1 /*
2 Jameleon - An automation testing tool..
3 Copyright (C) 2003-2006 Christian W. Hargraves (engrean@hotmail.com)
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 */
19 package net.sf.jameleon.plugin.junit.tags;
20
21 /***
22 * Performs an assertNull on a given variable. This tag, along with all JUnit tags
23 * can be used inside any other plug-in's session tag
24 *
25 * An example use might be:
26 *
27 * <pre><source>
28 * <testcase xmlns="jelly:jameleon">
29 * <ju-session application="someApp">
30 * <ju-assert-null
31 * functionId="Check that var1 equals var2."
32 * value="${someNonExistentVar}"/>
33 * </ju-session>
34 * </testcase>
35 * </source></pre>
36 *
37 * @jameleon.function name="ju-assert-null" type="action"
38 * @jameleon.step Validate the provided variable is null
39 */
40 public class AssertNullTag extends AbstractAssertTag{
41
42 /***
43 * The value to be checked for null
44 * @jameleon.attribute
45 */
46 protected Object value;
47
48 public void testBlock(){
49 if (msg != null) {
50 assertNull(msg, value);
51 }else{
52 assertNull(value);
53 }
54 }
55
56 }