Method make_nested

Lib/test/test_gc.py:494–500

Create a sufficiently nested container object so that the trashcan mechanism is invoked when deallocating it.

()

                # to call list_dealloc, which also uses the trashcan mechanism.

        def make_nested():
            """Create a sufficiently nested container object so that the
            trashcan mechanism is invoked when deallocating it."""
            x = C([])
            for i in range(NESTING):
                x = [C([x])]
            del x

        def run_thread():
            """Exercise make_nested() in a loop."""