jdk/test/java/nio/channels/SocketChannel/Trivial.java

/*
 * Copyright 2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.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();
        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();
    }

}