/*

 * Copyright (c) 2003, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/* @test

 * @bug 4797768

 * @summary test configureBlocking on closed channels

 */

import java.io.*;

import java.nio.channels.*;

public class ConfigureBlocking {

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

        SelectableChannel [] channels = null;

        channels = new SelectableChannel [] {

            DatagramChannel.open(),

            SocketChannel.open(),

            ServerSocketChannel.open()};

        for (int i = 0; i < channels.length; i++) {

            SelectableChannel channel = channels[i];

            channel.close();

            try {

                channel.configureBlocking(true);

                throw new RuntimeException("expected exception not thrown");

            } catch (ClosedChannelException e) {

                // Correct result

            }

        }

    }

}