ceph-csi/vendor/github.com/gogo/protobuf/io/io_test.go

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2018-12-19 14:29:25 +00:00
// Protocol Buffers for Go with Gadgets
//
// Copyright (c) 2013, The GoGo Authors. All rights reserved.
// http://github.com/gogo/protobuf
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
// OWNER OR 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.
package io_test
import (
"bytes"
"encoding/binary"
"github.com/gogo/protobuf/io"
"github.com/gogo/protobuf/test"
goio "io"
"math/rand"
"testing"
"time"
)
func iotest(writer io.WriteCloser, reader io.ReadCloser) error {
size := 1000
msgs := make([]*test.NinOptNative, size)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
for i := range msgs {
msgs[i] = test.NewPopulatedNinOptNative(r, true)
//issue 31
if i == 5 {
msgs[i] = &test.NinOptNative{}
}
//issue 31
if i == 999 {
msgs[i] = &test.NinOptNative{}
}
err := writer.WriteMsg(msgs[i])
if err != nil {
return err
}
}
if err := writer.Close(); err != nil {
return err
}
i := 0
for {
msg := &test.NinOptNative{}
if err := reader.ReadMsg(msg); err != nil {
if err == goio.EOF {
break
}
return err
}
if err := msg.VerboseEqual(msgs[i]); err != nil {
return err
}
i++
}
if i != size {
panic("not enough messages read")
}
if err := reader.Close(); err != nil {
return err
}
return nil
}
type buffer struct {
*bytes.Buffer
closed bool
}
func (this *buffer) Close() error {
this.closed = true
return nil
}
func newBuffer() *buffer {
return &buffer{bytes.NewBuffer(nil), false}
}
func TestBigUint32Normal(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.BigEndian)
reader := io.NewUint32DelimitedReader(buf, binary.BigEndian, 1024*1024)
if err := iotest(writer, reader); err != nil {
t.Error(err)
}
if !buf.closed {
t.Fatalf("did not close buffer")
}
}
func TestBigUint32MaxSize(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.BigEndian)
reader := io.NewUint32DelimitedReader(buf, binary.BigEndian, 20)
if err := iotest(writer, reader); err != goio.ErrShortBuffer {
t.Error(err)
} else {
t.Logf("%s", err)
}
}
func TestLittleUint32Normal(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian)
reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 1024*1024)
if err := iotest(writer, reader); err != nil {
t.Error(err)
}
if !buf.closed {
t.Fatalf("did not close buffer")
}
}
func TestLittleUint32MaxSize(t *testing.T) {
buf := newBuffer()
writer := io.NewUint32DelimitedWriter(buf, binary.LittleEndian)
reader := io.NewUint32DelimitedReader(buf, binary.LittleEndian, 20)
if err := iotest(writer, reader); err != goio.ErrShortBuffer {
t.Error(err)
} else {
t.Logf("%s", err)
}
}
func TestVarintNormal(t *testing.T) {
buf := newBuffer()
writer := io.NewDelimitedWriter(buf)
reader := io.NewDelimitedReader(buf, 1024*1024)
if err := iotest(writer, reader); err != nil {
t.Error(err)
}
if !buf.closed {
t.Fatalf("did not close buffer")
}
}
func TestVarintNoClose(t *testing.T) {
buf := bytes.NewBuffer(nil)
writer := io.NewDelimitedWriter(buf)
reader := io.NewDelimitedReader(buf, 1024*1024)
if err := iotest(writer, reader); err != nil {
t.Error(err)
}
}
//issue 32
func TestVarintMaxSize(t *testing.T) {
buf := newBuffer()
writer := io.NewDelimitedWriter(buf)
reader := io.NewDelimitedReader(buf, 20)
if err := iotest(writer, reader); err != goio.ErrShortBuffer {
t.Error(err)
} else {
t.Logf("%s", err)
}
}
func TestVarintError(t *testing.T) {
buf := newBuffer()
buf.Write([]byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x7f})
reader := io.NewDelimitedReader(buf, 1024*1024)
msg := &test.NinOptNative{}
err := reader.ReadMsg(msg)
if err == nil {
t.Fatalf("Expected error")
}
}
func TestFull(t *testing.T) {
buf := newBuffer()
writer := io.NewFullWriter(buf)
reader := io.NewFullReader(buf, 1024*1024)
r := rand.New(rand.NewSource(time.Now().UnixNano()))
msgIn := test.NewPopulatedNinOptNative(r, true)
if err := writer.WriteMsg(msgIn); err != nil {
panic(err)
}
if err := writer.Close(); err != nil {
panic(err)
}
msgOut := &test.NinOptNative{}
if err := reader.ReadMsg(msgOut); err != nil {
panic(err)
}
if err := msgIn.VerboseEqual(msgOut); err != nil {
panic(err)
}
if err := reader.ReadMsg(msgOut); err != nil {
if err != goio.EOF {
panic(err)
}
}
if err := reader.Close(); err != nil {
panic(err)
}
if !buf.closed {
t.Fatalf("did not close buffer")
}
}