def test_zero_mask_clear(self):
sizes = ((100, 0), (0, 100), (0, 0))
for size in sizes:
mask = pygame.mask.Mask(size)
mask.clear()
self.assertEqual(mask.count(), 0)
def test_clear(self):
"""Ensure a mask can be cleared."""
expected_count = 0
mask = pygame.mask.Mask((13, 27), fill=True)
mask.clear()
self.assertEqual(mask.count(), expected_count)