
| <font>
| id="b"
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| <p>
| <font>
| id="a"
| size="4"
| <font>
| id="b"
| size="4"
| <font>
| size="4"
| <font>
| size="4"
| "X"
#data
<p><b id=a><b id=a><b id=a><b><object><b id=a><b id=a>X</object><p>Y
#errors
#document
| <html>
| <head>
| <body>
| <p>
| <b>
| id="a"
| <b>
| id="a"
| <b>
| id="a"
| <b>
| <object>
| <b>
| id="a"
| <b>
| id="a"
| "X"
| <p>
| <b>
| id="a"
| <b>
| id="a"
| <b>
| id="a"
| <b>
| "Y"

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