BufferSize.java

/*
 * Copyright 2002 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
 * @bug 4514230
 * @summary Test setting illegal buffer sizes
 * @library ../../../..
 */

import java.nio.channels.*;
import java.net.*;

public class BufferSize {

    static final int DAYTIME_PORT = 13;
    static final String DAYTIME_HOST = TestEnv.getProperty("host");

    public static void main(String[] args) throws Exception {
        InetSocketAddress isa
            = new InetSocketAddress(InetAddress.getByName(DAYTIME_HOST),
                                    DAYTIME_PORT);
        ServerSocketChannel sc = ServerSocketChannel.open();
        try {
            sc.socket().setReceiveBufferSize(-1);
            throw new Exception("Illegal size accepted");
        } catch (IllegalArgumentException iae) {
            // correct behavior
        }
        try {
            sc.socket().setReceiveBufferSize(0);
            throw new Exception("Illegal size accepted");
        } catch (IllegalArgumentException iae) {
            // correct behavior
        }
        sc.close();
    }
}