jdk/test/java/net/DatagramPacket/Offset.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
 * @bug 4203729
 * @summary Make sure that setData(byte[]) method resets offet
 */
import java.net.DatagramPacket;

public class Offset {

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

        byte b1[] = new byte[1024];
        DatagramPacket p = new DatagramPacket(b1, 512, 512 );

        byte b2[] = new byte[20];
        p.setData(b2);

        if (p.getOffset() != 0) {
            throw new Exception("setData(byte[]) didn't reset offset");
        }
    }

}