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ebiten: add TestImageSetAndSubImage

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Updates #2428
This commit is contained in:
Hajime Hoshi 2022-11-02 12:35:19 +09:00
parent 0660c4ea8a
commit 4c5f019db3
1 changed files with 12 additions and 0 deletions
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12
image_test.go
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@ -3966,3 +3966,15 @@ func TestImageColorMScale(t *testing.T) {
t.Errorf("got: %v, want: %v", got, want)
}
}
// Issue #2428
func TestImageSetAndSubImage(t *testing.T) {
const w, h = 16, 16
img := ebiten.NewImage(w, h)
img.Set(1, 1, color.RGBA{0xff, 0, 0, 0xff})
got := img.SubImage(image.Rect(0, 0, w, h)).At(1, 1).(color.RGBA)
want := color.RGBA{0xff, 0, 0, 0xff}
if got != want {
t.Errorf("got: %v, want: %v", got, want)
}
}