vendor

vendor/github.com/google/certificate-transparency-go/x509/root_darwin_test.go

@@ -0,0 +1,80 @@
+// 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 x509
+
+import (
+	"runtime"
+	"testing"
+	"time"
+)
+
+func TestSystemRoots(t *testing.T) {
+	switch runtime.GOARCH {
+	case "arm", "arm64":
+		t.Skipf("skipping on %s/%s, no system root", runtime.GOOS, runtime.GOARCH)
+	}
+
+	switch runtime.GOOS {
+	case "darwin":
+		t.Skipf("skipping on %s/%s until cgo part of golang.org/issue/16532 has been implemented.", runtime.GOOS, runtime.GOARCH)
+	}
+
+	t0 := time.Now()
+	sysRoots := systemRootsPool() // actual system roots
+	sysRootsDuration := time.Since(t0)
+
+	t1 := time.Now()
+	execRoots, err := execSecurityRoots() // non-cgo roots
+	execSysRootsDuration := time.Since(t1)
+
+	if err != nil {
+		t.Fatalf("failed to read system roots: %v", err)
+	}
+
+	t.Logf("    cgo sys roots: %v", sysRootsDuration)
+	t.Logf("non-cgo sys roots: %v", execSysRootsDuration)
+
+	for _, tt := range []*CertPool{sysRoots, execRoots} {
+		if tt == nil {
+			t.Fatal("no system roots")
+		}
+		// On Mavericks, there are 212 bundled certs, at least
+		// there was at one point in time on one machine.
+		// (Maybe it was a corp laptop with extra certs?)
+		// Other OS X users report
+		// 135, 142, 145...  Let's try requiring at least 100,
+		// since this is just a sanity check.
+		t.Logf("got %d roots", len(tt.certs))
+		if want, have := 100, len(tt.certs); have < want {
+			t.Fatalf("want at least %d system roots, have %d", want, have)
+		}
+	}
+
+	// Check that the two cert pools are roughly the same;
+	// |A∩B| > max(|A|, |B|) / 2 should be a reasonably robust check.
+
+	isect := make(map[string]bool, len(sysRoots.certs))
+	for _, c := range sysRoots.certs {
+		isect[string(c.Raw)] = true
+	}
+
+	have := 0
+	for _, c := range execRoots.certs {
+		if isect[string(c.Raw)] {
+			have++
+		}
+	}
+
+	var want int
+	if nsys, nexec := len(sysRoots.certs), len(execRoots.certs); nsys > nexec {
+		want = nsys / 2
+	} else {
+		want = nexec / 2
+	}
+
+	if have < want {
+		t.Errorf("insufficient overlap between cgo and non-cgo roots; want at least %d, have %d", want, have)
+	}
+}