test/jdk/java/net/MulticastSocket/Reuse.java

/*
 * Copyright (c) 2000, 2019, 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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 */

import java.net.MulticastSocket;
import java.net.BindException;

/*
 * @test
 * @summary Check if MulticastSocket sets SO_REUSEADDR
 */

public class Reuse {
    public static void main(String[] args) throws Exception {
        MulticastSocket s1, s2;

        try {
            s1 = new MulticastSocket(4160);
            s2 = new MulticastSocket(4160);
            s1.close();
            s2.close();
        } catch (BindException e) {
            throw new RuntimeException("MulticastSocket do no set SO_REUSEADDR");
        }
    }
}