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Java > Open Source Codes > org > jfree > chart > entity > junit > CategoryItemEntityTests


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * ----------------------------
28  * CategoryItemEntityTests.java
29  * ----------------------------
30  * (C) Copyright 2004, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: CategoryItemEntityTests.java,v 1.1.2.1 2006/10/03 15:41:25 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 20-May-2004 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.entity.junit;
44
45 import java.awt.geom.Rectangle2D JavaDoc;
46 import java.io.ByteArrayInputStream JavaDoc;
47 import java.io.ByteArrayOutputStream JavaDoc;
48 import java.io.ObjectInput JavaDoc;
49 import java.io.ObjectInputStream JavaDoc;
50 import java.io.ObjectOutput JavaDoc;
51 import java.io.ObjectOutputStream JavaDoc;
52
53 import junit.framework.Test;
54 import junit.framework.TestCase;
55 import junit.framework.TestSuite;
56
57 import org.jfree.chart.entity.CategoryItemEntity;
58 import org.jfree.data.category.DefaultCategoryDataset;
59
60 /**
61  * Tests for the {@link CategoryItemEntity} class.
62  */
63 public class CategoryItemEntityTests extends TestCase {
64
65     /**
66      * Returns the tests as a test suite.
67      *
68      * @return The test suite.
69      */
70     public static Test suite() {
71         return new TestSuite(CategoryItemEntityTests.class);
72     }
73
74     /**
75      * Constructs a new set of tests.
76      *
77      * @param name the name of the tests.
78      */
79     public CategoryItemEntityTests(String JavaDoc name) {
80         super(name);
81     }
82
83     /**
84      * Confirm that the equals method can distinguish all the required fields.
85      */
86     public void testEquals() {
87         CategoryItemEntity e1 = new CategoryItemEntity(
88             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), "ToolTip", "URL",
89             new DefaultCategoryDataset(), 1, "Category", 9
90         );
91         CategoryItemEntity e2 = new CategoryItemEntity(
92             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), "ToolTip", "URL",
93             new DefaultCategoryDataset(), 1, "Category", 9
94         );
95         assertTrue(e1.equals(e2));
96         
97         e1.setArea(new Rectangle2D.Double JavaDoc(4.0, 3.0, 2.0, 1.0));
98         assertFalse(e1.equals(e2));
99         e2.setArea(new Rectangle2D.Double JavaDoc(4.0, 3.0, 2.0, 1.0));
100         assertTrue(e1.equals(e2));
101
102         e1.setToolTipText("New ToolTip");
103         assertFalse(e1.equals(e2));
104         e2.setToolTipText("New ToolTip");
105         assertTrue(e1.equals(e2));
106
107         e1.setURLText("New URL");
108         assertFalse(e1.equals(e2));
109         e2.setURLText("New URL");
110         assertTrue(e1.equals(e2));
111         
112         e1.setCategory("Category 20");
113         assertFalse(e1.equals(e2));
114         e2.setCategory("Category 20");
115         assertTrue(e1.equals(e2));
116         
117         e1.setCategoryIndex(20);
118         assertFalse(e1.equals(e2));
119         e2.setCategoryIndex(20);
120         assertTrue(e1.equals(e2));
121         
122         e1.setSeries(88);
123         assertFalse(e1.equals(e2));
124         e2.setSeries(88);
125         assertTrue(e1.equals(e2));
126         
127     }
128
129     /**
130      * Confirm that cloning works.
131      */
132     public void testCloning() {
133         CategoryItemEntity e1 = new CategoryItemEntity(
134             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), "ToolTip", "URL",
135             new DefaultCategoryDataset(), 1, "Category", 9
136         );
137         CategoryItemEntity e2 = null;
138         
139         try {
140             e2 = (CategoryItemEntity) e1.clone();
141         }
142         catch (CloneNotSupportedException JavaDoc e) {
143             System.err.println("Failed to clone.");
144         }
145         assertTrue(e1 != e2);
146         assertTrue(e1.getClass() == e2.getClass());
147         assertTrue(e1.equals(e2));
148     }
149
150     /**
151      * Serialize an instance, restore it, and check for equality.
152      */
153     public void testSerialization() {
154         CategoryItemEntity e1 = new CategoryItemEntity(
155             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), "ToolTip", "URL",
156             new DefaultCategoryDataset(), 1, "Category", 9
157         );
158         CategoryItemEntity e2 = null;
159         try {
160             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
161             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
162             out.writeObject(e1);
163             out.close();
164
165             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
166                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
167             );
168             e2 = (CategoryItemEntity) in.readObject();
169             in.close();
170         }
171         catch (Exception JavaDoc e) {
172             System.out.println(e.toString());
173         }
174         assertEquals(e1, e2);
175     }
176
177 }
178
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