// Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion final Iterator<E> iterator
/// @description Checks that [Iterator] is a read-only property and cannot be
/// changed
/// @author iarkh@unipro.ru

import "../../../Utils/expect.dart";
import "LinkedList.lib.dart";

main() {
  dynamic list = toLinkedList([1, 2, 3]);
  Expect.throws(() { list.iterator = null; }, (e) => e is NoSuchMethodError);
}
