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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [go.test/] [test/] [bench/] [go1/] [gob_test.go] - Blame information for rev 700

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1 700 jeremybenn 
// 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 gob encoding and decoding performance.
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package go1
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import (
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        "bytes"
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        "encoding/gob"
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        "encoding/json"
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        "io/ioutil"
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        "log"
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        "reflect"
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        "testing"
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)
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var (
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        gobbytes []byte
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        gobdata  *JSONResponse
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)
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func gobinit() {
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        // gobinit is called after json's init,
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        // because it uses jsondata.
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        gobdata = gobResponse(&jsondata)
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        var buf bytes.Buffer
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        if err := gob.NewEncoder(&buf).Encode(gobdata); err != nil {
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                panic(err)
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        }
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        gobbytes = buf.Bytes()
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        var r JSONResponse
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        if err := gob.NewDecoder(bytes.NewBuffer(gobbytes)).Decode(&r); err != nil {
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                panic(err)
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        }
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        if !reflect.DeepEqual(gobdata, &r) {
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                log.Printf("%v\n%v", jsondata, r)
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                b, _ := json.Marshal(&jsondata)
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                br, _ := json.Marshal(&r)
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                log.Printf("%s\n%s\n", b, br)
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                panic("gob: encode+decode lost data")
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        }
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}
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// gob turns [] into null, so make a copy of the data structure like that
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func gobResponse(r *JSONResponse) *JSONResponse {
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        return &JSONResponse{gobNode(r.Tree), r.Username}
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}
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func gobNode(n *JSONNode) *JSONNode {
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        n1 := new(JSONNode)
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        *n1 = *n
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        if len(n1.Kids) == 0 {
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                n1.Kids = nil
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        } else {
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                for i, k := range n1.Kids {
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                        n1.Kids[i] = gobNode(k)
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                }
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        }
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        return n1
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}
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func gobdec() {
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        if gobbytes == nil {
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                panic("gobdata not initialized")
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        }
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        var r JSONResponse
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        if err := gob.NewDecoder(bytes.NewBuffer(gobbytes)).Decode(&r); err != nil {
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                panic(err)
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        }
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        _ = r
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}
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func gobenc() {
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        if err := gob.NewEncoder(ioutil.Discard).Encode(&gobdata); err != nil {
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                panic(err)
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        }
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}
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func BenchmarkGobDecode(b *testing.B) {
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        b.SetBytes(int64(len(gobbytes)))
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        for i := 0; i < b.N; i++ {
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                gobdec()
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        }
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}
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func BenchmarkGobEncode(b *testing.B) {
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        b.SetBytes(int64(len(gobbytes)))
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        for i := 0; i < b.N; i++ {
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                gobenc()
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        }
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}

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