def test_zero_mask_count(self):
sizes = ((100, 0), (0, 100), (0, 0))
for size in sizes:
mask = pygame.mask.Mask(size)
mask.fill()
self.assertEqual(mask.count(), 0)
def test_fill(self):
"""Ensure a mask can be filled."""
width, height = 11, 23
expected_count = width * height
mask = pygame.mask.Mask((width, height))
mask.fill()
self.assertEqual(mask.count(), expected_count)
def test_overlap_mask(self):
# This test currently fails. See issue #410 for more details.
mask = pygame.mask.Mask((50, 50))
mask.fill()
mask2 = pygame.mask.Mask((300, 10))
mask2.fill()
mask3 = mask.overlap_mask(mask2, (-1, 0))
for i in range(50):
for j in range(10):
self.assertEqual(mask3.get_at((i, j)), 1)
for i in range(50):
for j in range(11, 50):
self.assertEqual(mask3.get_at((i, j)), 0)
def test_overlap_mask(self):
""" |tags: ignore| """
mask = pygame.mask.Mask((50, 50))
mask.fill()
mask2 = pygame.mask.Mask((300, 10))
mask2.fill()
mask3 = mask.overlap_mask(mask2, (-1, 0))
for i in range(50):
for j in range(10):
self.assertEqual(mask3.get_at((i, j)), 1)
for i in range(50):
for j in range(11, 50):
self.assertEqual(mask3.get_at((i, j)), 0)
def test_overlap_mask(self):
"""Ensure overlap_mask's mask has correct bits set."""
mask = pygame.mask.Mask((50, 50))
mask.fill()
mask2 = pygame.mask.Mask((300, 10))
mask2.fill()
mask3 = mask.overlap_mask(mask2, (-1, 0))
for i in range(50):
for j in range(10):
self.assertEqual(mask3.get_at((i, j)), 1,
'({}, {})'.format(i, j))
for i in range(50):
for j in range(11, 50):
self.assertEqual(mask3.get_at((i, j)), 0,
'({}, {})'.format(i, j))