Subversion Repositories openrisc

// 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()
        }
}