def test_necessario(self):
        self.assertTrue(self.seg_p)

        seg_p2 = itau.registros.SegmentoP()
        self.assertFalse(seg_p2.necessario())

        seg_p2.controle_banco = 33
        self.assertFalse(seg_p2.necessario())

        seg_p2.vencimento_titulo = 10102012
        self.assertTrue(seg_p2.necessario())
def test_ccode_constants_mathh():
    assert ccode(exp(1)) == "M_E"
    assert ccode(pi) == "M_PI"
    assert ccode(oo) == "HUGE_VAL"
    assert ccode(-oo) == "-HUGE_VAL"