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 java.io.IOException;
65  
66  import javax.xml.parsers.DocumentBuilder;
67  import javax.xml.parsers.DocumentBuilderFactory;
68  import javax.xml.parsers.ParserConfigurationException;
69  
70  import junit.framework.TestCase;
71  
72  import org.jaxen.BaseXPath;
73  import org.jaxen.FunctionCallException;
74  import org.jaxen.JaxenException;
75  import org.jaxen.dom.DOMXPath;
76  import org.w3c.dom.Document;
77  import org.xml.sax.SAXException;
78  
79  /***
80   * @author Elliotte Rusty Harold
81   *
82   */
83  public class CeilingTest extends TestCase {
84  
85      private Document doc;
86      
87      public void setUp() throws ParserConfigurationException, SAXException, IOException
88      {
89          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
90          factory.setNamespaceAware(true);
91          DocumentBuilder builder = factory.newDocumentBuilder();
92          doc = builder.newDocument();
93          org.w3c.dom.Element a = doc.createElementNS("", "a");
94          doc.appendChild(a);
95      }
96  
97  
98      public CeilingTest(String name) {
99          super(name);
100     }
101 
102 
103 
104     public void testCeiling() throws JaxenException {
105         
106         BaseXPath xpath = new DOMXPath("ceiling(1.5)");
107         
108         Object result = xpath.evaluate(doc);
109         assertEquals(2, ((Double) result).doubleValue(), 0.0001);
110         
111     }    
112 
113     public void testNegativeCeiling() throws JaxenException {
114         
115         BaseXPath xpath = new DOMXPath("ceiling(-1.5)");
116         
117         Object result = xpath.evaluate(doc);
118         assertEquals(-1, ((Double) result).doubleValue(), 0.0001);
119         
120     }    
121 
122     public void testNaNCeilingIsNaN() throws JaxenException {
123         BaseXPath xpath = new DOMXPath("ceiling(1.0 div 0.0 - 2.0 div 0.0)");
124         double result = ((Double) xpath.evaluate(doc)).doubleValue();
125         assertTrue(Double.isNaN(result));
126     }    
127 
128     public void testCeilingFunctionRequiresAtLeastArgument() 
129       throws JaxenException {
130         
131         BaseXPath xpath = new DOMXPath("ceiling()");
132         
133         try {
134             xpath.selectNodes(doc);
135             fail("Allowed ceiling function with no arguments");
136         }
137         catch (FunctionCallException ex) {
138             assertNotNull(ex.getMessage());
139         }
140         
141     }    
142 
143     public void testBooleanFunctionRequiresExactlyOneArgument() 
144       throws JaxenException {
145         
146         BaseXPath xpath = new DOMXPath("ceiling(2.2, 1.2)");
147         
148         try {
149             xpath.selectNodes(doc);
150             fail("Allowed ceiling function with two arguments");
151         }
152         catch (FunctionCallException ex) {
153             assertNotNull(ex.getMessage());
154         }
155         
156     }    
157 
158 }