test/langtools/tools/javac/T8207320/IntersectionOrderTest2.java

/*
 * Copyright (c) 2018, 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.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * @test 8207320
 * @summary Wrong type order for intersection lambdas with multiple abstract methods
 */

public class IntersectionOrderTest2 {
    interface A {
        void a();
    }

    interface B {
        void b();
    }

    interface C {
        void c();
    }

    interface AB extends A, B {
        @Override
        default void a() {
            System.out.println("A");
        }

        @Override
        default void b() {
            System.out.println("B");
        }
    }

    public static void main(String[] args) {
        Runnable a = ((A & B & AB & C) () -> System.out.println("Called"))::b;
        a.run();
    }
}