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


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  * XYItemEntityTests.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: XYItemEntityTests.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.XYItemEntity;
58 import org.jfree.data.time.TimeSeriesCollection;
59
60 /**
61  * Tests for the {@link XYItemEntity} class.
62  */
63 public class XYItemEntityTests 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(XYItemEntityTests.class);
72     }
73
74     /**
75      * Constructs a new set of tests.
76      *
77      * @param name the name of the tests.
78      */
79     public XYItemEntityTests(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         XYItemEntity e1 = new XYItemEntity(
88             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0),
89             new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
90         );
91         XYItemEntity e2 = new XYItemEntity(
92             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0),
93             new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
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.setSeriesIndex(88);
113         assertFalse(e1.equals(e2));
114         e2.setSeriesIndex(88);
115         assertTrue(e1.equals(e2));
116         
117         e1.setItem(88);
118         assertFalse(e1.equals(e2));
119         e2.setItem(88);
120         assertTrue(e1.equals(e2));
121         
122     }
123
124     /**
125      * Confirm that cloning works.
126      */
127     public void testCloning() {
128         XYItemEntity e1 = new XYItemEntity(
129             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0),
130             new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
131         );
132         XYItemEntity e2 = null;
133         
134         try {
135             e2 = (XYItemEntity) e1.clone();
136         }
137         catch (CloneNotSupportedException JavaDoc e) {
138             System.err.println("Failed to clone.");
139         }
140         assertTrue(e1 != e2);
141         assertTrue(e1.getClass() == e2.getClass());
142         assertTrue(e1.equals(e2));
143     }
144
145     /**
146      * Serialize an instance, restore it, and check for equality.
147      */
148     public void testSerialization() {
149         XYItemEntity e1 = new XYItemEntity(
150             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0),
151             new TimeSeriesCollection(), 1, 9, "ToolTip", "URL"
152         );
153         XYItemEntity e2 = null;
154         try {
155             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
156             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
157             out.writeObject(e1);
158             out.close();
159
160             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
161                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
162             );
163             e2 = (XYItemEntity) in.readObject();
164             in.close();
165         }
166         catch (Exception JavaDoc e) {
167             System.out.println(e.toString());
168         }
169         assertEquals(e1, e2);
170     }
171
172 }
173
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