1   /* $Header$
2    * $Revision$
3    * $Date$
4    *
5    * ====================================================================
6    *
7    * Copyright (C) 2005 Elliotte Rusty Harold.
8    * All rights reserved.
9    *
10   * Redistribution and use in source and binary forms, with or without
11   * modification, are permitted provided that the following conditions
12   * are met:
13   * 
14   * 1. Redistributions of source code must retain the above copyright
15   *    notice, this list of conditions, and the following disclaimer.
16   *
17   * 2. Redistributions in binary form must reproduce the above copyright
18   *    notice, this list of conditions, and the disclaimer that follows 
19   *    these conditions in the documentation and/or other materials 
20   *    provided with the distribution.
21   *
22   * 3. The name "Jaxen" must not be used to endorse or promote products
23   *    derived from this software without prior written permission.  For
24   *    written permission, please contact license@jaxen.org.
25   * 
26   * 4. Products derived from this software may not be called "Jaxen", nor
27   *    may "Jaxen" appear in their name, without prior written permission
28   *    from the Jaxen Project Management (pm@jaxen.org).
29   * 
30   * In addition, we request (but do not require) that you include in the 
31   * end-user documentation provided with the redistribution and/or in the 
32   * software itself an acknowledgement equivalent to the following:
33   *     "This product includes software developed by the
34   *      Jaxen Project (http://www.jaxen.org/)."
35   * Alternatively, the acknowledgment may be graphical using the logos 
36   * available at http://www.jaxen.org/
37   *
38   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
39   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
40   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
42   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
45   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
46   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
48   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49   * SUCH DAMAGE.
50   *
51   * ====================================================================
52   * This software consists of voluntary contributions made by many 
53   * individuals on behalf of the Jaxen Project and was originally 
54   * created by bob mcwhirter <bob@werken.com> and 
55   * James Strachan <jstrachan@apache.org>.  For more information on the 
56   * Jaxen Project, please see <http://www.jaxen.org/>.
57   * 
58   * $Id$
59   */
60  package org.jaxen.util;
61  
62  import java.util.Iterator;
63  import java.util.NoSuchElementException;
64  
65  import junit.framework.TestCase;
66  
67  public class SingleObjectIteratorTest extends TestCase {
68  
69      private Iterator iterator = new SingleObjectIterator(new Object());
70      
71      public void testNoInfiniteLoops() {
72       
73          iterator.next();
74          try {
75              iterator.next();
76              fail("Iterated twice");   
77          }
78          catch (NoSuchElementException ex) {
79          }
80          
81      }
82      
83      
84      public void testRemove() {
85          
86          try {
87              iterator.remove();
88              fail("Removed from iterator");   
89          }
90          catch (UnsupportedOperationException ex) {
91          }
92          
93      }
94      
95  }