| // 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. |
| |
| // @dart = 2.9 |
| |
| /// @assertion Error occurring when a collection is modified during iteration. |
| /// @description Checks that ConcurrentModificationError is thrown if a |
| /// collection is modified during iteration. |
| /// @author sgrekhov@unipro.ru |
| |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| List l = [0, 1, 2, 3, 4]; |
| Iterator it = l.iterator; |
| try { |
| while (it.moveNext()) { |
| l.remove(it.current); |
| } |
| Expect.fail("ConcurrentModificationError error should be thrown"); |
| } on ConcurrentModificationError catch (e) { |
| Expect.equals(l, e.modifiedObject); |
| } |
| } |