Method run

Lib/test/test_iter.py:261–284

(builtin_name, item, sentinel=None)

        orig = {"iter": iter, "reversed": reversed}

        def run(builtin_name, item, sentinel=None):
            it = iter(item) if sentinel is None else iter(item, sentinel)

            class CustomStr:
                def __init__(self, name, iterator):
                    self.name = name
                    self.iterator = iterator
                def __hash__(self):
                    return hash(self.name)
                def __eq__(self, other):
                    # Here we exhaust our iterator, possibly changing
                    # its `it_seq` pointer to NULL
                    # The `__reduce__` call should correctly get
                    # the pointers after this call
                    list(self.iterator)
                    return other == self.name

            # del is required here
            # to not prematurely call __eq__ from
            # the hash collision with the old key
            del builtins_dict[builtin_name]
            builtins_dict[CustomStr(builtin_name, it)] = orig[builtin_name]

            return it.__reduce__()

        types = [
            (EmptyIterClass(),),