Method test_extended_set_del_slice

Lib/test/test_bytes.py:1533–1552

(self)

        self.assertLessEqual(sys.getsizeof(b), size)

    def test_extended_set_del_slice(self):
        indices = (0, None, 1, 3, 19, 300, 1<<333, sys.maxsize,
            -1, -2, -31, -300)
        for start in indices:
            for stop in indices:
                # Skip invalid step 0
                for step in indices[1:]:
                    L = list(range(255))
                    b = bytearray(L)
                    # Make sure we have a slice of exactly the right length,
                    # but with different data.
                    data = L[start:stop:step]
                    data.reverse()
                    L[start:stop:step] = data
                    b[start:stop:step] = data
                    self.assertEqual(b, bytearray(L))

                    del L[start:stop:step]
                    del b[start:stop:step]
                    self.assertEqual(b, bytearray(L))

    def test_setslice_trap(self):
        # This test verifies that we correctly handle assigning self