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ebiten: Improve TestImageColorMCopy to test copying actually works

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This commit is contained in:
Hajime Hoshi 2020-06-25 22:49:37 +09:00
parent 198621404f
commit 5c4740c294
1 changed files with 2 additions and 2 deletions
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4
image_test.go
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@ -2181,14 +2181,14 @@ func TestImageColorMCopy(t *testing.T) {
for k := 0; k < 256; k++ {
op := &DrawImageOptions{}
op.ColorM.Translate(float64(k)/0xff, 1, 1, 1)
op.ColorM.Translate(1, 1, 1, float64(k)/0xff)
op.CompositeMode = CompositeModeCopy
dst.DrawImage(src, op)
for j := 0; j < h; j++ {
for i := 0; i < w; i++ {
got := dst.At(i, j).(color.RGBA)
want := color.RGBA{byte(k), 0xff, 0xff, 0xff}
want := color.RGBA{byte(k), byte(k), byte(k), byte(k)}
if !sameColors(got, want, 1) {
t.Fatalf("dst.At(%d, %d), k: %d: got %v, want %v", i, j, k, got, want)
}