| /* |
| * 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 The implicit interface of class I is a direct supertype |
| * of the implicit interface of class J if I is listed in the implements |
| * clause of J. |
| * @description Checks that a type listed in the implements clause of another is its supertype. |
| * @author iefremov |
| * @reviewer rodionov |
| * @needsreview It's currently impossible to check whether a type is a direct supertype of another |
| * without some sort of reflection framework. |
| */ |
| import "../../Utils/expect.dart"; |
| |
| class I {} |
| |
| class J implements I {} |
| |
| main() { |
| Expect.isTrue(new J() is I); |
| } |
