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  * @test
  26  * @bug 8021204
  27  * @summary Test constructor BigInteger(String val, int radix) on very long string
  28  * @requires os.maxMemory > 8g
  29  * @run main/othervm -Xshare:off -Xmx8g StringConstructorOverflow
  30  * @author Dmitry Nadezhin
  31  */
  32 import java.math.BigInteger;
  33 
  34 public class StringConstructorOverflow {
  35 
  36     // String with hexadecimal value pow(2,pow(2,34))+1
  37     private static String makeLongHexString() {
  38         StringBuilder sb = new StringBuilder();
  39         sb.append('1');
  40         for (int i = 0; i < (1 << 30) - 1; i++) {
  41             sb.append('0');
  42         }
  43         sb.append('1');
  44         return sb.toString();
  45     }
  46 
  47     public static void main(String[] args) {
  48         try {

   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  * @test
  26  * @bug 8021204
  27  * @summary Test constructor BigInteger(String val, int radix) on very long string
  28  * @requires (sun.arch.data.model == "64" & os.maxMemory > 8g)
  29  * @run main/othervm -Xshare:off -Xmx8g StringConstructorOverflow
  30  * @author Dmitry Nadezhin
  31  */
  32 import java.math.BigInteger;
  33 
  34 public class StringConstructorOverflow {
  35 
  36     // String with hexadecimal value pow(2,pow(2,34))+1
  37     private static String makeLongHexString() {
  38         StringBuilder sb = new StringBuilder();
  39         sb.append('1');
  40         for (int i = 0; i < (1 << 30) - 1; i++) {
  41             sb.append('0');
  42         }
  43         sb.append('1');
  44         return sb.toString();
  45     }
  46 
  47     public static void main(String[] args) {
  48         try {