def test_errorCoerce(self):
        self.assertRaises(ValueError, usage.portCoerce, "")
        self.assertRaises(ValueError, usage.portCoerce, "-21")
        self.assertRaises(ValueError, usage.portCoerce, "212189")
        self.assertRaises(ValueError, usage.portCoerce, "foo")
Tests that lines with flags (@ parameters) can be parsed
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/test/test_usage.py/PortCoerceTestCase.test_errorCoerce--crossover with--dataset/ETHPy150Open kiip/statsite/tests/unit/test_parser.py/TestParser.test_parses_flag