Method test_MutableMapping

Lib/test/test_collections.py:1858–1863

(self)

        self.assertRaises(TypeError, reversed, MyMapping())

    def test_MutableMapping(self):
        for sample in [dict]:
            self.assertIsInstance(sample(), MutableMapping)
            self.assertIsSubclass(sample, MutableMapping)
        self.validate_abstract_methods(MutableMapping, '__iter__', '__len__',
            '__getitem__', '__setitem__', '__delitem__')

    def test_MutableMapping_subclass(self):
        # Test issue 9214