def test_validCoerce(self):
        self.assertEqual(0, usage.portCoerce("0"))
        self.assertEqual(3210, usage.portCoerce("3210"))
        self.assertEqual(65535, usage.portCoerce("65535"))
Test the answers with valid input.
dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/test/test_usage.py/PortCoerceTestCase.test_validCoerce