1   /*
2    * $Header$
3    * $Revision$
4    * $Date$
5    *
6    * ====================================================================
7    *
8    * Copyright (C) 2005 Elliotte Rusty Harold.
9    * All rights reserved.
10   *
11   * Redistribution and use in source and binary forms, with or without
12   * modification, are permitted provided that the following conditions
13   * are met:
14   * 
15   * 1. Redistributions of source code must retain the above copyright
16   *    notice, this list of conditions, and the following disclaimer.
17   *
18   * 2. Redistributions in binary form must reproduce the above copyright
19   *    notice, this list of conditions, and the disclaimer that follows 
20   *    these conditions in the documentation and/or other materials 
21   *    provided with the distribution.
22   *
23   * 3. The name "Jaxen" must not be used to endorse or promote products
24   *    derived from this software without prior written permission.  For
25   *    written permission, please contact license@jaxen.org.
26   * 
27   * 4. Products derived from this software may not be called "Jaxen", nor
28   *    may "Jaxen" appear in their name, without prior written permission
29   *    from the Jaxen Project Management (pm@jaxen.org).
30   * 
31   * In addition, we request (but do not require) that you include in the 
32   * end-user documentation provided with the redistribution and/or in the 
33   * software itself an acknowledgement equivalent to the following:
34   *     "This product includes software developed by the
35   *      Jaxen Project (http://www.jaxen.org/)."
36   * Alternatively, the acknowledgment may be graphical using the logos 
37   * available at http://www.jaxen.org/
38   *
39   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
40   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
41   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
42   * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
43   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
45   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
46   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
47   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
48   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
49   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50   * SUCH DAMAGE.
51   *
52   * ====================================================================
53   * This software consists of voluntary contributions made by many 
54   * individuals on behalf of the Jaxen Project and was originally 
55   * created by bob mcwhirter <bob@werken.com> and 
56   * James Strachan <jstrachan@apache.org>.  For more information on the 
57   * Jaxen Project, please see <http://www.jaxen.org/>.
58   * 
59   * $Id$
60   */
61  
62  package org.jaxen.function;
63  
64  import javax.xml.parsers.DocumentBuilder;
65  import javax.xml.parsers.DocumentBuilderFactory;
66  import javax.xml.parsers.ParserConfigurationException;
67  
68  import junit.framework.TestCase;
69  
70  import org.jaxen.FunctionCallException;
71  import org.jaxen.JaxenException;
72  import org.jaxen.XPath;
73  import org.jaxen.dom.DOMXPath;
74  import org.w3c.dom.Document;
75  
76  /***
77   * @author Elliotte Rusty Harold
78   *
79   */
80  public class FalseTest extends TestCase {
81  
82      private Document doc;
83      
84      public void setUp() throws ParserConfigurationException
85      {
86          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
87          factory.setNamespaceAware(true);
88          DocumentBuilder builder = factory.newDocumentBuilder();
89          doc = builder.newDocument();
90          doc.appendChild(doc.createElement("root"));
91      }
92  
93  
94      public FalseTest(String name) {
95          super(name);
96      }
97  
98      public void testFalseOfNumber() throws JaxenException
99      {
100         try
101         {
102             XPath xpath = new DOMXPath( "false(3)" );
103             xpath.selectNodes( doc );
104             fail("false() function took arguments");
105         }
106         catch (FunctionCallException e) 
107         {
108             assertEquals("false() requires no arguments.", e.getMessage());
109         }
110     }    
111 
112     public void testFalse() throws JaxenException
113     {
114         XPath xpath = new DOMXPath( "false()" );
115         Object result = xpath.evaluate( doc );
116         assertEquals(Boolean.FALSE, result);
117     }    
118 
119 }