1   /*
2    * $Header$
3    * $Revision$
4    * $Date$
5    *
6    * ====================================================================
7    *
8    * Copyright 2000-2002 bob mcwhirter & James Strachan.
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 are
13   * met:
14   * 
15   *   * Redistributions of source code must retain the above copyright
16   *     notice, this list of conditions and the following disclaimer.
17   * 
18   *   * Redistributions in binary form must reproduce the above copyright
19   *     notice, this list of conditions and the following disclaimer in the
20   *     documentation and/or other materials provided with the distribution.
21   * 
22   *   * Neither the name of the Jaxen Project nor the names of its
23   *     contributors may be used to endorse or promote products derived 
24   *     from this software without specific prior written permission.
25   * 
26   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
27   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
29   * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
30   * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
33   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
34   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
35   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
36   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37   *
38   * ====================================================================
39   * This software consists of voluntary contributions made by many 
40   * individuals on behalf of the Jaxen Project and was originally 
41   * created by bob mcwhirter <bob@werken.com> and 
42   * James Strachan <jstrachan@apache.org>.  For more information on the 
43   * Jaxen Project, please see <http://www.jaxen.org/>.
44   * 
45   * $Id$
46   */
47  
48  
49  
50  package org.jaxen.test;
51  
52  import javax.xml.parsers.DocumentBuilderFactory;
53  import javax.xml.parsers.ParserConfigurationException;
54  
55  import org.jaxen.JaxenException;
56  import org.jaxen.dom.DOMXPath;
57  import org.w3c.dom.Document;
58  import org.w3c.dom.Element;
59  
60  import junit.framework.TestCase;
61  
62  /***
63   * <p>
64   *  Test for the remainder function.
65   * </p>
66   * 
67   * @author Elliotte Rusty Harold
68   * @version 1.1.1
69   *
70   */
71  public class ModTest extends TestCase
72  {
73  
74      public void testModofNonIntegers() 
75        throws JaxenException, ParserConfigurationException {
76          
77          DOMXPath xpath = new DOMXPath("5.5 mod 2.5");
78          
79          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
80          factory.setNamespaceAware(true);
81          Document doc = factory.newDocumentBuilder().newDocument();
82          Element root = doc.createElement("root");
83          doc.appendChild(root);
84          
85          Double result = (Double) xpath.evaluate(doc);
86          assertEquals(0.5, result.doubleValue(), 0.000001);
87          
88      }
89   
90  }