test/java/nio/channels/DatagramChannel/NoSender.java

/*
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 * 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 4487193
 * @summary Test nonblocking receive with no sender
 */

import java.net.*;
import java.nio.*;
import java.nio.channels.*;

public class NoSender {
    public static void main(String argv[]) throws Exception {
        DatagramChannel dc = DatagramChannel.open();
        dc.socket().bind(new InetSocketAddress(5441));
        dc.configureBlocking(false);
        ByteBuffer buf1 = ByteBuffer.allocateDirect(256);
        SocketAddress sa1 = dc.receive(buf1);
        if (sa1 != null)
            throw new RuntimeException("Test failed");
        dc.close();
    }
}