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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 JSON encoding and decoding performance.

package go1

import (

        "compress/bzip2"

        "encoding/base64"

        "encoding/json"

        "io"

        "io/ioutil"

        "strings"

        "testing"

)

var (

        jsonbytes []byte

        jsondata  JSONResponse

)

func init() {

        var r io.Reader

        r = strings.NewReader(jsonbz2_base64)

        r = base64.NewDecoder(base64.StdEncoding, r)

        r = bzip2.NewReader(r)

        b, err := ioutil.ReadAll(r)

        if err != nil {

                panic(err)

        }

        jsonbytes = b

        if err := json.Unmarshal(jsonbytes, &jsondata); err != nil {

                panic(err)

        }

        gobinit()

}

type JSONResponse struct {

        Tree     *JSONNode `json:"tree"`

        Username string    `json:"username"`

}

type JSONNode struct {

        Name     string      `json:"name"`

        Kids     []*JSONNode `json:"kids"`

        CLWeight float64     `json:"cl_weight"`

        Touches  int         `json:"touches"`

        MinT     int64       `json:"min_t"`

        MaxT     int64       `json:"max_t"`

        MeanT    int64       `json:"mean_t"`

}

func jsondec() {

        var r JSONResponse

        if err := json.Unmarshal(jsonbytes, &r); err != nil {

                panic(err)

        }

        _ = r

}

func jsonenc() {

        buf, err := json.Marshal(&jsondata)

        if err != nil {

                panic(err)

        }

        _ = buf

}

func BenchmarkJSONEncode(b *testing.B) {

        b.SetBytes(int64(len(jsonbytes)))

        for i := 0; i < b.N; i++ {

                jsonenc()

        }

}

func BenchmarkJSONDecode(b *testing.B) {

        b.SetBytes(int64(len(jsonbytes)))

        for i := 0; i < b.N; i++ {

                jsondec()

        }

}