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 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

/*

 * @test

 * @bug 8024947

 * @summary javac should issue the potentially ambiguous overload warning only

 * where the problem appears

 * @compile/fail/ref=PotentiallyAmbiguousWarningTest.out -XDrawDiagnostics -Werror -Xlint:overloads PotentiallyAmbiguousWarningTest.java

 * @compile PotentiallyAmbiguousWarningTest.java

 */

import java.util.function.*;

public interface PotentiallyAmbiguousWarningTest {

    //a warning should be fired

    interface I1 {

        void foo(Consumer<Integer> c);

        void foo(IntConsumer c);

    }

    //a warning should be fired

    class C1 {

        void foo(Consumer<Integer> c) { }

        void foo(IntConsumer c) { }

    }

    interface I2 {

        void foo(Consumer<Integer> c);

    }

    //a warning should be fired, J1 is provoking the issue

    interface J1 extends I2 {

        void foo(IntConsumer c);

    }

    //no warning here, the issue is introduced in I1

    interface I3 extends I1 {}

    //no warning here, the issue is introduced in I1. I4 is just overriding an existing method

    interface I4 extends I1 {

        void foo(IntConsumer c);

    }

    class C2 {

        void foo(Consumer<Integer> c) { }

    }

    //a warning should be fired, D1 is provoking the issue

    class D1 extends C2 {

        void foo(IntConsumer c) { }

    }

    //a warning should be fired, C3 is provoking the issue

    class C3 implements I2 {

        public void foo(Consumer<Integer> c) { }

        public void foo(IntConsumer c) { }

    }

    //no warning here, the issue is introduced in C1

    class C4 extends C1 {}

    //no warning here, the issue is introduced in C1. C5 is just overriding an existing method

    class C5 extends C1 {

        void foo(IntConsumer c) {}

    }

    interface I5<T> {

        void foo(T c);

    }

    //a warning should be fired, J2 is provoking the issue

    interface J2 extends I5<IntConsumer> {

        void foo(Consumer<Integer> c);

    }

}