aoqi@0: /* aoqi@0: * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. aoqi@0: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. aoqi@0: * aoqi@0: * This code is free software; you can redistribute it and/or modify it aoqi@0: * under the terms of the GNU General Public License version 2 only, as aoqi@0: * published by the Free Software Foundation. aoqi@0: * aoqi@0: * This code is distributed in the hope that it will be useful, but WITHOUT aoqi@0: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or aoqi@0: * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License aoqi@0: * version 2 for more details (a copy is included in the LICENSE file that aoqi@0: * accompanied this code). aoqi@0: * aoqi@0: * You should have received a copy of the GNU General Public License version aoqi@0: * 2 along with this work; if not, write to the Free Software Foundation, aoqi@0: * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. aoqi@0: * aoqi@0: * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA aoqi@0: * or visit www.oracle.com if you need additional information or have any aoqi@0: * questions. aoqi@0: */ aoqi@0: aoqi@0: /** aoqi@0: * @test aoqi@0: * @bug 8041663 aoqi@0: */ aoqi@0: aoqi@0: public class AmbiguityErrorTest { aoqi@0: aoqi@0: public interface A { } aoqi@0: aoqi@0: public interface B extends A { } aoqi@0: aoqi@0: public interface C { aoqi@0: A m(B strategy); aoqi@0: } aoqi@0: aoqi@0: public interface D { aoqi@0: A m(A strategy); aoqi@0: A m(B strategy); aoqi@0: } aoqi@0: aoqi@0: public interface T1 extends C, D { } aoqi@0: public interface T2 extends D, C { } aoqi@0: aoqi@0: int count; aoqi@0: aoqi@0: class T1Impl implements T1, T2 { aoqi@0: public A m(B strategy) { aoqi@0: count++; aoqi@0: return null; aoqi@0: } aoqi@0: public A m(A strategy) { aoqi@0: throw new AssertionError("Should not get here."); aoqi@0: } aoqi@0: } aoqi@0: aoqi@0: public static void main(String... args) { aoqi@0: new AmbiguityErrorTest().test(); aoqi@0: } aoqi@0: aoqi@0: void test() { aoqi@0: T1 t1 = new T1Impl(); aoqi@0: T2 t2 = new T1Impl(); aoqi@0: final B b = new B() { }; aoqi@0: t1.m(b); aoqi@0: t2.m(b); aoqi@0: aoqi@0: if (count != 2) { aoqi@0: throw new IllegalStateException("Did not call the methods properly"); aoqi@0: } aoqi@0: } aoqi@0: aoqi@0: }