1 /*

     2  * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 /**

    26  * @test

    27  * @bug 6892265

    28  * @summary System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes

    29  *

    30  * @run main/othervm Test

    31  */

    32 

    33 public class Test {

    34   static  final int NCOPY = 1;

    35   static  final int OVERFLOW = 1;

    36   static  int[] src2 = new int[NCOPY];

    37   static  int[] dst2;

    38 

    39   static void test() {

    40     int N;

    41     int SIZE;

    42 

    43     N = Integer.MAX_VALUE/4 + OVERFLOW;

    44     System.arraycopy(src2, 0, dst2, N, NCOPY);

    45     System.arraycopy(dst2, N, src2, 0, NCOPY);

    46   }

    47 

    48   public static void main(String[] args) {

    49     try {

    50       dst2 = new int[NCOPY + Integer.MAX_VALUE/4 + OVERFLOW];

    51     } catch (OutOfMemoryError e) {

    52        System.exit(95); // Not enough memory

    53     }

    54     System.out.println("warmup");

    55     for (int i=0; i <11000; i++) {

    56       test();

    57     }

    58     System.out.println("start");

    59     for (int i=0; i <1000; i++) {

    60       test();

    61     }

    62     System.out.println("finish");

    63   }

    64 

    65 }