jypkg/github.com/SKatiyar/qr/png_test.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.

package qr

import (
	"bytes"
	"image/png"
	"io/ioutil"
	"os"
	"testing"
)

func Test2File(t *testing.T) {
	r, _ := Encode("http://www.baidu.com", L)
	fi, _ := os.OpenFile("C:\\Users\\admin\\Desktop\\2.png", os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0x666)
	fi.Write(r.PNG())
}

func TestPNG(t *testing.T) {
	c, err := Encode("http://www.baidu.com", H)
	if err != nil {
		t.Fatal(err)
	}
	pngdat := c.PNG()
	if true {
		ioutil.WriteFile("x.png", pngdat, 0666)
	}

}

func BenchmarkPNG(b *testing.B) {
	c, err := Encode("0123456789012345678901234567890123456789", L)
	if err != nil {
		panic(err)
	}
	var bytes []byte
	for i := 0; i < b.N; i++ {
		bytes = c.PNG()
	}
	b.SetBytes(int64(len(bytes)))
}

func BenchmarkImagePNG(b *testing.B) {
	c, err := Encode("0123456789012345678901234567890123456789", L)
	if err != nil {
		panic(err)
	}
	var buf bytes.Buffer
	for i := 0; i < b.N; i++ {
		buf.Reset()
		png.Encode(&buf, c.Image())
	}
	b.SetBytes(int64(buf.Len()))
}