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 package test.java.util.Timer; 32 33 import java.util.*; 34 35 public class Purge { main(String[] args)36 public static void main (String[] args) { 37 Random rnd = new Random(); 38 Timer timer = new Timer(); 39 int cancelled = 0; 40 for (long i = 1; i <= 1000; i++) { 41 TimerTask task = new TimerTask() { 42 public void run() { 43 System.out.println("How come no one ever calls me?"); 44 } 45 }; 46 timer.schedule(task, i * 60*60*1000); // i hrs. hence. 47 if (i != 1 && rnd.nextBoolean()) { 48 task.cancel(); 49 cancelled++; 50 } 51 } 52 int purged = timer.purge(); 53 if (purged != cancelled) 54 throw new RuntimeException(purged + " != " + cancelled); 55 purged = timer.purge(); 56 if (purged != 0) 57 throw new RuntimeException(purged + " nonzero"); 58 timer.cancel(); 59 } 60 } 61