def test_multichannel_swap(self):
color = Color()
assert color.ba == [0, 255]
color.ba = color.ab
assert color.ba == [255, 0]
def test_multichannel_assignment(self):
color = Color()
assert color.ra == [0, 255]
color.ra = [1, 254]
assert color.ra == [1, 254]