mirror of https://github.com/golang/go.git
69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// This benchmark tests gzip and gunzip performance.
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package go1
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import (
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"bytes"
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gz "compress/gzip"
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"io"
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"testing"
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)
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func makeGunzip(jsonbytes []byte) []byte {
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return bytes.Repeat(jsonbytes, 10)
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}
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func makeGzip(jsongunz []byte) []byte {
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var buf bytes.Buffer
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c := gz.NewWriter(&buf)
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c.Write(jsongunz)
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c.Close()
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return buf.Bytes()
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}
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func gzip(jsongunz []byte) {
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c := gz.NewWriter(io.Discard)
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if _, err := c.Write(jsongunz); err != nil {
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panic(err)
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}
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if err := c.Close(); err != nil {
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panic(err)
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}
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}
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func gunzip(jsongz []byte) {
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r, err := gz.NewReader(bytes.NewBuffer(jsongz))
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if err != nil {
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panic(err)
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}
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if _, err := io.Copy(io.Discard, r); err != nil {
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panic(err)
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}
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r.Close()
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}
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func BenchmarkGzip(b *testing.B) {
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jsonbytes := makeJsonBytes()
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jsongunz := makeGunzip(jsonbytes)
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b.ResetTimer()
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b.SetBytes(int64(len(jsongunz)))
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for i := 0; i < b.N; i++ {
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gzip(jsongunz)
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}
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}
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func BenchmarkGunzip(b *testing.B) {
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jsonbytes := makeJsonBytes()
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jsongunz := makeGunzip(jsonbytes)
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jsongz := makeGzip(jsongunz)
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b.ResetTimer()
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b.SetBytes(int64(len(jsongunz)))
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for i := 0; i < b.N; i++ {
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gunzip(jsongz)
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}
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}
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