| // 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 Returns whether this map contains the given [key]. |
| /// @description Checks that null key is allowed |
| /// @author msyabro |
| |
| library containsKey_A01_t02; |
| |
| import "../../../Utils/expect.dart"; |
| |
| test(Map create([Map content])) { |
| Map map = create(); |
| map[null] = "not null"; |
| Expect.isTrue(map.containsKey(null)); |
| } |