def test_leitura_campo_num_decimal(self):
        self.assertEqual(self.seg_p.valor_titulo, Decimal('100.00'))
def test_ccode_exceptions():
    assert ccode(ceiling(x)) == "ceil(x)"
    assert ccode(Abs(x)) == "fabs(x)"
    assert ccode(gamma(x)) == "tgamma(x)"