Method test_Container

Lib/test/test_collections.py:1341–1357

(self)

        self.validate_isinstance(Sized, '__len__')

    def test_Container(self):
        non_samples = [None, 42, 3.14, 1j,
                       _test_gen(),
                       (x for x in []),
                       ]
        for x in non_samples:
            self.assertNotIsInstance(x, Container)
            self.assertNotIsSubclass(type(x), Container)
        samples = [bytes(), str(),
                   tuple(), list(), set(), frozenset(), dict(),
                   dict().keys(), dict().items(),
                   ]
        for x in samples:
            self.assertIsInstance(x, Container)
            self.assertIsSubclass(type(x), Container)
        self.validate_abstract_methods(Container, '__contains__')
        self.validate_isinstance(Container, '__contains__')

    def test_Callable(self):
        non_samples = [None, 42, 3.14, 1j,