1// Copyright 2012 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5package parser
6
7import (
8	"go/token"
9	"io/ioutil"
10	"testing"
11)
12
13var src = readFile("parser.go")
14
15func readFile(filename string) []byte {
16	data, err := ioutil.ReadFile(filename)
17	if err != nil {
18		panic(err)
19	}
20	return data
21}
22
23func BenchmarkParse(b *testing.B) {
24	b.SetBytes(int64(len(src)))
25	for i := 0; i < b.N; i++ {
26		if _, err := ParseFile(token.NewFileSet(), "", src, ParseComments); err != nil {
27			b.Fatalf("benchmark failed due to parse error: %s", err)
28		}
29	}
30}
31