| /* |
| * 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 int hashCode |
| * Get a hash code for this object. |
| * |
| * All objects have hash codes. Hash codes are guaranteed to be the same for |
| * objects that are equal when compared using the equality operator ==. Other |
| * than that there are no guarantees about the hash codes. They will not be |
| * consistent between runs and there are no distribution guarantees. |
| * |
| * @description Checks usage of hashCode property. |
| * @author ngl@unipro.ru |
| */ |
| library hashCode_A01_t01; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| test(EventSink create()) { |
| EventSink es1 = create(); |
| EventSink es2 = create(); |
| EventSink es3 = es1; |
| |
| if (es1 == es2) { |
| Expect.isTrue(es1.hashCode == es2.hashCode); |
| } else { |
| Expect.isFalse(es1.hashCode == es2.hashCode); |
| } |
| if (es1 == es3) { |
| Expect.isTrue(es1.hashCode == es3.hashCode); |
| } else { |
| Expect.isFalse(es1.hashCode == es3.hashCode); |
| } |
| } |
| |