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image/jpeg: clean up BenchmarkDecode and BenchmarkEncode to not

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refer to opacity. Those references were copy/pasted from the
image/png encoding benchmarks, which cares whether or not the
source image is opaque, but the JPEG encoder does not care.

R=r
CC=golang-dev
https://golang.org/cl/6623052
This commit is contained in:
Nigel Tao 2012-10-07 11:30:47 +11:00
parent b0c3429ac3
commit f2444f0bc1
1 changed files with 5 additions and 8 deletions
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13
src/pkg/image/jpeg/writer_test.go
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@ -171,7 +171,7 @@ func TestWriter(t *testing.T) {
}
}
func BenchmarkDecodeRGBOpaque(b *testing.B) {
func BenchmarkDecode(b *testing.B) {
b.StopTimer()
data, err := ioutil.ReadFile("../testdata/video-001.jpeg")
if err != nil {
@ -188,24 +188,21 @@ func BenchmarkDecodeRGBOpaque(b *testing.B) {
}
}
func BenchmarkEncodeRGBOpaque(b *testing.B) {
func BenchmarkEncode(b *testing.B) {
b.StopTimer()
img := image.NewRGBA(image.Rect(0, 0, 640, 480))
// Set all pixels to 0xFF alpha to force opaque mode.
bo := img.Bounds()
rnd := rand.New(rand.NewSource(123))
for y := bo.Min.Y; y < bo.Max.Y; y++ {
for x := bo.Min.X; x < bo.Max.X; x++ {
img.Set(x, y, color.RGBA{
img.SetRGBA(x, y, color.RGBA{
uint8(rnd.Intn(256)),
uint8(rnd.Intn(256)),
uint8(rnd.Intn(256)),
255})
255,
})
}
}
if !img.Opaque() {
b.Fatal("expected image to be opaque")
}
b.SetBytes(640 * 480 * 4)
b.StartTimer()
options := &Options{Quality: 90}