1 /*
   2  * Copyright (c) 2009, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * 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 }