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  
63  
64  package org.jaxen.expr;
65  
66  import java.io.IOException;
67  import java.io.StringReader;
68  import java.util.List;
69  
70  import javax.xml.parsers.DocumentBuilderFactory;
71  import javax.xml.parsers.ParserConfigurationException;
72  
73  import org.jaxen.JaxenException;
74  import org.jaxen.dom.DOMXPath;
75  import org.w3c.dom.Document;
76  import org.w3c.dom.Element;
77  import org.xml.sax.InputSource;
78  import org.xml.sax.SAXException;
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 {
96          
97          DOMXPath xpath = new DOMXPath("/a/b[c = ../d]");
98          
99          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
100         factory.setNamespaceAware(true);
101         Document doc = factory.newDocumentBuilder().newDocument();
102         Element root = doc.createElement("a");
103         doc.appendChild(root);
104         Element b = doc.createElement("b");
105         root.appendChild(b);
106         Element c = doc.createElement("c");
107         b.appendChild(c);
108         
109         List result = (List) xpath.evaluate(doc);
110         assertEquals(0, result.size());
111         
112     }
113  
114     public void testOlander() 
115       throws JaxenException, SAXException, IOException, ParserConfigurationException {
116         
117         DOMXPath xpath = new DOMXPath("//BlockStatement//IfStatement[./Statement =  ./ancestor::BlockStatement/following-sibling::BlockStatement//IfStatement/Statement]");
118         
119         String 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 reader = new StringReader(data);
121         InputSource in = new InputSource(reader);
122         
123         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
124         factory.setNamespaceAware(true);
125         Document doc = factory.newDocumentBuilder().parse(in);
126         
127         List result = (List) xpath.evaluate(doc);
128         assertEquals(1, result.size());
129         
130     }
131  
132 }