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Java > Open Source Codes > org > swixml > ButtonGroupTest


1 /*--
2  $Id: ButtonGroupTest.java,v 1.2 2005/06/01 00:04:36 wolfpaulus Exp $
3
4  Copyright (C) 2003-2005 Wolf Paulus.
5  All rights reserved.
6
7  Redistribution and use in source and binary forms, with or without
8  modification, are permitted provided that the following conditions
9  are met:
10
11  1. Redistributions of source code must retain the above copyright
12  notice, this list of conditions, and the following disclaimer.
13
14  2. Redistributions in binary form must reproduce the above copyright
15  notice, this list of conditions, and the disclaimer that follows
16  these conditions in the documentation and/or other materials provided
17  with the distribution.
18
19  3. The end-user documentation included with the redistribution,
20  if any, must include the following acknowledgment:
21         "This product includes software developed by the
22          SWIXML Project (http://www.swixml.org/)."
23  Alternately, this acknowledgment may appear in the software itself,
24  if and wherever such third-party acknowledgments normally appear.
25
26  4. The name "Swixml" must not be used to endorse or promote products
27  derived from this software without prior written permission. For
28  written permission, please contact <info_AT_swixml_DOT_org>
29
30  5. Products derived from this software may not be called "Swixml",
31  nor may "Swixml" appear in their name, without prior written
32  permission from the Swixml Project Management.
33
34  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
35  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
36  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
37  DISCLAIMED. IN NO EVENT SHALL THE SWIXML PROJECT OR ITS
38  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
41  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
42  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
43  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
44  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45  SUCH DAMAGE.
46  ====================================================================
47
48  This software consists of voluntary contributions made by many
49  individuals on behalf of the Swixml Project and was originally
50  created by Wolf Paulus <wolf_AT_swixml_DOT_org>. For more information
51  on the Swixml Project, please see <http://www.swixml.org/>.
52 */
53 package org.swixml;
54
55 import junit.framework.TestCase;
56
57 import javax.swing.*;
58 import java.awt.*;
59 import java.util.Enumeration JavaDoc;
60 /**
61  * The somewhat odd ButtonGroup class doesn't really fit into the way Swixml deals with
62  * objects it has instatiated. It therefore deserves its very own test class.
63  */
64 public class ButtonGroupTest extends TestCase {
65
66   public static final String JavaDoc DESCRIPTOR = "xml/test1.xml";
67   private Container container;
68   private SwingEngine se;
69
70   private JRadioButton am, fm;
71   private ButtonGroup radio;
72
73   public ButtonGroupTest() {
74     super("Test the Mapping and behavior of a ButtonGroup.");
75   }
76
77   /**
78    * Renders the test GUI into the container field.<br>
79    * Note: Like with every testcase, the setup method is going to be performed before
80    * the execution of every test..() method.
81    *
82    * @throws Exception
83    */
84   public void setUp() throws Exception JavaDoc {
85     se = new SwingEngine(this);
86     container = se.render(MappingTest.DESCRIPTOR);
87   }
88
89   /**
90    * Clears the container
91    */
92   public void teardown() {
93     se = null;
94     container.removeAll();
95     container = null;
96   }
97
98   /**
99    * Tests if the Fields were correctly initialized/mapped by the SwingEngine.
100    */
101   public void testMapping() {
102     TestCase.assertTrue("IDMap's EntrySet needs to contain the ButtonGroup's ID", se.getIdMap().containsKey("radio"));
103     TestCase.assertNotNull("Private Field, whose names have a matching ids the the XML descriptor should be initializd by the SwingEngine.", radio);
104     TestCase.assertNotNull("Public Fields, whose names have matching ids the the XML descriptor should be initializd by the SwingEngine.", am);
105     TestCase.assertNotNull("Public Fields, whose names have matching ids the the XML descriptor should be initializd by the SwingEngine.", fm);
106   }
107
108   /**
109    * Test that one and only one of the buttons in the group can be selected
110    */
111   public void testXOR() {
112     am.setSelected(true);
113     TestCase.assertTrue(am.isSelected());
114     TestCase.assertFalse("Only one RadioButton in the group should be flagged selected.", fm.isSelected());
115     fm.setSelected(true);
116     TestCase.assertFalse("Only one RadioButton in the group should be flagged selected.", am.isSelected());
117     TestCase.assertTrue(fm.isSelected());
118   }
119
120   /**
121    * Test that the buttons are actually being added into the button group
122    */
123   public void testStructure() {
124     Enumeration JavaDoc e = radio.getElements();
125     while (e.hasMoreElements()) {
126       Object JavaDoc obj = e.nextElement();
127       TestCase.assertTrue (am.equals(obj) ^ fm.equals(obj));
128     }
129     TestCase.assertEquals("There should be two buttons in this group",radio.getButtonCount(),2);
130   }
131 }
132
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