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 javax.xml.parsers.DocumentBuilderFactory;
66  import javax.xml.parsers.ParserConfigurationException;
67  
68  import org.jaxen.UnsupportedAxisException;
69  import org.w3c.dom.Document;
70  
71  import junit.framework.TestCase;
72  
73  public class PrecedingSiblingAxisIteratorTest extends TestCase {
74  
75      private Iterator iterator;
76  
77      public PrecedingSiblingAxisIteratorTest(String name) {
78          super(name);
79      }
80      
81      protected void setUp() throws ParserConfigurationException, UnsupportedAxisException {
82          
83          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
84          factory.setNamespaceAware(true);
85          Document doc = factory.newDocumentBuilder().newDocument();
86          doc.appendChild(doc.createElement("root"));
87          
88          iterator = new PrecedingSiblingAxisIterator(doc, new org.jaxen.dom.DocumentNavigator());
89          
90      }
91      
92      
93      public void testNoInfiniteLoops() {
94       
95          try {
96              iterator.next();
97              fail("Iterated too far");   
98          }
99          catch (NoSuchElementException ex) {
100             pass();
101         }
102         
103     }
104     
105     
106     private void pass() {
107         // Just to make checkstyle and the like happy
108     }
109 
110     public void testRemove() {
111         
112         try {
113             iterator.remove();
114             fail("Removed from descendant axis iterator");   
115         }
116         catch (UnsupportedOperationException ex) {
117             pass();
118         }
119         
120     }
121     
122 }