'POP3 and SMTP each listen on a TCP4ServerEndpoint by default.'

def test_protoDefaults(self):

    options = Options()
    options.parseOptions([])
    self.assertEqual(len(options['pop3']), 1)
    self.assertIsInstance(options['pop3'][0], endpoints.TCP4ServerEndpoint)
    self.assertEqual(len(options['smtp']), 1)
    self.assertIsInstance(options['smtp'][0], endpoints.TCP4ServerEndpoint)
