initial commit
This commit is contained in:
Eric Chiang
223
vendor/gopkg.in/square/go-jose.v2/json/bench_test.go
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vendored
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223
vendor/gopkg.in/square/go-jose.v2/json/bench_test.go
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// 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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// Large data benchmark.
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// The JSON data is a summary of agl's changes in the
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// go, webkit, and chromium open source projects.
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// We benchmark converting between the JSON form
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// and in-memory data structures.
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package json
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import (
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"bytes"
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"compress/gzip"
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"io/ioutil"
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"os"
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"strings"
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"testing"
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)
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type codeResponse struct {
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Tree *codeNode `json:"tree"`
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Username string `json:"username"`
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}
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type codeNode struct {
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Name string `json:"name"`
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Kids []*codeNode `json:"kids"`
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CLWeight float64 `json:"cl_weight"`
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Touches int `json:"touches"`
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MinT int64 `json:"min_t"`
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MaxT int64 `json:"max_t"`
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MeanT int64 `json:"mean_t"`
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}
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var codeJSON []byte
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var codeStruct codeResponse
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func codeInit() {
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f, err := os.Open("testdata/code.json.gz")
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if err != nil {
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panic(err)
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}
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defer f.Close()
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gz, err := gzip.NewReader(f)
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if err != nil {
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panic(err)
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}
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data, err := ioutil.ReadAll(gz)
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if err != nil {
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panic(err)
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}
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codeJSON = data
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if err := Unmarshal(codeJSON, &codeStruct); err != nil {
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panic("unmarshal code.json: " + err.Error())
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}
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if data, err = Marshal(&codeStruct); err != nil {
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panic("marshal code.json: " + err.Error())
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}
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if !bytes.Equal(data, codeJSON) {
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println("different lengths", len(data), len(codeJSON))
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for i := 0; i < len(data) && i < len(codeJSON); i++ {
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if data[i] != codeJSON[i] {
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println("re-marshal: changed at byte", i)
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println("orig: ", string(codeJSON[i-10:i+10]))
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println("new: ", string(data[i-10:i+10]))
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break
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}
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}
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panic("re-marshal code.json: different result")
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}
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}
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func BenchmarkCodeEncoder(b *testing.B) {
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if codeJSON == nil {
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b.StopTimer()
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codeInit()
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b.StartTimer()
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}
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enc := NewEncoder(ioutil.Discard)
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for i := 0; i < b.N; i++ {
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if err := enc.Encode(&codeStruct); err != nil {
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b.Fatal("Encode:", err)
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}
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}
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b.SetBytes(int64(len(codeJSON)))
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}
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func BenchmarkCodeMarshal(b *testing.B) {
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if codeJSON == nil {
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b.StopTimer()
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codeInit()
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b.StartTimer()
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}
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for i := 0; i < b.N; i++ {
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if _, err := Marshal(&codeStruct); err != nil {
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b.Fatal("Marshal:", err)
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}
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}
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b.SetBytes(int64(len(codeJSON)))
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}
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func BenchmarkCodeDecoder(b *testing.B) {
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if codeJSON == nil {
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b.StopTimer()
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codeInit()
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b.StartTimer()
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}
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var buf bytes.Buffer
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dec := NewDecoder(&buf)
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var r codeResponse
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for i := 0; i < b.N; i++ {
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buf.Write(codeJSON)
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// hide EOF
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buf.WriteByte('\n')
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buf.WriteByte('\n')
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buf.WriteByte('\n')
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if err := dec.Decode(&r); err != nil {
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b.Fatal("Decode:", err)
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}
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}
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b.SetBytes(int64(len(codeJSON)))
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}
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func BenchmarkDecoderStream(b *testing.B) {
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b.StopTimer()
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var buf bytes.Buffer
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dec := NewDecoder(&buf)
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buf.WriteString(`"` + strings.Repeat("x", 1000000) + `"` + "\n\n\n")
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var x interface{}
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if err := dec.Decode(&x); err != nil {
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b.Fatal("Decode:", err)
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}
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ones := strings.Repeat(" 1\n", 300000) + "\n\n\n"
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b.StartTimer()
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for i := 0; i < b.N; i++ {
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if i%300000 == 0 {
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buf.WriteString(ones)
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}
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x = nil
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if err := dec.Decode(&x); err != nil || x != 1.0 {
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b.Fatalf("Decode: %v after %d", err, i)
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}
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}
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}
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func BenchmarkCodeUnmarshal(b *testing.B) {
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if codeJSON == nil {
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b.StopTimer()
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codeInit()
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b.StartTimer()
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}
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for i := 0; i < b.N; i++ {
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var r codeResponse
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if err := Unmarshal(codeJSON, &r); err != nil {
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b.Fatal("Unmmarshal:", err)
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}
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}
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b.SetBytes(int64(len(codeJSON)))
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}
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func BenchmarkCodeUnmarshalReuse(b *testing.B) {
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if codeJSON == nil {
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b.StopTimer()
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codeInit()
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b.StartTimer()
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}
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var r codeResponse
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for i := 0; i < b.N; i++ {
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if err := Unmarshal(codeJSON, &r); err != nil {
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b.Fatal("Unmmarshal:", err)
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}
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}
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}
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func BenchmarkUnmarshalString(b *testing.B) {
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data := []byte(`"hello, world"`)
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var s string
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for i := 0; i < b.N; i++ {
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if err := Unmarshal(data, &s); err != nil {
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b.Fatal("Unmarshal:", err)
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}
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}
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}
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func BenchmarkUnmarshalFloat64(b *testing.B) {
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var f float64
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data := []byte(`3.14`)
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for i := 0; i < b.N; i++ {
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if err := Unmarshal(data, &f); err != nil {
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b.Fatal("Unmarshal:", err)
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}
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}
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}
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func BenchmarkUnmarshalInt64(b *testing.B) {
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var x int64
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data := []byte(`3`)
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for i := 0; i < b.N; i++ {
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if err := Unmarshal(data, &x); err != nil {
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b.Fatal("Unmarshal:", err)
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}
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}
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}
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func BenchmarkIssue10335(b *testing.B) {
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b.ReportAllocs()
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var s struct{}
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j := []byte(`{"a":{ }}`)
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for n := 0; n < b.N; n++ {
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if err := Unmarshal(j, &s); err != nil {
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b.Fatal(err)
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}
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}
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}
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