test/java/net/DatagramPacket/CheckBoundaries.java

/*
 * Copyright (c) 2006, 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 6464024
 * @summary DatagramPacket suffers from integer overflow in buffer checks.
 */
import java.net.DatagramPacket;

public class CheckBoundaries {
    public static void main(String[] args) {
        boolean exception = false;
        try {
            final int offset = Integer.MAX_VALUE;
            final int length = 1;
            new DatagramPacket(new byte[1024], offset, length);
        } catch (IllegalArgumentException e) {
            exception = true;
        }
        if (!exception)
            throw new RuntimeException("IllegalArgumentException not thrown!");
    }
}