| /* | |
| * 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 A class has a set of direct superinterfaces. This set includes | |
| * the interface of its superclass and the interfaces specified in the the | |
| * implements clause of the class. | |
| * interfaces: | |
| * implements typeList | |
| * ; | |
| * @description Checks that it is a compile-time error if the implements | |
| * clause of a class does not list any types. | |
| * @compile-error | |
| * @author rodionov | |
| */ | |
| class A implements {} | |
| main() { | |
| try { | |
| new A(); | |
| } catch (e) {} | |
| } |