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go/test/bench/go1/fmt_test.go
Rob Pike 05403fa8fb go/test/bench/go1: add printf and time format tests
Also rename the go parser test to GoParse so it doesn't grab the globally useful Parse name.

R=golang-dev, dave
CC=golang-dev
https://golang.org/cl/7732044
2013-03-11 17:17:25 -07:00

69 lines
1.4 KiB
Go

// Copyright 2013 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.
package go1
// benchmark based on fmt/fmt_test.go
import (
"bytes"
"fmt"
"testing"
)
func BenchmarkFmtFprintfEmpty(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
fmt.Fprintf(&buf, "")
}
}
func BenchmarkFmtFprintfString(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "%s", "hello")
}
}
func BenchmarkFmtFprintfInt(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "%d", 5)
}
}
func BenchmarkFmtFprintfIntInt(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "%d %d", 5, 6)
}
}
func BenchmarkFmtFprintfPrefixedInt(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "This is some meaningless prefix text that needs to be scanned %d", 6)
}
}
func BenchmarkFmtFprintfFloat(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "%g", 5.23184)
}
}
func BenchmarkFmtManyArgs(b *testing.B) {
var buf bytes.Buffer
for i := 0; i < b.N; i++ {
buf.Reset()
fmt.Fprintf(&buf, "%2d/%2d/%2d %d:%d:%d %s %s\n", 3, 4, 5, 11, 12, 13, "hello", "world")
}
}