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// 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"
"testing"
)
func makeGunzip(jsonbytes []byte) []byte {
return bytes.Repeat(jsonbytes, 10)
}
func makeGzip(jsongunz []byte) []byte {
var buf bytes.Buffer
c := gz.NewWriter(&buf)
c.Write(jsongunz)
c.Close()
return buf.Bytes()
}
func gzip(jsongunz []byte) {
c := gz.NewWriter(io.Discard)
if _, err := c.Write(jsongunz); err != nil {
panic(err)
}
if err := c.Close(); err != nil {
panic(err)
}
}
func gunzip(jsongz []byte) {
r, err := gz.NewReader(bytes.NewBuffer(jsongz))
if err != nil {
panic(err)
}
if _, err := io.Copy(io.Discard, r); err != nil {
panic(err)
}
r.Close()
}
func BenchmarkGzip(b *testing.B) {
jsonbytes := makeJsonBytes()
jsongunz := makeGunzip(jsonbytes)
b.ResetTimer()
b.SetBytes(int64(len(jsongunz)))
for i := 0; i < b.N; i++ {
gzip(jsongunz)
}
}
func BenchmarkGunzip(b *testing.B) {
jsonbytes := makeJsonBytes()
jsongunz := makeGunzip(jsonbytes)
jsongz := makeGzip(jsongunz)
b.ResetTimer()
b.SetBytes(int64(len(jsongunz)))
for i := 0; i < b.N; i++ {
gunzip(jsongz)
}
}
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