def test_rotate_piece_clockwise_through_all_rotations(self):
p = Piece(Piece.T_SHAPE)
rotations = [((0, 2), (1, 1), (1, 2), (2, 2)),
((0, 2), (1, 1), (1, 2), (1, 3)),
((0, 2), (1, 2), (1, 3), (2, 2)),
((1, 1), (1, 2), (1, 3), (2, 2)),
((0, 2), (1, 1), (1, 2), (2, 2))]
for all_points in rotations:
for point in all_points:
self.assertEqual(p.value_at(point[0], point[1]), 2)
p.rotate_clockwise()
