def test_leitura_campo_num_int(self):
        self.assertEqual(self.header_arquivo.controle_banco, 341)
def test_exceptions(self):
        self.assert_(issubclass(DeoptionError, TypeError))
        self.assertRaises(TypeError,
            lambda: Optional()
        )
        self.assertRaises(TypeError,
            lambda: Optional(NotPassed, NotPassed)
        )