/*
 * Copyright (c) 2012, 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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 * questions.
 */

/*
 * @test
 * @bug 7181793
 * @summary FileDescriptor keeps its own hard reference to Closeables
 * @run main/othervm -Xmx32m FDStrongReference
 */

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class FDStrongReference {

    static int port;
 
    public static void main(String[] args) throws IOException {
        final ServerSocket ss = new ServerSocket(0);
        port = ss.getLocalPort();
        new Thread(new Runnable() {
          public void run() {
              try {
                 ss.accept();
              } catch (IOException e) {
                e.printStackTrace();
              }
          }
        }).start();

        int i = 0;
        Socket socket = new Socket("localhost", port);
        while(i <= 1000000) {
            // buggy JDK will run out of memory in this loop
            socket.getOutputStream();
            if (++i % 100000 == 0) System.out.println(i);
        }
    }
}