blob: dd86e63c474ee32c8caa5e9732ba0592fc6b643b [file] [log] [blame]
* 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 vasya
abstract class C implements A {}
abstract class B implements C {}
abstract class A implements B {}
class D implements A {}
main() {
new D();