Imported Upstream version 2012.01.27upstream-weekly/2012.01.27

1 files changed, 69 insertions, 0 deletions

diff --git a/test/bench/go1/gzip_test.go b/test/bench/go1/gzip_test.go
new file mode 100644
index 000000000..c9eeb175f
--- /dev/null
+++ b/test/bench/go1/gzip_test.go
@@ -0,0 +1,69 @@
+// 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.
+
+// This benchmark tests gzip and gunzip performance.
+
+package go1
+
+import (
+	"bytes"
+	gz "compress/gzip"
+	"io"
+	"io/ioutil"
+	"testing"
+)
+
+var (
+	jsongunz = bytes.Repeat(jsonbytes, 10)
+	jsongz   []byte
+)
+
+func init() {
+	var buf bytes.Buffer
+	c, err := gz.NewWriter(&buf)
+	if err != nil {
+		panic(err)
+	}
+	c.Write(jsongunz)
+	c.Close()
+	jsongz = buf.Bytes()
+}
+
+func gzip() {
+	c, err := gz.NewWriter(ioutil.Discard)
+	if err != nil {
+		panic(err)
+	}
+	if _, err := c.Write(jsongunz); err != nil {
+		panic(err)
+	}
+	if err := c.Close(); err != nil {
+		panic(err)
+	}
+}
+
+func gunzip() {
+	r, err := gz.NewReader(bytes.NewBuffer(jsongz))
+	if err != nil {
+		panic(err)
+	}
+	if _, err := io.Copy(ioutil.Discard, r); err != nil {
+		panic(err)
+	}
+	r.Close()
+}
+
+func BenchmarkGzip(b *testing.B) {
+	b.SetBytes(int64(len(jsongunz)))
+	for i := 0; i < b.N; i++ {
+		gzip()
+	}
+}
+
+func BenchmarkGunzip(b *testing.B) {
+	b.SetBytes(int64(len(jsongunz)))
+	for i := 0; i < b.N; i++ {
+		gunzip()
+	}
+}