| // 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 SplayTreeMap([int compare(K key1, K key2), |
| /// bool isValidKey(potentialKey)]) |
| /// If omitted, the [isValidKey] function defaults to testing if the value is a |
| /// [K]. |
| /// @description Checks that [isValidKey] defaults to test that the [key] is a |
| /// [K] object |
| /// @author iarkh@unipro.ru |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| class C { |
| int value; |
| C(this.value); |
| } |
| |
| int compare(C key1, C key2) { |
| return key1.value - key2.value; |
| } |
| |
| main() { |
| SplayTreeMap<C, Object> map = new SplayTreeMap<C, Object>(compare); |
| C c1 = new C(1); |
| C c2 = new C(2); |
| C c3 = new C(3); |
| |
| map[c1] = 1; |
| map[c2] = 2; |
| map[c3] = 3; |
| |
| Expect.isNull(map["12345"]); |
| Expect.isFalse(map.containsKey(12)); |
| Expect.isNull(map.remove(new Object())); |
| } |