1   /*
2    * $Header$
3    * $Revision$
4    * $Date$
5    *
6    * ====================================================================
7    *
8    * Copyright 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 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  package org.jaxen.test;
49  
50  import javax.xml.parsers.DocumentBuilder;
51  import javax.xml.parsers.DocumentBuilderFactory;
52  import javax.xml.parsers.ParserConfigurationException;
53  
54  import junit.framework.TestCase;
55  
56  import org.jaxen.BaseXPath;
57  import org.jaxen.FunctionCallException;
58  import org.jaxen.JaxenException;
59  import org.jaxen.XPath;
60  import org.jaxen.dom.DOMXPath;
61  import org.w3c.dom.Document;
62  
63  /***
64   * @author Elliotte Rusty Harold
65   *
66   */
67  public class StartsWithTest extends TestCase {
68  
69      private Document doc;
70      
71      public void setUp() throws ParserConfigurationException
72      {
73          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
74          factory.setNamespaceAware(true);
75          DocumentBuilder builder = factory.newDocumentBuilder();
76          doc = builder.newDocument();
77          doc.appendChild(doc.createElement("root"));
78      }
79  
80  
81      public StartsWithTest(String name) {
82          super(name);
83      }
84  
85      public void testStartsWithNumber() throws JaxenException
86      {
87          XPath xpath = new DOMXPath( "starts-with(33, '3')" );
88          Boolean result = (Boolean) xpath.evaluate( doc );
89          assertEquals(Boolean.TRUE, result);
90      }    
91    
92      public void testStartsWithString() throws JaxenException
93      {
94          XPath xpath = new DOMXPath( "starts-with('test', 't')" );
95          Boolean result = (Boolean) xpath.evaluate( doc );
96          assertEquals(Boolean.TRUE, result);
97      }    
98    
99      public void testStartsWithString3() throws JaxenException
100     {
101         XPath xpath = new DOMXPath( "starts-with('superlative', 'superlative')" );
102         Boolean result = (Boolean) xpath.evaluate( doc );
103         assertEquals(Boolean.TRUE, result);
104     }    
105   
106     public void testStartsWithNumber2() throws JaxenException
107     {
108         XPath xpath = new DOMXPath( "starts-with(43, '3')" );
109         Boolean result = (Boolean) xpath.evaluate( doc );
110         assertEquals(Boolean.FALSE, result);
111     }    
112   
113     public void testStartsWithString2() throws JaxenException
114     {
115         XPath xpath = new DOMXPath( "starts-with('1234567890', '1234567a')" );
116         Boolean result = (Boolean) xpath.evaluate( doc );
117         assertEquals(Boolean.FALSE, result);
118     }    
119   
120   
121     public void testEmptyStringStartsWithNonEmptyString() throws JaxenException
122     {
123         XPath xpath = new DOMXPath( "starts-with('', 'a')" );
124         Boolean result = (Boolean) xpath.evaluate( doc );
125         assertEquals(Boolean.FALSE, result);
126     }
127   
128     public void testEmptyStringStartsWithEmptyString() throws JaxenException
129     {
130         XPath xpath = new DOMXPath( "starts-with('', '')" );
131         Boolean result = (Boolean) xpath.evaluate( doc );
132         assertEquals(Boolean.TRUE, result);
133     }
134   
135     public void testStartsWithEmptyString() throws JaxenException
136     {
137         XPath xpath = new DOMXPath( "starts-with('a', '')" );
138         Boolean result = (Boolean) xpath.evaluate( doc );
139         assertEquals(Boolean.TRUE, result);
140     }    
141   
142     public void testStartsWithFunctionRequiresAtLeastTwoArguments() 
143       throws JaxenException {
144         
145         BaseXPath xpath = new DOMXPath("starts-with('a')");
146         
147         try {
148             xpath.selectNodes(doc);
149             fail("Allowed starts-with function with one argument");
150         }
151         catch (FunctionCallException ex) {
152             assertNotNull(ex.getMessage());
153         }
154         
155     }    
156 
157     public void testStartsWithFunctionRequiresAtMostTwoArguments() 
158       throws JaxenException {
159         
160         BaseXPath xpath = new DOMXPath("starts-with('a', 'a', 'a')");
161         
162         try {
163             xpath.selectNodes(doc);
164             fail("Allowed starts-with function with three arguments");
165         }
166         catch (FunctionCallException ex) {
167             assertNotNull(ex.getMessage());
168         }
169         
170     }    
171 
172 }