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Java > Open Source Codes > org > jfree > chart > plot > junit > PlotRenderingInfoTests


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  * PlotRenderingInfoTests.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: PlotRenderingInfoTests.java,v 1.1.2.1 2006/10/03 15:41:28 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 20-May-2004 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.plot.junit;
44
45 import java.io.ByteArrayInputStream JavaDoc;
46 import java.io.ByteArrayOutputStream JavaDoc;
47 import java.io.ObjectInput JavaDoc;
48 import java.io.ObjectInputStream JavaDoc;
49 import java.io.ObjectOutput JavaDoc;
50 import java.io.ObjectOutputStream JavaDoc;
51
52 import junit.framework.Test;
53 import junit.framework.TestCase;
54 import junit.framework.TestSuite;
55
56 import org.jfree.chart.ChartRenderingInfo;
57 import org.jfree.chart.plot.PlotRenderingInfo;
58
59 /**
60  * Tests for the {@link PlotRenderingInfo} class.
61  */
62 public class PlotRenderingInfoTests extends TestCase {
63
64     /**
65      * Returns the tests as a test suite.
66      *
67      * @return The test suite.
68      */
69     public static Test suite() {
70         return new TestSuite(PlotRenderingInfoTests.class);
71     }
72
73     /**
74      * Constructs a new set of tests.
75      *
76      * @param name the name of the tests.
77      */
78     public PlotRenderingInfoTests(String JavaDoc name) {
79         super(name);
80     }
81
82     /**
83      * Test the equals() method.
84      */
85     public void testEquals() {
86         PlotRenderingInfo p1 = new PlotRenderingInfo(new ChartRenderingInfo());
87         PlotRenderingInfo p2 = new PlotRenderingInfo(new ChartRenderingInfo());
88         assertTrue(p1.equals(p2));
89         assertTrue(p2.equals(p1));
90     }
91
92     /**
93      * Confirm that cloning works.
94      */
95     public void testCloning() {
96         PlotRenderingInfo p1 = new PlotRenderingInfo(new ChartRenderingInfo());
97         PlotRenderingInfo p2 = null;
98         try {
99             p2 = (PlotRenderingInfo) p1.clone();
100         }
101         catch (CloneNotSupportedException JavaDoc e) {
102             e.printStackTrace();
103             System.err.println("PiePlotTests.testCloning: failed to clone.");
104         }
105         assertTrue(p1 != p2);
106         assertTrue(p1.getClass() == p2.getClass());
107         assertTrue(p1.equals(p2));
108     }
109
110     /**
111      * Serialize an instance, restore it, and check for equality.
112      */
113     public void testSerialization() {
114
115         PlotRenderingInfo p1 = new PlotRenderingInfo(new ChartRenderingInfo());
116         PlotRenderingInfo p2 = null;
117
118         try {
119             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
120             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
121             out.writeObject(p1);
122             out.close();
123
124             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
125                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
126             );
127             p2 = (PlotRenderingInfo) in.readObject();
128             in.close();
129         }
130         catch (Exception JavaDoc e) {
131             System.out.println(e.toString());
132         }
133         assertEquals(p1, p2);
134
135     }
136
137 }
138
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