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go/test/bench/go1/template_test.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

77 lines
1.4 KiB
Go

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