| /* |
| * Copyright (c) 2011, 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 bool remove(T value) |
| * Removes [value] from the set. Returns true if [value] was in the set. |
| * Returns false otherwise. The method has no effect if [value] value was not in |
| * the set. |
| * @description Checks that items with the same hash code are removed correctly |
| * by this method. |
| * @author pagolubev |
| */ |
| library remove_A01_t03; |
| import "set.lib.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| class A implements Comparable { |
| int x; |
| |
| A(this.x); |
| bool operator ==(dynamic other) => x == other.x; |
| int get hashCode => -1; |
| // to allow run this test for ordered sets we need A to be comparable |
| int compareTo(dynamic other) => this.x - other.x; |
| } |
| |
| test(Set create([Set content])) { |
| Set s = create(); |
| s.addAll([new A(-3), new A(0), new A(7)]); |
| |
| Expect.isTrue(s.remove(new A(0))); |
| Expect.isTrue(s.length == 2); |
| Expect.isTrue(s.containsAll([new A(-3), new A(7)])); |
| Expect.isFalse(s.contains(new A(0))); |
| |
| Expect.isTrue(s.remove(new A(7))); |
| Expect.isTrue(s.length == 1); |
| Expect.isTrue(s.contains(new A(-3))); |
| Expect.isFalse(s.contains(new A(7))); |
| |
| Expect.isTrue(s.remove(new A(-3))); |
| Expect.isTrue(s.length == 0); |
| Expect.isFalse(s.contains(new A(-3))); |
| } |
| |
| main() { |
| test(create); |
| } |