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  * @test
  26  * @bug 6809322

  27  * @summary Test for missing notifications in a high concurrency environment
  28  * @author Jaroslav Bachorik
  29  * @modules java.management
  30  * @run clean MissingNotificationTest
  31  * @run build MissingNotificationTest
  32  * @run main MissingNotificationTest
  33  * @key randomness
  34  */
  35 
  36 import java.util.Date;
  37 import java.util.Random;
  38 import java.util.concurrent.ExecutorService;
  39 import java.util.concurrent.Executors;
  40 import java.util.concurrent.TimeUnit;
  41 import javax.management.timer.Timer;
  42 import javax.management.Notification;
  43 import javax.management.NotificationListener;
  44 
  45 public class MissingNotificationTest {
  46     private static int TASK_COUNT = 10000;
  47     private static long fixedDelay = 0;// anything bigger than 100 and no alarms remain unfired
  48 
  49     private static class NotifListener implements NotificationListener {
  50 
  51         int count;
  52 
  53         public synchronized void handleNotification(Notification notification, Object handback) {

   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  * @test
  26  * @bug 6809322
  27  * @key randomness
  28  * @summary Test for missing notifications in a high concurrency environment
  29  * @author Jaroslav Bachorik
  30  *
  31  * @run clean MissingNotificationTest
  32  * @run build MissingNotificationTest
  33  * @run main MissingNotificationTest

  34  */
  35 
  36 import java.util.Date;
  37 import java.util.Random;
  38 import java.util.concurrent.ExecutorService;
  39 import java.util.concurrent.Executors;
  40 import java.util.concurrent.TimeUnit;
  41 import javax.management.timer.Timer;
  42 import javax.management.Notification;
  43 import javax.management.NotificationListener;
  44 
  45 public class MissingNotificationTest {
  46     private static int TASK_COUNT = 10000;
  47     private static long fixedDelay = 0;// anything bigger than 100 and no alarms remain unfired
  48 
  49     private static class NotifListener implements NotificationListener {
  50 
  51         int count;
  52 
  53         public synchronized void handleNotification(Notification notification, Object handback) {