package x264 import ( "image" "testing" ) func TestYCbCr(t *testing.T) { var img image.Image rgba := image.NewRGBA(image.Rect(0, 0, 640, 480)) ycbcr := NewYCbCr(rgba.Bounds()) ycbcr.ToYCbCr(rgba) img = ycbcr _, ok := img.(*YCbCr) if !ok { t.Error("ToYCbCr failed") } }