1 files changed, 81 insertions, 0 deletions
diff --git a/test/bench/go1/template_test.go b/test/bench/go1/template_test.go
new file mode 100644
index 0000000..86d96a9
--- /dev/null
+++ b/test/bench/go1/template_test.go
@@ -0,0 +1,81 @@
+// 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"
+	"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
+}
+
+func makeTemplate(jsonbytes []byte, jsondata *JSONResponse) *template.Template {
+	tmpl := template.Must(template.New("main").Parse(strings.Map(stripTabNL, tmplText)))
+
+	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")
+	}
+	return tmpl
+}
+
+func tmplexec(tmpl *template.Template, jsondata *JSONResponse) {
+	if err := tmpl.Execute(io.Discard, jsondata); err != nil {
+		panic(err)
+	}
+}
+
+func BenchmarkTemplate(b *testing.B) {
+	jsonbytes := makeJsonBytes()
+	jsondata := makeJsonData(jsonbytes)
+	tmpl := makeTemplate(jsonbytes, jsondata)
+	b.ResetTimer()
+	b.SetBytes(int64(len(jsonbytes)))
+	for i := 0; i < b.N; i++ {
+		tmplexec(tmpl, jsondata)
+	}
+}