def test_is_palindrome():
    for subject in test_subjects:
        assert subject.algorithm('')
        assert subject.algorithm(' ')
        assert subject.algorithm(complex_pali)
        assert (not subject.algorithm('Nope'))
def test_is_palindrome():
    for subject in test_subjects:
        assert subject.algorithm()
        assert subject.algorithm(' ')
        assert subject.algorithm(complex_pali)
        assert (not subject.algorithm('Nope'))