'Test values which are outside bounds with fatal=True.'

@pytest.mark.parametrize('ctype,    val', [(ctype, val) for (ctype, val, _) in overflow_test_cases.bad_values()])
def test_bad_values_fatal(self, ctype, val):

    with pytest.raises(OverflowError):
        qtutils.check_overflow(val, ctype)
