Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/resolve/AmbiguityErrorTest.java
test/tools/javac/resolve/AmbiguityErrorTest.java
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| 1 /* | |
| 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 8041663 | |
| 27 */ | |
| 28 | |
| 29 public class AmbiguityErrorTest { | |
| 30 | |
| 31 public interface A { } | |
| 32 | |
| 33 public interface B extends A { } | |
| 34 | |
| 35 public interface C { | |
| 36 A m(B strategy); | |
| 37 } | |
| 38 | |
| 39 public interface D { | |
| 40 A m(A strategy); | |
| 41 A m(B strategy); | |
| 42 } | |
| 43 | |
| 44 public interface T1 extends C, D { } | |
| 45 public interface T2 extends D, C { } | |
| 46 | |
| 47 int count; | |
| 48 | |
| 49 class T1Impl implements T1, T2 { | |
| 50 public A m(B strategy) { | |
| 51 count++; | |
| 52 return null; | |
| 53 } | |
| 54 public A m(A strategy) { | |
| 55 throw new AssertionError("Should not get here."); | |
| 56 } | |
| 57 } | |
| 58 | |
| 59 public static void main(String... args) { | |
| 60 new AmbiguityErrorTest().test(); | |
| 61 } | |
| 62 | |
| 63 void test() { | |
| 64 T1 t1 = new T1Impl(); | |
| 65 T2 t2 = new T1Impl(); | |
| 66 final B b = new B() { }; | |
| 67 t1.m(b); | |
| 68 t2.m(b); | |
| 69 | |
| 70 if (count != 2) { | |
| 71 throw new IllegalStateException("Did not call the methods properly"); | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 } |
