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ebiten: clean up tests

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This commit is contained in:
Hajime Hoshi 2022-10-17 11:45:31 +09:00
parent d3b3617f66
commit 15ae074c43
1 changed files with 8 additions and 13 deletions
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21
image_test.go
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@ -3591,18 +3591,13 @@ func TestImageBlendOperation(t *testing.T) {
} }
src.WritePixels(srcPix) src.WritePixels(srcPix)
colorOperations := []ebiten.BlendOperation{ operations := []ebiten.BlendOperation{
ebiten.BlendOperationAdd, ebiten.BlendOperationAdd,
ebiten.BlendOperationSubtract, ebiten.BlendOperationSubtract,
ebiten.BlendOperationReverseSubtract, ebiten.BlendOperationReverseSubtract,
} }
alphaOperations := []ebiten.BlendOperation{ for _, rgbOp := range operations {
ebiten.BlendOperationAdd, for _, alphaOp := range operations {
ebiten.BlendOperationSubtract,
ebiten.BlendOperationReverseSubtract,
}
for _, cop := range colorOperations {
for _, aop := range alphaOperations {
// Reset the destination state. // Reset the destination state.
dst.WritePixels(dstPix) dst.WritePixels(dstPix)
op := &ebiten.DrawImageOptions{} op := &ebiten.DrawImageOptions{}
@ -3611,8 +3606,8 @@ func TestImageBlendOperation(t *testing.T) {
BlendFactorSourceAlpha: ebiten.BlendFactorOne, BlendFactorSourceAlpha: ebiten.BlendFactorOne,
BlendFactorDestinationRGB: ebiten.BlendFactorOne, BlendFactorDestinationRGB: ebiten.BlendFactorOne,
BlendFactorDestinationAlpha: ebiten.BlendFactorOne, BlendFactorDestinationAlpha: ebiten.BlendFactorOne,
BlendOperationRGB: cop, BlendOperationRGB: rgbOp,
BlendOperationAlpha: aop, BlendOperationAlpha: alphaOp,
} }
dst.DrawImage(src, op) dst.DrawImage(src, op)
for i := 0; i < w; i++ { for i := 0; i < w; i++ {
@ -3622,7 +3617,7 @@ func TestImageBlendOperation(t *testing.T) {
dr, dg, db, da := dstColor(i) dr, dg, db, da := dstColor(i)
var want color.RGBA var want color.RGBA
switch cop { switch rgbOp {
case ebiten.BlendOperationAdd: case ebiten.BlendOperationAdd:
want.R = clamp(int(sr) + int(dr)) want.R = clamp(int(sr) + int(dr))
want.G = clamp(int(sg) + int(dg)) want.G = clamp(int(sg) + int(dg))
@ -3636,7 +3631,7 @@ func TestImageBlendOperation(t *testing.T) {
want.G = clamp(int(dg) - int(sg)) want.G = clamp(int(dg) - int(sg))
want.B = clamp(int(db) - int(sb)) want.B = clamp(int(db) - int(sb))
} }
switch aop { switch alphaOp {
case ebiten.BlendOperationAdd: case ebiten.BlendOperationAdd:
want.A = clamp(int(sa) + int(da)) want.A = clamp(int(sa) + int(da))
case ebiten.BlendOperationSubtract: case ebiten.BlendOperationSubtract:
@ -3646,7 +3641,7 @@ func TestImageBlendOperation(t *testing.T) {
} }
if !sameColors(got, want, 1) { if !sameColors(got, want, 1) {
t.Errorf("dst.At(%d, 0): operations: %d, %d: got: %v, want: %v", i, cop, aop, got, want) t.Errorf("dst.At(%d, 0): operations: %d, %d: got: %v, want: %v", i, rgbOp, alphaOp, got, want)
} }
} }
} }