def test_zero_mask(self):
mask = pygame.mask.Mask((0, 0))
self.assertEqual(mask.get_size(), (0, 0))
mask = pygame.mask.Mask((100, 0))
self.assertEqual(mask.get_size(), (100, 0))
mask = pygame.mask.Mask((0, 100))
self.assertEqual(mask.get_size(), (0, 100))
def test_zero_mask_overlap_mask(self):
sizes = ((100, 0), (0, 100), (0, 0))
for size in sizes:
mask = pygame.mask.Mask(size)
mask2 = pygame.mask.Mask((100, 100))
overlap_mask = mask.overlap_mask(mask2, (0, 0))
overlap_mask2 = mask2.overlap_mask(mask, (0, 0))
self.assertEqual(mask.get_size(), overlap_mask.get_size())
self.assertEqual(mask2.get_size(), overlap_mask2.get_size())
def test_mask__fill_arg(self):
"""Ensure masks are created correctly using a fill arg."""
width, height = 59, 71
expected_size = (width, height)
fill_counts = {True: width * height, False: 0}
for fill, expected_count in fill_counts.items():
mask = pygame.mask.Mask(expected_size, fill)
self.assertEqual(mask.count(), expected_count,
'fill={}'.format(fill))
self.assertEqual(mask.get_size(), expected_size,
'fill={}'.format(fill))
def test_get_size(self):
"""Ensure a mask's size is correctly retrieved."""
expected_size = (93, 101)
mask = pygame.mask.Mask(expected_size)
self.assertEqual(mask.get_size(), expected_size)