go-common/vendor/code.google.com/p/graphics-go/graphics/thumbnail_test.go

54 lines
1.2 KiB
Go

// Copyright 2011 The Graphics-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 graphics
import (
"code.google.com/p/graphics-go/graphics/graphicstest"
"image"
"testing"
_ "image/png"
)
func TestThumbnailGopher(t *testing.T) {
dst := image.NewRGBA(image.Rect(0, 0, 80, 80))
src, err := graphicstest.LoadImage("../testdata/gopher.png")
if err != nil {
t.Fatal(err)
}
if err := Thumbnail(dst, src); err != nil {
t.Fatal(err)
}
cmp, err := graphicstest.LoadImage("../testdata/gopher-thumb-80x80.png")
if err != nil {
t.Fatal(err)
}
err = graphicstest.ImageWithinTolerance(dst, cmp, 0)
if err != nil {
t.Error(err)
}
}
func TestThumbnailLongGopher(t *testing.T) {
dst := image.NewRGBA(image.Rect(0, 0, 50, 150))
src, err := graphicstest.LoadImage("../testdata/gopher.png")
if err != nil {
t.Fatal(err)
}
if err := Thumbnail(dst, src); err != nil {
t.Fatal(err)
}
cmp, err := graphicstest.LoadImage("../testdata/gopher-thumb-50x150.png")
if err != nil {
t.Fatal(err)
}
err = graphicstest.ImageWithinTolerance(dst, cmp, 0)
if err != nil {
t.Error(err)
}
}