Method test_constructor

Lib/test/test_collections.py:164–166

(self)

        self.assertEqual(list(combined.items()), list(cm.items()))

    def test_constructor(self):
        self.assertEqual(ChainMap().maps, [{}])                        # no-args --> one new dict
        self.assertEqual(ChainMap({1:2}).maps, [{1:2}])                # 1 arg --> list

    def test_bool(self):
        self.assertFalse(ChainMap())