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77 lines
1.4 KiB
77 lines
1.4 KiB
// 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 text/template throughput,
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// converting a large data structure with a simple template.
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package go1
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import (
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"bytes"
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"io/ioutil"
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"strings"
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"testing"
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"text/template"
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)
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// After removing \t and \n this generates identical output to
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// json.Marshal, making it easy to test for correctness.
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const tmplText = `
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{
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"tree":{{template "node" .Tree}},
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"username":"{{.Username}}"
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}
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{{define "node"}}
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{
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"name":"{{.Name}}",
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"kids":[
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{{range $i, $k := .Kids}}
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{{if $i}}
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,
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{{end}}
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{{template "node" $k}}
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{{end}}
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],
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"cl_weight":{{.CLWeight}},
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"touches":{{.Touches}},
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"min_t":{{.MinT}},
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"max_t":{{.MaxT}},
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"mean_t":{{.MeanT}}
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}
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{{end}}
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`
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func stripTabNL(r rune) rune {
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if r == '\t' || r == '\n' {
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return -1
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}
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return r
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}
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var tmpl = template.Must(template.New("main").Parse(strings.Map(stripTabNL, tmplText)))
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func init() {
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var buf bytes.Buffer
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if err := tmpl.Execute(&buf, &jsondata); err != nil {
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panic(err)
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}
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if !bytes.Equal(buf.Bytes(), jsonbytes) {
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println(buf.Len(), len(jsonbytes))
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panic("wrong output")
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}
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}
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func tmplexec() {
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if err := tmpl.Execute(ioutil.Discard, &jsondata); err != nil {
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panic(err)
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}
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}
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func BenchmarkTemplate(b *testing.B) {
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b.SetBytes(int64(len(jsonbytes)))
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for i := 0; i < b.N; i++ {
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tmplexec()
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}
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}
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