Sat, 22 Dec 2018 13:10:38 -0800
Added tag jdk8u202-b25 for changeset 15d8c732039b
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. |
aoqi@0 | 8 | * |
aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 13 | * accompanied this code). |
aoqi@0 | 14 | * |
aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 18 | * |
aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 21 | * questions. |
aoqi@0 | 22 | */ |
aoqi@0 | 23 | |
aoqi@0 | 24 | /** |
aoqi@0 | 25 | * @test |
aoqi@0 | 26 | * @bug 8041663 |
aoqi@0 | 27 | */ |
aoqi@0 | 28 | |
aoqi@0 | 29 | public class AmbiguityErrorTest { |
aoqi@0 | 30 | |
aoqi@0 | 31 | public interface A { } |
aoqi@0 | 32 | |
aoqi@0 | 33 | public interface B extends A { } |
aoqi@0 | 34 | |
aoqi@0 | 35 | public interface C { |
aoqi@0 | 36 | A m(B strategy); |
aoqi@0 | 37 | } |
aoqi@0 | 38 | |
aoqi@0 | 39 | public interface D { |
aoqi@0 | 40 | A m(A strategy); |
aoqi@0 | 41 | A m(B strategy); |
aoqi@0 | 42 | } |
aoqi@0 | 43 | |
aoqi@0 | 44 | public interface T1 extends C, D { } |
aoqi@0 | 45 | public interface T2 extends D, C { } |
aoqi@0 | 46 | |
aoqi@0 | 47 | int count; |
aoqi@0 | 48 | |
aoqi@0 | 49 | class T1Impl implements T1, T2 { |
aoqi@0 | 50 | public A m(B strategy) { |
aoqi@0 | 51 | count++; |
aoqi@0 | 52 | return null; |
aoqi@0 | 53 | } |
aoqi@0 | 54 | public A m(A strategy) { |
aoqi@0 | 55 | throw new AssertionError("Should not get here."); |
aoqi@0 | 56 | } |
aoqi@0 | 57 | } |
aoqi@0 | 58 | |
aoqi@0 | 59 | public static void main(String... args) { |
aoqi@0 | 60 | new AmbiguityErrorTest().test(); |
aoqi@0 | 61 | } |
aoqi@0 | 62 | |
aoqi@0 | 63 | void test() { |
aoqi@0 | 64 | T1 t1 = new T1Impl(); |
aoqi@0 | 65 | T2 t2 = new T1Impl(); |
aoqi@0 | 66 | final B b = new B() { }; |
aoqi@0 | 67 | t1.m(b); |
aoqi@0 | 68 | t2.m(b); |
aoqi@0 | 69 | |
aoqi@0 | 70 | if (count != 2) { |
aoqi@0 | 71 | throw new IllegalStateException("Did not call the methods properly"); |
aoqi@0 | 72 | } |
aoqi@0 | 73 | } |
aoqi@0 | 74 | |
aoqi@0 | 75 | } |