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 }