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graphics: Add TestImageZeroSizedMipmap

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This commit is contained in:
Hajime Hoshi 2019-04-25 10:51:49 +09:00
parent 6022d8856e
commit 4ab97ad250
1 changed files with 10 additions and 0 deletions
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10
image_test.go
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@ -1670,3 +1670,13 @@ func TestImageTooSmallMipmap(t *testing.T) {
t.Errorf("got: %v, want: %v", got, want) t.Errorf("got: %v, want: %v", got, want)
} }
} }
func TestImageZeroSizedMipmap(t *testing.T) {
const w, h = 16, 16
src, _ := NewImage(w, h, FilterDefault)
dst, _ := NewImage(w, h, FilterDefault)
op := &DrawImageOptions{}
op.Filter = FilterLinear
dst.DrawImage(src.SubImage(image.ZR).(*Image), op)
}