def test_allZeroCentrePositions_square(self):
self.assertEqual([(0, 0)], list(allZeroCentrePositions((1, 1))))
self.assertEqual([(-1, -1), (-1, 0), (0, -1), (0, 0)], list(allZeroCentrePositions((2, 2))))
self.assertEqual(
[(-1, -1), (-1, 0), (-1, 1), (0, -1), (0, 0), (0, 1), (1, -1), (1, 0), (1, 1)],
list(allZeroCentrePositions((3, 3))),
)
def test_allZeroCentrePositions_rect(self):
self.assertEqual([(0, -1), (0, 0)], list(allZeroCentrePositions((1, 2))))
self.assertEqual([(-1, 0), (0, 0)], list(allZeroCentrePositions((2, 1))))
