| /* |
| * 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 abstract V putIfAbsent(K key, V ifAbsent()) |
| * If [key] is not associated to a value, calls [ifAbsent] and |
| * updates the map by mapping [key] to the value returned by [ifAbsent]. |
| * Returns the value in the map. |
| * @description Tries to pass null as [ifAbsent] and checks that |
| * an exception or error is thrown. |
| * @author msyabro |
| * @reviewer varlax |
| */ |
| library putIfAbsent_A01_t06; |
| |
| import "../../../Utils/expect.dart"; |
| |
| test(Map create([Map content])) { |
| Map<String, Object> map = create(); |
| |
| Object putIfAbsent() { |
| return new Object(); |
| } |
| |
| Expect.throws(() { |
| map.putIfAbsent("1", null); |
| }); |
| |
| Expect.isFalse(map.containsKey("1")); |
| } |