/*
* Copyright ( c ) 2009 , 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 6892265
* @ summary System . arraycopy unable to reference elements beyond Integer . MAX_VALUE bytes
*
* @ run main / othervm compiler . runtime . Test6892265
*/
package compiler.runtime;
public class Test6892265 {
static final int NCOPY = 1 ;
static final int OVERFLOW = 1 ;
static int [] src2 = new int [NCOPY];
static int [] dst2;
static void test() {
int N;
int SIZE;
N = Integer.MAX_VALUE / 4 + OVERFLOW;
System.arraycopy(src2, 0 , dst2, N, NCOPY);
System.arraycopy(dst2, N, src2, 0 , NCOPY);
}
public static void main(String[] args) {
try {
dst2 = new int [NCOPY + Integer.MAX_VALUE / 4 + OVERFLOW];
} catch (OutOfMemoryError e) {
System.exit(95 ); // Not enough memory
}
System.out.println("warmup" );
for (int i = 0 ; i < 11000 ; i++) {
test();
}
System.out.println("start" );
for (int i = 0 ; i < 1000 ; i++) {
test();
}
System.out.println("finish" );
}
}
Messung V0.5 in Prozent C=96 H=87 G=91
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(vorverarbeitet am 2026-10-01)
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