| // Copyright (c) 2016, 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. |
| |
| /// @assertion final bool isNotEmpty |
| /// Returns true if there is at least one element in this collection. |
| /// @description Checks that isNotEmpty is read-only property and cannot be |
| /// changed. |
| /// @author iarkh@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| import "dart:collection"; |
| |
| main() { |
| dynamic queue = new DoubleLinkedQueue(); |
| Expect.throws(() { queue.isNotEmpty = 1; }, (e) => e is NoSuchMethodError); |
| } |