/*

 * 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.

 *

 */

/* @test

   @bug 4960962 6215050

   @summary Test if the registered SocketChannel can be closed immediately

   @run main/timeout=10 CloseRegisteredChannel

 */

import java.io.*;

import java.nio.*;

import java.nio.channels.*;

import java.net.*;

public class CloseRegisteredChannel {

    public static void main(String[] args) throws Exception {

        ServerSocketChannel server = ServerSocketChannel.open();

        ServerSocket s = server.socket ();

        s.bind (new InetSocketAddress (0));

        int port = s.getLocalPort ();

        //System.out.println ("listening on port " + port);

        SocketChannel client = SocketChannel.open ();

        client.connect (new InetSocketAddress ("127.0.0.1", port));

        SocketChannel slave = server.accept ();

        slave.configureBlocking (true);

        Selector selector = Selector.open ();

        client.configureBlocking (false);

        SelectionKey key = client.register (

            selector, SelectionKey.OP_READ, null

        );

        client.close();

        //System.out.println ("client.isOpen = " + client.isOpen());

        System.out.println ("Will hang here...");

        int nb = slave.read (ByteBuffer.allocate (1024));

        //System.out.println("read nb=" + nb);

    }

}