Method test_c_class

Lib/test/test_genericclass.py:280–293

(self)

class CAPITest(unittest.TestCase):

    def test_c_class(self):
        _testcapi = import_module("_testcapi")
        Generic = _testcapi.Generic
        GenericAlias = _testcapi.GenericAlias
        self.assertIsInstance(Generic.__class_getitem__(int), GenericAlias)

        IntGeneric = Generic[int]
        self.assertIs(type(IntGeneric), GenericAlias)
        self.assertEqual(IntGeneric.__mro_entries__(()), (int,))
        class C(IntGeneric):
            pass
        self.assertEqual(C.__bases__, (int,))
        self.assertEqual(C.__orig_bases__, (IntGeneric,))
        self.assertEqual(C.__mro__, (C, int, object))


if __name__ == "__main__":