""" tests.py """

from prob_0060 import primes_less_than


def test_primes_less_than():
    """ test primes less than num """
    assert primes_less_than(0) == []
    assert primes_less_than(1) == []
    assert primes_less_than(2) == []
    assert primes_less_than(3) == [2]
    assert primes_less_than(4) == [2, 3]
    assert primes_less_than(30) == [2, 3, 5, 7, 11, 13, 17, 19, 23, 29]
    assert primes_less_than(31) == [2, 3, 5, 7, 11, 13, 17, 19, 23, 29]
    assert primes_less_than(32) == [2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31]


if __name__ == '__main__':
    test_primes_less_than()