test/jdk/java/nio/channels/DatagramChannel/IsBound.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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 * 2 along with this work; if not, write to the Free Software Foundation,
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/* @test
 * @bug 4468875
 * @summary Simple test of DatagramChannel isBound
 * @library .. /test/lib
 * @build jdk.test.lib.Utils TestServers
 * @run main IsBound
 */

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


public class IsBound {
    public static void main(String argv[]) throws Exception {
        try (TestServers.UdpDayTimeServer daytimeServer
                = TestServers.UdpDayTimeServer.startNewServer(100)) {
            InetSocketAddress isa = new InetSocketAddress(
                daytimeServer.getAddress(),
                daytimeServer.getPort());
            ByteBuffer bb = ByteBuffer.allocateDirect(256);
            bb.put("hello".getBytes());
            bb.flip();

            DatagramChannel dc = DatagramChannel.open();
            dc.send(bb, isa);
            if(!dc.socket().isBound())
                throw new Exception("Test failed");
            dc.close();

            dc = DatagramChannel.open();
            if(dc.socket().isBound())
                throw new Exception("Test failed");
            dc.close();
        }
    }
}