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Java > Open Source Codes > org > dom4j > xpath > NumberTest


1 /*
2  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
3  *
4  * This software is open source.
5  * See the bottom of this file for the licence.
6  */
7
8 package org.dom4j.xpath;
9
10 import junit.textui.TestRunner;
11
12 import org.dom4j.AbstractTestCase;
13 import org.dom4j.Node;
14 import org.dom4j.XPath;
15
16 /**
17  * Test harness for numeric XPath expressions
18  *
19  * @author <a HREF="mailto:james.strachan@metastuff.com">James Strachan </a>
20  * @version $Revision: 1.3 $
21  */
22 public class NumberTest extends AbstractTestCase {
23     protected static String JavaDoc[] paths = {"2+2", "2 + 2", "2 + number(1) + 2",
24             "number(1) * 2", "2 + count(//author) + 2", "2 + (2 * 5)",
25             "count(//author) + count(//author/attribute::*)",
26             "(12 + count(//author) + count(//author/attribute::*)) div 2",
27             "count(//author)", "count(//author/attribute::*)",
28             "2 + number(1) * 2", "count(descendant::author)",
29             "count(ancestor::author)", "count(descendant::*)",
30             "count(descendant::author)+1", "count(ancestor::*)",
31             "10 + count(ancestor-or-self::author) + 5",
32             "10 + count(descendant::author) * 5",
33             "10 + (count(descendant::author) * 5)"};
34
35     public static void main(String JavaDoc[] args) {
36         TestRunner.run(NumberTest.class);
37     }
38
39     // Test case(s)
40 // -------------------------------------------------------------------------
41 public void testXPaths() throws Exception JavaDoc {
42         Node element = document.selectSingleNode("//author");
43         int size = paths.length;
44
45         for (int i = 0; i < size; i++) {
46             testXPath(document, paths[i]);
47             testXPath(element, paths[i]);
48         }
49
50         log("Finished successfully");
51     }
52
53     // Implementation methods
54 // -------------------------------------------------------------------------
55 protected void testXPath(Node node, String JavaDoc xpathText) throws Exception JavaDoc {
56         try {
57             XPath xpath = node.createXPath(xpathText);
58
59             Number JavaDoc number = xpath.numberValueOf(node);
60
61             log("Searched path: " + xpathText + " found: " + number);
62         } catch (Throwable JavaDoc e) {
63             log("Caught exception: " + e);
64             e.printStackTrace();
65             assertTrue("Failed to process: " + xpathText
66                     + " caught exception: " + e, false);
67         }
68     }
69 }
70
71 /*
72  * Redistribution and use of this software and associated documentation
73  * ("Software"), with or without modification, are permitted provided that the
74  * following conditions are met:
75  *
76  * 1. Redistributions of source code must retain copyright statements and
77  * notices. Redistributions must also contain a copy of this document.
78  *
79  * 2. Redistributions in binary form must reproduce the above copyright notice,
80  * this list of conditions and the following disclaimer in the documentation
81  * and/or other materials provided with the distribution.
82  *
83  * 3. The name "DOM4J" must not be used to endorse or promote products derived
84  * from this Software without prior written permission of MetaStuff, Ltd. For
85  * written permission, please contact dom4j-info@metastuff.com.
86  *
87  * 4. Products derived from this Software may not be called "DOM4J" nor may
88  * "DOM4J" appear in their names without prior written permission of MetaStuff,
89  * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
90  *
91  * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
92  *
93  * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
94  * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
95  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
96  * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
97  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
98  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
99  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
100  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
101  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
103  * POSSIBILITY OF SUCH DAMAGE.
104  *
105  * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
106  */
107
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