1   /*** 
2    * 
3    * Copyright 2004 Hiram Chirino
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.activeio.journal.active;
19  
20  import java.io.IOException;
21  import java.util.ArrayList;
22  import java.util.Collections;
23  
24  import junit.framework.TestCase;
25  
26  /***
27   * Tests the data structures used JournalImpl
28   * 
29   * @version $Revision: 1.1 $
30   */
31  public class DataStruturesTest extends TestCase {
32          
33      synchronized public void testRecordLocationImplComparison() throws IOException {
34          Location l1 = new Location(0, 1); 
35          Location l2 = new Location(0, 2);
36          Location l3 = new Location(0, 3);
37  
38          assertTrue( l1.compareTo(l2)<0 );
39          
40          // Sort them using a list.  Put them in the wrong order.
41          ArrayList l = new ArrayList();
42          l.add(l2);
43          l.add(l3);
44          l.add(l1);        
45          Collections.sort(l);
46          
47          // Did they get sorted to the correct order?
48          assertSame( l.get(0), l1 );
49          assertSame( l.get(1), l2 );
50          assertSame( l.get(2), l3 );
51      }
52  }