8001032: Restrict object access
Summary: Restrict object access; fix reviewed also by Alexander Fomin
Reviewed-by: alanb, ahgross
/*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* version 2 for more details (a copy is included in the LICENSE file that
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
/**
* @test
* @bug 6892265
* @summary System.arraycopy unable to reference elements beyond Integer.MAX_VALUE bytes
*
* @run main/othervm Test
*/
public class Test {
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");
}
}