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restorable: Improve tests

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This commit is contained in:
Hajime Hoshi 2018-12-26 21:14:29 +09:00
parent fbf7007056
commit 62cdb93105
1 changed files with 25 additions and 5 deletions
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30
internal/restorable/images_test.go
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@ -659,24 +659,44 @@ func TestClear(t *testing.T) {
func TestReplacePixelsOnly(t *testing.T) {
const w, h = 128, 128
img := NewImage(w, h, false)
defer img.Dispose()
img0 := NewImage(w, h, false)
defer img0.Dispose()
img1 := NewImage(1, 1, false)
defer img1.Dispose()
for i := 0; i < w*h; i += 5 {
img.ReplacePixels([]byte{1, 2, 3, 4}, i%w, i/w, 1, 1)
img0.ReplacePixels([]byte{1, 2, 3, 4}, i%w, i/w, 1, 1)
}
vs := graphics.QuadVertices(w, h, 0, 0, 1, 1, 1, 0, 0, 1, 0, 0, 1, 1, 1, 1)
is := graphics.QuadIndices()
img1.DrawImage(img0, vs, is, nil, graphics.CompositeModeCopy, graphics.FilterNearest, graphics.AddressClampToZero)
img0.ReplacePixels([]byte{5, 6, 7, 8}, 0, 0, 1, 1)
// BasePixelsForTesting is available without GPU accessing.
for i := 0; i < w*h; i++ {
var want color.RGBA
if i%5 == 0 {
switch {
case i == 0:
want = color.RGBA{5, 6, 7, 8}
case i%5 == 0:
want = color.RGBA{1, 2, 3, 4}
}
got := byteSliceToColor(img.BasePixelsForTesting(), i)
got := byteSliceToColor(img0.BasePixelsForTesting(), i)
if !sameColors(got, want, 0) {
t.Errorf("got %v, want %v", got, want)
}
}
ResolveStaleImages()
if err := Restore(); err != nil {
t.Fatal(err)
}
want := color.RGBA{1, 2, 3, 4}
got := byteSliceToColor(img1.BasePixelsForTesting(), 0)
if !sameColors(got, want, 0) {
t.Errorf("got %v, want %v", got, want)
}
}
// TODO: How about volatile/screen images?