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


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  * StandardEntityCollectionTests.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: StandardEntityCollectionTests.java,v 1.1.2.1 2006/10/03 15:41:25 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 19-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.PieSectionEntity;
58 import org.jfree.chart.entity.StandardEntityCollection;
59 import org.jfree.data.general.DefaultPieDataset;
60
61 /**
62  * Tests for the {@link StandardEntityCollection} class.
63  */
64 public class StandardEntityCollectionTests extends TestCase {
65
66     /**
67      * Returns the tests as a test suite.
68      *
69      * @return The test suite.
70      */
71     public static Test suite() {
72         return new TestSuite(StandardEntityCollectionTests.class);
73     }
74
75     /**
76      * Constructs a new set of tests.
77      *
78      * @param name the name of the tests.
79      */
80     public StandardEntityCollectionTests(String JavaDoc name) {
81         super(name);
82     }
83
84     /**
85      * Confirm that the equals method can distinguish all the required fields.
86      */
87     public void testEquals() {
88         PieSectionEntity e1 = new PieSectionEntity(
89             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
90             0, 1, "Key", "ToolTip", "URL"
91         );
92         StandardEntityCollection c1 = new StandardEntityCollection();
93         c1.add(e1);
94
95         PieSectionEntity e2 = new PieSectionEntity(
96             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
97             0, 1, "Key", "ToolTip", "URL"
98         );
99         StandardEntityCollection c2 = new StandardEntityCollection();
100         c2.add(e2);
101         assertTrue(c1.equals(c2));
102     }
103
104     /**
105      * Confirm that cloning works.
106      */
107     public void testCloning() {
108         PieSectionEntity e1 = new PieSectionEntity(
109             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
110             0, 1, "Key", "ToolTip", "URL"
111         );
112         StandardEntityCollection c1 = new StandardEntityCollection();
113         c1.add(e1);
114         StandardEntityCollection c2 = null;
115         try {
116             c2 = (StandardEntityCollection) c1.clone();
117         }
118         catch (CloneNotSupportedException JavaDoc e) {
119             System.err.println("Failed to clone.");
120         }
121         assertTrue(c1 != c2);
122         assertTrue(c1.getClass() == c2.getClass());
123         assertTrue(c1.equals(c2));
124     }
125
126     /**
127      * Serialize an instance, restore it, and check for equality.
128      */
129     public void testSerialization() {
130         PieSectionEntity e1 = new PieSectionEntity(
131             new Rectangle2D.Double JavaDoc(1.0, 2.0, 3.0, 4.0), new DefaultPieDataset(),
132             0, 1, "Key", "ToolTip", "URL"
133         );
134         StandardEntityCollection c1 = new StandardEntityCollection();
135         c1.add(e1);
136         StandardEntityCollection c2 = null;
137         try {
138             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
139             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
140             out.writeObject(c1);
141             out.close();
142
143             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
144                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
145             );
146             c2 = (StandardEntityCollection) in.readObject();
147             in.close();
148         }
149         catch (Exception JavaDoc e) {
150             System.out.println(e.toString());
151         }
152         assertEquals(c1, c2);
153     }
154
155 }
156
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