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  * @run clean MissingNotificationTest
  30  * @run build MissingNotificationTest
  31  * @run main MissingNotificationTest

  32  */
  33 
  34 import java.util.Date;
  35 import java.util.Random;
  36 import java.util.concurrent.ExecutorService;
  37 import java.util.concurrent.Executors;
  38 import java.util.concurrent.TimeUnit;
  39 import javax.management.timer.Timer;
  40 import javax.management.Notification;
  41 import javax.management.NotificationListener;
  42 
  43 public class MissingNotificationTest {
  44     private static int TASK_COUNT = 10000;
  45     private static long fixedDelay = 0;// anything bigger than 100 and no alarms remain unfired
  46 
  47     private static class NotifListener implements NotificationListener {
  48 
  49         int count;
  50 
  51         public synchronized void handleNotification(Notification notification, Object handback) {

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