1 /*
   2  * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   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 4481072
  27  * @summary Basic test for purge method
  28  * @key randomness
  29  */
  30 
  31 import java.util.*;
  32 
  33 public class Purge {
  34     public static void main (String[] args) {
  35         Random rnd = new Random();
  36         Timer timer = new Timer();
  37         int cancelled = 0;
  38         for (long i = 1; i <= 1000; i++) {
  39             TimerTask task = new TimerTask() {
  40                 public void run() {
  41                     System.out.println("How come no one ever calls me?");
  42                 }
  43             };
  44             timer.schedule(task, i * 60*60*1000); // i hrs. hence.
  45             if (i != 1 && rnd.nextBoolean()) {
  46                 task.cancel();
  47                 cancelled++;
  48             }
  49         }
  50         int purged = timer.purge();
  51         if (purged != cancelled)
  52             throw new RuntimeException(purged + " != " + cancelled);
  53         purged = timer.purge();
  54         if (purged != 0)
  55             throw new RuntimeException(purged + " nonzero");
  56         timer.cancel();
  57     }
  58 }
--- EOF ---