Mercurial > jdk8-mips64-public > langtools / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/tools/javac/resolve/AmbiguityErrorTest.java	Wed Apr 27 01:34:52 2016 +0800
     1.3 @@ -0,0 +1,75 @@
     1.4 +/*
     1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + */
    1.26 +
    1.27 +/**
    1.28 + * @test
    1.29 + * @bug 8041663
    1.30 + */
    1.31 +
    1.32 +public class AmbiguityErrorTest {
    1.33 +
    1.34 +    public interface A { }
    1.35 +
    1.36 +    public interface B extends A { }
    1.37 +
    1.38 +    public interface C {
    1.39 +        A m(B strategy);
    1.40 +    }
    1.41 +
    1.42 +    public interface D {
    1.43 +        A m(A strategy);
    1.44 +        A m(B strategy);
    1.45 +    }
    1.46 +
    1.47 +    public interface T1 extends C, D { }
    1.48 +    public interface T2 extends D, C { }
    1.49 +
    1.50 +    int count;
    1.51 +
    1.52 +    class T1Impl implements T1, T2 {
    1.53 +        public A m(B strategy) {
    1.54 +            count++;
    1.55 +            return null;
    1.56 +        }
    1.57 +        public A m(A strategy) {
    1.58 +            throw new AssertionError("Should not get here.");
    1.59 +        }
    1.60 +    }
    1.61 +
    1.62 +    public static void main(String... args) {
    1.63 +        new AmbiguityErrorTest().test();
    1.64 +    }
    1.65 +
    1.66 +    void test() {
    1.67 +        T1 t1 = new T1Impl();
    1.68 +        T2 t2 = new T1Impl();
    1.69 +        final B b = new B() { };
    1.70 +        t1.m(b);
    1.71 +        t2.m(b);
    1.72 +
    1.73 +        if (count != 2) {
    1.74 +            throw new IllegalStateException("Did not call the methods properly");
    1.75 +        }
    1.76 +    }
    1.77 +
    1.78 +}