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_both():
    """Both f and g."""
    p = are.above(2) & are.below(4)
    ps = [p(x) for x in range(1, 6)]
    assert ps == [False, False, True, False, False]