1 /*

     2  * Copyright 2003 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @bug 4481072

    27  * @summary Basic test for purge method

    28  */

    29 

    30 import java.util.*;

    31 

    32 public class Purge {

    33     public static void main (String[] args) {

    34         Random rnd = new Random();

    35         Timer timer = new Timer();

    36         int cancelled = 0;

    37         for (long i = 1; i <= 1000; i++) {

    38             TimerTask task = new TimerTask() {

    39                 public void run() {

    40                     System.out.println("How come no one ever calls me?");

    41                 }

    42             };

    43             timer.schedule(task, i * 60*60*1000); // i hrs. hence.

    44             if (i != 1 && rnd.nextBoolean()) {

    45                 task.cancel();

    46                 cancelled++;

    47             }

    48         }

    49         int purged = timer.purge();

    50         if (purged != cancelled)

    51             throw new RuntimeException(purged + " != " + cancelled);

    52         purged = timer.purge();

    53         if (purged != 0)

    54             throw new RuntimeException(purged + " nonzero");

    55         timer.cancel();

    56     }

    57 }