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Java > Open Source Codes > org > jaxen > function > SumTest


1 /*
2  * $Header$
3  * $Revision$
4  * $Date$
5  *
6  * ====================================================================
7  *
8  * Copyright (C) 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
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 JavaDoc;
65 import javax.xml.parsers.DocumentBuilderFactory JavaDoc;
66 import javax.xml.parsers.ParserConfigurationException JavaDoc;
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 JavaDoc;
75
76 /**
77  * @author Elliotte Rusty Harold
78  *
79  */
80 public class SumTest extends TestCase {
81
82     private Document JavaDoc doc;
83     
84     public void setUp() throws ParserConfigurationException JavaDoc
85     {
86         DocumentBuilderFactory JavaDoc factory = DocumentBuilderFactory.newInstance();
87         factory.setNamespaceAware(true);
88         DocumentBuilder JavaDoc builder = factory.newDocumentBuilder();
89         doc = builder.newDocument();
90         doc.appendChild(doc.createElement("root"));
91     }
92
93
94     public SumTest(String JavaDoc name) {
95         super(name);
96     }
97
98     public void testSumOfNumber() throws JaxenException
99     {
100         try
101         {
102             XPath xpath = new DOMXPath( "sum(3)" );
103             xpath.selectNodes( doc );
104             fail("sum of non-node-set");
105         }
106         catch (FunctionCallException e)
107         {
108             assertEquals("The argument to the sum function must be a node-set", e.getMessage());
109         }
110     }
111
112     public void testSumNoArguments() throws JaxenException
113     {
114         try
115         {
116             XPath xpath = new DOMXPath( "sum()" );
117             xpath.selectNodes( doc );
118             fail("sum of nothing");
119         }
120         catch (FunctionCallException e)
121         {
122             assertEquals("sum() requires one argument.", e.getMessage());
123         }
124     }
125
126 }
127
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