| /* |
| * 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 T top |
| * The y-coordinate of the left edge. |
| * @description Checks that top is read-only and cannot be set. |
| * @author ngl@unipro.ru |
| */ |
| import "dart:math"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| dynamic r = new Rectangle(1, 2, 3, 4); |
| try { |
| r.top = 5; |
| Expect.fail("[top] should be read-only"); |
| } on NoSuchMethodError {} |
| } |