| // 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. |
| |
| /// @assertion final int length |
| /// @description Checks that length property contains correct size of the map. |
| /// @author iarkh@unipro.ru |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| UnmodifiableMapView view = new UnmodifiableMapView({1 : 1, 2 : 23, 37 : 49}); |
| Expect.equals(3, view.length); |
| |
| view = new UnmodifiableMapView({}); |
| Expect.equals(0, view.length); |
| } |