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 javax.xml.parsers.DocumentBuilder;
65  import javax.xml.parsers.DocumentBuilderFactory;
66  import javax.xml.parsers.ParserConfigurationException;
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;
75  
76  /***
77   * @author Elliotte Rusty Harold
78   *
79   */
80  public class TranslateFunctionTest extends TestCase {
81  
82      private Document doc;
83      
84      public void setUp() throws ParserConfigurationException
85      {
86          DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
87          factory.setNamespaceAware(true);
88          DocumentBuilder builder = factory.newDocumentBuilder();
89          doc = builder.newDocument();
90          doc.appendChild(doc.createElement("root"));
91      }
92  
93      public void testTranslate() throws JaxenException
94      {
95          XPath xpath = new DOMXPath( "translate('abc', 'b', 'd')" );
96          String result = (String) xpath.evaluate( doc );
97          assertEquals("adc", result);
98      }    
99    
100     public void testTranslateIgnoresExtraArguments() throws JaxenException
101     {
102         XPath xpath = new DOMXPath( "translate('abc', 'b', 'dghf')" );
103         String result = (String) xpath.evaluate( doc );
104         assertEquals("adc", result);
105     }    
106   
107     public void testTranslateFunctionRequiresAtLeastThreeArguments() 
108       throws JaxenException {
109         
110         XPath xpath = new DOMXPath("translate('a', 'b')");
111         
112         try {
113             xpath.selectNodes(doc);
114             fail("Allowed translate function with two arguments");
115         }
116         catch (FunctionCallException ex) {
117             assertNotNull(ex.getMessage());
118         }
119         
120     }    
121 
122     public void testTranslateRequiresAtMostThreeArguments() 
123       throws JaxenException {
124         
125         XPath xpath = new DOMXPath("substring-after('a', 'a', 'a', 'a')");
126         
127         try {
128             xpath.selectNodes(doc);
129             fail("Allowed translate function with four arguments");
130         }
131         catch (FunctionCallException ex) {
132             assertNotNull(ex.getMessage());
133         }
134         
135     }   
136     
137     public void testTranslateStringThatContainsNonBMPChars() throws JaxenException
138     {
139         XPath xpath = new DOMXPath( "translate('ab\uD834\uDD00b', 'b', 'd')" );
140         String result = (String) xpath.evaluate( doc );
141         assertEquals("ad\uD834\uDD00d", result);
142     }
143     
144 
145     public void testTranslateNonBMPChars() throws JaxenException
146     {
147         XPath xpath = new DOMXPath( "translate('ab\uD834\uDD00b', '\uD834\uDD00', 'd')" );
148         String result = (String) xpath.evaluate( doc );
149         assertEquals("abdb", result);
150     }   
151     
152 
153     public void testTranslateNonBMPChars2() throws JaxenException
154     {
155         XPath xpath = new DOMXPath( "translate('ab\uD834\uDD00b', '\uD834\uDD00', 'da')" );
156         String result = (String) xpath.evaluate( doc );
157         assertEquals("abdb", result);
158     }   
159     
160 
161     public void testTranslateWithNonBMPChars() throws JaxenException
162     {
163         XPath xpath = new DOMXPath( "translate('abc', 'c', '\uD834\uDD00')" );
164         String result = (String) xpath.evaluate( doc );
165         assertEquals("ab\uD834\uDD00", result);
166     }   
167     
168 
169     public void testTranslateWithNonBMPChars2() throws JaxenException
170     {
171         XPath xpath = new DOMXPath( "translate('abc', 'c', '\uD834\uDD00b')" );
172         String result = (String) xpath.evaluate( doc );
173         assertEquals("ab\uD834\uDD00", result);
174     }   
175     
176 
177     public void testTranslateWithMalformedSurrogatePair() throws JaxenException
178     {
179         XPath xpath = new DOMXPath( "translate('abc', 'c', '\uD834X\uDD00b')" );
180         try {
181             xpath.evaluate( doc );
182             fail("Allowed malformed surrogate pair");
183         }
184         catch (FunctionCallException ex) {
185             assertNotNull(ex.getMessage());
186         }
187     }   
188     
189 
190     public void testTranslateWithMissingLowSurrogate() throws JaxenException
191     {
192         XPath xpath = new DOMXPath( "translate('abc', 'c', 'AB\uD834X')" );
193         try {
194             xpath.evaluate( doc );
195             fail("Allowed malformed surrogate pair");
196         }
197         catch (FunctionCallException ex) {
198             assertNotNull(ex.getMessage());
199         }
200     }   
201     
202 
203     public void testTranslateWithExtraCharsInReplacementString() throws JaxenException
204     {
205         XPath xpath = new DOMXPath( "translate('abc', 'c', 'def')" );
206         String result = (String) xpath.evaluate( doc );
207         assertEquals("abd", result);
208     }   
209     
210 
211 }