1   /*
2    * Copyright (C) 2004 TiongHiang Lee
3    *
4    * This library is free software; you can redistribute it and/or
5    * modify it under the terms of the GNU Lesser General Public
6    * License as published by the Free Software Foundation; either
7    * version 2.1 of the License, or (at your option) any later version.
8    *
9    * This library is distributed in the hope that it will be useful,
10   * but WITHOUT ANY WARRANTY; without even the implied warranty of
11   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12   * Lesser General Public License for more details.
13   *
14   * You should have received a copy of the GNU Lesser General Public
15   * License along with this library; if not,  write to the Free Software
16   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
17   *
18   * Email: thlee@onemindsoft.org
19   */
20  
21  package org.onemind.commons.java.lang.ref;
22  
23  import junit.framework.TestCase;
24  /***
25   * Testing SoftHashMap
26   * @author TiongHiang Lee (thlee@onemindsoft.org)
27   * @version $Id: SoftHashMapTest.java,v 1.2 2004/10/31 16:03:13 thlee Exp $ $Name:  $
28   */
29  public class SoftHashMapTest extends TestCase
30  {
31  
32      /*** the map **/
33      private SoftHashMap _map;
34  
35      /*** 
36       * {@inheritDoc}
37       */
38      public void setUp()
39      {
40          _map = new SoftHashMap();
41      }
42  
43      /***
44       * Test the map
45       * @throws Exception  
46       */
47      public void testMap() throws Exception
48      {
49          boolean collected = false;
50          for (int i = 1; i < 1000; i++)
51          {
52              _map.put(new Integer(i), new Integer(i));
53              if (_map.size() < i)
54              {
55                  collected = true;
56                  break;
57              }
58              System.gc();
59          }
60          if (!collected)
61          {
62              throw new Exception("SoftHashMap entries are not garbage collected");
63          }
64      }
65  }