def test_model_subclass_proxy(self):
        instance = ConcreteModelSubclassProxy.objects.create()
        instance.delete()
        self.assertEqual(0, ConcreteModelSubclassProxy.objects.count())
        self.assertEqual(0, ConcreteModelSubclass.objects.count())
        self.assertEqual(0, ConcreteModel.objects.count())
Test that non-integers and out-of-bound integers produce appropriate
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/tests/modeltests/proxy_model_inheritance/tests.py/MultiTableInheritanceProxyTest.test_model_subclass_proxy--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_pop3.py/CommandMixin.testLISTWithBadArgument