test/jdk/java/net/DatagramSocket/BindFailTest.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 1.1 98/08/06
 * @bug 4326262
 * @summary  test that a bind failure doesn't consume an fd until
 *           the datagramsocket finalizer runs.
 */
import java.net.DatagramSocket;
import java.net.BindException;
import java.net.SocketException;

public class BindFailTest {

    public static void main(String args[]) throws Exception {
        DatagramSocket s = new DatagramSocket();
        int port = s.getLocalPort();

        for (int i=0; i<32000; i++) {
            try {
                DatagramSocket s2 = new DatagramSocket(port);
            } catch (BindException e) {
            }
        }
    }
}