def test_get_first_negative_floor_empty_string(): if get_first_negative_floor("") is not None: pytest.fail("Empty string should be None")
def test_get_first_negative_floor_dirty(): """Test against dirty/mixed input""" assert get_first_negative_floor("$di(r)t(y))") == 5
def test_get_first_negative_floor(): assert get_first_negative_floor(")") == 1 assert get_first_negative_floor("()())") == 5