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;
9
10 import junit.textui.TestRunner;
11
12 /***
13 * Tests the use of null attribute values
14 *
15 * @author <a href="mailto:jstrachan@apache.org">James Strachan </a>
16 * @version $Revision: 1.3 $
17 */
18 public class NullAttributesTest extends AbstractTestCase {
19 protected DocumentFactory factory = DocumentFactory.getInstance();
20
21 protected Document document = factory.createDocument();
22
23 protected Element element = document.addElement("root");
24
25 public static void main(String[] args) {
26 TestRunner.run(NullAttributesTest.class);
27 }
28
29 // Test case(s)
30 // -------------------------------------------------------------------------
31 public void testStringNames() throws Exception {
32 element.addAttribute("foo", null);
33
34 Attribute attribute = element.attribute("foo");
35 assertTrue(attribute == null);
36
37 element.addAttribute("foo", "123");
38 attribute = element.attribute("foo");
39 assertTrue(attribute != null);
40
41 element.addAttribute("foo", null);
42 attribute = element.attribute("foo");
43 assertTrue(attribute == null);
44 }
45
46 public void testQNames() throws Exception {
47 QName bar = QName.get("bar");
48
49 element.addAttribute(bar, null);
50
51 Attribute attribute = element.attribute(bar);
52 assertTrue(attribute == null);
53
54 element.addAttribute(bar, "123");
55 attribute = element.attribute(bar);
56 assertTrue(attribute != null);
57
58 element.addAttribute(bar, null);
59 attribute = element.attribute(bar);
60 assertTrue(attribute == null);
61 }
62
63 public void testAttributes() throws Exception {
64 Attribute attribute = factory.createAttribute(element, "v", null);
65
66 assertTrue(attribute.getText() == null);
67 assertTrue(attribute.getValue() == null);
68
69 element.add(attribute);
70 attribute = element.attribute("v");
71 assertTrue(attribute == null);
72
73 attribute = factory.createAttribute(element, "v", "123");
74 element.add(attribute);
75 attribute = element.attribute("v");
76 assertTrue(attribute != null);
77
78 attribute = factory.createAttribute(element, "v", null);
79 element.add(attribute);
80 attribute = element.attribute("v");
81 assertTrue(attribute == null);
82 }
83 }
84
85 /*
86 * Redistribution and use of this software and associated documentation
87 * ("Software"), with or without modification, are permitted provided that the
88 * following conditions are met:
89 *
90 * 1. Redistributions of source code must retain copyright statements and
91 * notices. Redistributions must also contain a copy of this document.
92 *
93 * 2. Redistributions in binary form must reproduce the above copyright notice,
94 * this list of conditions and the following disclaimer in the documentation
95 * and/or other materials provided with the distribution.
96 *
97 * 3. The name "DOM4J" must not be used to endorse or promote products derived
98 * from this Software without prior written permission of MetaStuff, Ltd. For
99 * written permission, please contact dom4j-info@metastuff.com.
100 *
101 * 4. Products derived from this Software may not be called "DOM4J" nor may
102 * "DOM4J" appear in their names without prior written permission of MetaStuff,
103 * Ltd. DOM4J is a registered trademark of MetaStuff, Ltd.
104 *
105 * 5. Due credit should be given to the DOM4J Project - http://www.dom4j.org
106 *
107 * THIS SOFTWARE IS PROVIDED BY METASTUFF, LTD. AND CONTRIBUTORS ``AS IS'' AND
108 * ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
109 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
110 * ARE DISCLAIMED. IN NO EVENT SHALL METASTUFF, LTD. OR ITS CONTRIBUTORS BE
111 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
112 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
113 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
114 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
115 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
116 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
117 * POSSIBILITY OF SUCH DAMAGE.
118 *
119 * Copyright 2001-2005 (C) MetaStuff, Ltd. All Rights Reserved.
120 */