| // 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 int hashCode |
| /// The hash code for this object. |
| /// A hash code is a single integer which represents the state of the object that |
| /// affects == comparisons. |
| /// All objects have hash codes. The default hash code represents only the |
| /// identity of the object, the same way as the default == implementation only |
| /// considers objects equal if they are identical (see identityHashCode). |
| /// @description Checks that [hashCode] is read-only and can't be set. |
| /// @author ngl@unipro.ru |
| |
| import "dart:math"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| dynamic r = new Rectangle(1, 2, 3, 4); |
| try { |
| r.hashCode = 1; |
| Expect.fail("[hashCode] should be read-only"); |
| } on NoSuchMethodError {} |
| } |