def test_3x3_board_str(self):
game = Game(n_rows=3, n_cols=3)
game.add_cross(0)
game.add_cross(8)
game.add_circle(4)
board_str = game.board_str
expected = 'X O X'
self.assertEqual(board_str, expected)
def test_3x3_add_cross(self):
game = Game(n_rows=3, n_cols=3)
game.add_cross(0)
self.assertEqual(game.board_x, 0b000000001)
game.add_cross(8)
self.assertEqual(game.board_x, 0b100000001)
game.add_cross(4)
self.assertEqual(game.board_x, 0b100010001)
def test_3x3_is_empty(self):
game = Game(n_rows=3, n_cols=3)
game.add_cross(8)
self.assertIs(game.is_empty(8), False)
self.assertIs(game.is_empty(4), True)