/*

 * Copyright (c) 2014, 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

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 */

/**

 * @test

 * @bug 8031695

 * @summary CHA ignores default methods during analysis leading to incorrect code generation

 *

 * @run main/othervm -Xbatch DefaultAndConcreteMethodsCHA

 */

interface I {

    default int m() { return 0; }

}

class A implements I {}

class C extends A { }

class D extends A { public int m() { return 1; } }

public class DefaultAndConcreteMethodsCHA {

    public static int test(A obj) {

        return obj.m();

    }

    public static void main(String[] args) {

        for (int i = 0; i < 10000; i++) {

            int idC = test(new C());

            if (idC != 0) {

                throw new Error("C.m didn't invoke I.m: id "+idC);

            }

            int idD = test(new D());

            if (idD != 1) {

                throw new Error("D.m didn't invoke D.m: id "+idD);

            }

        }

    }

}