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test/compiler/runtime/Test6892265.java

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rev 11557 : 8132919: use package in compiler tests
Reviewed-by: duke


  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 }


  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 compiler.runtime.Test6892265
  31  */
  32 
  33 package compiler.runtime;
  34 
  35 public class Test6892265 {
  36     static final int NCOPY = 1;
  37     static final int OVERFLOW = 1;
  38     static int[] src2 = new int[NCOPY];
  39     static int[] dst2;
  40 
  41     static void test() {
  42         int N;
  43         int SIZE;
  44 
  45         N = Integer.MAX_VALUE / 4 + OVERFLOW;
  46         System.arraycopy(src2, 0, dst2, N, NCOPY);
  47         System.arraycopy(dst2, N, src2, 0, NCOPY);
  48     }
  49 
  50     public static void main(String[] args) {
  51         try {
  52             dst2 = new int[NCOPY + Integer.MAX_VALUE / 4 + OVERFLOW];
  53         } catch (OutOfMemoryError e) {
  54             System.exit(95); // Not enough memory
  55         }
  56         System.out.println("warmup");
  57         for (int i = 0; i < 11000; i++) {
  58             test();
  59         }
  60         System.out.println("start");
  61         for (int i = 0; i < 1000; i++) {
  62             test();
  63         }
  64         System.out.println("finish");
  65     }
  66 
  67 }
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