/*

 * Copyright (c) 2001, 2010, 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

 * @summary Test trivial stuff

 */

import java.nio.channels.*;

public class Trivial {

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

        SocketChannel sc = SocketChannel.open();

        Selector sel = Selector.open();

        try {

            if (sc.keyFor(sel) != null)

                throw new Exception("keyFor != null");

            sc.configureBlocking(false);

            SelectionKey sk = sc.register(sel, SelectionKey.OP_READ, args);

            if (sc.keyFor(sel) != sk)

                throw new Exception("keyFor returned " + sc.keyFor(sel));

            if (sk.attachment() != args)

                throw new Exception("attachment() returned " + sk.attachment());

            Trivial t = new Trivial();

            sk.attach(t);

            if (sk.attachment() != t)

                throw new Exception("Wrong attachment");

            sk.isReadable();

            sk.isWritable();

            sk.isConnectable();

            sk.isAcceptable();

        } finally {

            sel.close();

            sc.close();

        }

    }

}