| // 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 SplayTreeMap([int compare(K key1, K key2), |
| /// bool isValidKey(potentialKey)]) |
| /// If the [compare] function is omitted, the objects are assumed to be |
| /// [Comparable], and are compared using their [Comparable.compareTo] method. |
| /// Non-comparable objects (including [null]) will not work as keys in that case. |
| /// @description Checks that if [compare] function is not specified then [key] |
| /// object should implement [Comparable]. If not exception is thrown |
| /// @author sgrekhov@unipro.ru |
| |
| import "dart:collection"; |
| import "../../../Utils/expect.dart"; |
| |
| class C { |
| } |
| |
| main() { |
| SplayTreeMap map = new SplayTreeMap(); |
| |
| Expect.throws(() { map[new C()] = null; }); |
| } |