def test_out_of_bounds_upper(self):
tt = TicTacToe()
tt._init_board(3)
self.assertTrue(tt._out_of_bounds((0, 3)))
def test_out_of_bounds(self):
tt = TicTacToe()
tt._init_board(3)
self.assertFalse(tt._out_of_bounds((0, 2)))
def test_out_of_bounds_lower(self):
tt = TicTacToe()
tt._init_board(3)
self.assertTrue(tt._out_of_bounds((-1, 0)))