'''testing'''
import pytest

from main import turn_dial, check_cross_zero

@pytest.mark.parametrize('current, given, expected',
                         [
                            (50, 'L68', 82),
                            (82, 'L30', 52),
                            (52, 'R48', 0),
                            (0, 'L5', 95),
                            (95, 'R60', 55),
                            (55, 'L55', 0),
                            (0, 'L1', 99),
                            (99, 'L99', 0),
                            (0, 'R14', 14),
                            (14, 'L82', 32),
                            (50, 'R1000', 50),
                            (50, 'L1000', 50)
                         ])
def test_matching_zero(current, given, expected):
    assert turn_dial(current, given) == expected


@pytest.mark.parametrize('current, given, expected',
                         [
                            (50, 'L68', 1),
                            (82, 'L30', 0),
                            (52, 'R48', 1),
                            (0, 'L5', 0),
                            (95, 'R60', 1),
                            (55, 'L55', 1),
                            (0, 'L1', 0),
                            (99, 'L99', 1),
                            (0, 'R14', 0),
                            (14, 'L82', 1),
                            (50, 'R1000', 10),
                            (50, 'L1000', 10)
                         ])
def test_crossing_zero(current, given, expected):
    assert check_cross_zero(current, given) == expected