| /* | |
| * 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 An interface has a set of direct superinterfaces. | |
| * An interface J is a superinterface of an interface I iff either J is a | |
| * direct superinterface of I or J is a superinterface of a direct | |
| * superinterface of I. | |
| * @description Checks that it is a compile-time error if the chain of | |
| * superinterfaces forms a circular dependency. | |
| * @compile-error | |
| * @author rodionov | |
| */ | |
| abstract class A implements B {} | |
| abstract class B implements A {} | |
| class C implements B {} | |
| main() { | |
| new B(); | |
| } | |