Method test_mutating_iteration_delete_over_items

Lib/test/test_dict.py:628–635

(self)

                d[0] = 0

    def test_mutating_iteration_delete_over_items(self):
        # change dict content during iteration
        d = {}
        d[0] = 0
        with self.assertRaises(RuntimeError):
            for i in d.items():
                del d[0]
                d[0] = 0

    def test_mutating_lookup(self):
        # changing dict during a lookup (issue #14417)