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Java > Open Source Codes > org > jaxen > expr > EqualsTest


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.
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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
63
64 package org.jaxen.expr;
65
66 import java.io.IOException JavaDoc;
67 import java.io.StringReader JavaDoc;
68 import java.util.List JavaDoc;
69
70 import javax.xml.parsers.DocumentBuilderFactory JavaDoc;
71 import javax.xml.parsers.ParserConfigurationException JavaDoc;
72
73 import org.jaxen.JaxenException;
74 import org.jaxen.dom.DOMXPath;
75 import org.w3c.dom.Document JavaDoc;
76 import org.w3c.dom.Element JavaDoc;
77 import org.xml.sax.InputSource JavaDoc;
78 import org.xml.sax.SAXException JavaDoc;
79
80 import junit.framework.TestCase;
81
82 /**
83  * <p>
84  * Test for function context.
85  * </p>
86  *
87  * @author Elliotte Rusty Harold
88  * @version 1.1b4
89  *
90  */
91 public class EqualsTest extends TestCase
92 {
93
94     public void testEqualityAgainstNonExistentNodes()
95       throws JaxenException, ParserConfigurationException JavaDoc {
96         
97         DOMXPath xpath = new DOMXPath("/a/b[c = ../d]");
98         
99         DocumentBuilderFactory JavaDoc factory = DocumentBuilderFactory.newInstance();
100         factory.setNamespaceAware(true);
101         Document JavaDoc doc = factory.newDocumentBuilder().newDocument();
102         Element JavaDoc root = doc.createElement("a");
103         doc.appendChild(root);
104         Element JavaDoc b = doc.createElement("b");
105         root.appendChild(b);
106         Element JavaDoc c = doc.createElement("c");
107         b.appendChild(c);
108         
109         List JavaDoc result = (List JavaDoc) xpath.evaluate(doc);
110         assertEquals(0, result.size());
111         
112     }
113  
114     public void testOlander()
115       throws JaxenException, SAXException JavaDoc, IOException JavaDoc, ParserConfigurationException JavaDoc {
116         
117         DOMXPath xpath = new DOMXPath("//BlockStatement//IfStatement[./Statement = ./ancestor::BlockStatement/following-sibling::BlockStatement//IfStatement/Statement]");
118         
119         String JavaDoc data = "<?xml version='1.0'?><Block><BlockStatement><LocalVariableDeclaration><Type><PrimitiveType>boolean</PrimitiveType></Type><VariableDeclarator><VariableDeclaratorId/></VariableDeclarator><VariableDeclarator><VariableDeclaratorId/></VariableDeclarator></LocalVariableDeclaration></BlockStatement><BlockStatement><Statement><IfStatement><Expression><PrimaryExpression><PrimaryPrefix><Name>a</Name></PrimaryPrefix></PrimaryExpression></Expression><Statement><StatementExpression><PrimaryExpression><PrimaryPrefix><Name>methodB</Name></PrimaryPrefix><PrimarySuffix><Arguments/></PrimarySuffix></PrimaryExpression></StatementExpression></Statement></IfStatement></Statement></BlockStatement><BlockStatement><Statement><IfStatement><Expression><PrimaryExpression><PrimaryPrefix><Name>b</Name></PrimaryPrefix></PrimaryExpression></Expression><Statement><StatementExpression><PrimaryExpression><PrimaryPrefix><Name>methodB</Name></PrimaryPrefix><PrimarySuffix><Arguments/></PrimarySuffix></PrimaryExpression></StatementExpression></Statement></IfStatement></Statement></BlockStatement></Block>";
120         StringReader JavaDoc reader = new StringReader JavaDoc(data);
121         InputSource JavaDoc in = new InputSource JavaDoc(reader);
122         
123         DocumentBuilderFactory JavaDoc factory = DocumentBuilderFactory.newInstance();
124         factory.setNamespaceAware(true);
125         Document JavaDoc doc = factory.newDocumentBuilder().parse(in);
126         
127         List JavaDoc result = (List JavaDoc) xpath.evaluate(doc);
128         assertEquals(1, result.size());
129         
130     }
131  
132 }
133
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