def test_pygame2_mask_Mask_set_at(self):
# __doc__ (as of 2008-11-03) for pygame2.mask.Mask.set_at:
# Mask.set_at (x, y) -> None
#
# Sets the bit value at the desired location.
m = Mask (10, 10)
m.set_at (0, 0, 1)
self.assertEqual(m.get_at(0, 0), 1)
m.set_at(9, 0, 1)
self.assertEqual(m.get_at(9, 0), 1)
# out of bounds, should get IndexError
self.assertRaises(IndexError, lambda : m.get_at (-1,0) )
self.assertRaises(IndexError, lambda : m.set_at (-1, 0, 1) )
self.assertRaises(IndexError, lambda : m.set_at (10, 0, 1) )
self.assertRaises(IndexError, lambda : m.set_at (0, 10, 1) )
def test_pygame2_mask_Mask_get_at(self):
# __doc__ (as of 2008-11-03) for pygame2.mask.Mask.get_at:
# Mask.get_at (x, y) -> int
#
# Gets the bit value at the desired location.
m = Mask (100, 100)
for x in range (100):
for y in range (100):
self.assertEqual (m.get_at (x, y), 0)
m = random_mask ()
pair = (0, 1)
for x in range (100):
for y in range (100):
self.assertTrue (m.get_at (x, y) in pair)
self.assertRaises (IndexError, m.get_at, -1, 0)
self.assertRaises (IndexError, m.get_at, -7, 3)
self.assertRaises (IndexError, m.get_at, -1, -1)
self.assertRaises (IndexError, m.get_at, 0, -1)
self.assertRaises (IndexError, m.get_at, 8, -10)
def test_pygame2_mask_Mask_invert(self):
# __doc__ (as of 2008-11-03) for pygame2.mask.Mask.invert:
# Mask.invert () -> None
#
# Inverts all bits in the Mask.
m = Mask (10, 10)
for x in range (10):
for y in range (10):
m.set_at (x, y)
self.assertEqual (m.count, 100)
m.invert ()
self.assertEqual (m.count, 0)
m.set_at (4, 4)
m.invert ()
self.assertEqual (m.count, 99)
self.assertEqual (m.get_at (4, 4), 0)
for x in range (10):
for y in range (10):
if x == y == 4:
self.assertEqual (m.get_at (x, y), 0)
else:
self.assertEqual (m.get_at (x, y), 1)
