def test_move_zeroes_doesnt_change_position(self):
starting_position = [125, 123]
piece = PolygonPiece(Polygon([[0, 0], [3, 3], [0, 3]]),
starting_position.copy())
piece.move(0, 0)
self.assertEqual(starting_position, piece.get_position())
def test_move_negative_amount_doesnt_increase_position(self, x, y):
starting_position = [125, 123]
piece = PolygonPiece(Polygon([[0, 0], [3, 3], [0, 3]]),
starting_position.copy())
piece.move(x, y)
self.assertLessEqual(piece.get_position(), starting_position)