Method test_Buffer

Lib/test/test_collections.py:1976–1983

(self)

            collections_abc.ByteString

    def test_Buffer(self):
        for sample in [bytes, bytearray, memoryview]:
            self.assertIsInstance(sample(b"x"), Buffer)
            self.assertIsSubclass(sample, Buffer)
        for sample in [str, list, tuple]:
            self.assertNotIsInstance(sample(), Buffer)
            self.assertNotIsSubclass(sample, Buffer)
        self.validate_abstract_methods(Buffer, '__buffer__')

    def test_MutableSequence(self):
        for sample in [tuple, str, bytes]: