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Java > Open Source Codes > org > jfree > data > general > junit > DatasetGroupTests


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  * DatasetGroupTests.java
29  * ----------------------
30  * (C) Copyright 2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: DatasetGroupTests.java,v 1.1.2.1 2006/10/03 15:41:43 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 14-Jan-2005 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.data.general.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.data.general.DatasetGroup;
57
58 /**
59  * Tests for the {@link DatasetGroup} class.
60  */
61 public class DatasetGroupTests extends TestCase {
62
63     /**
64      * Returns the tests as a test suite.
65      *
66      * @return The test suite.
67      */
68     public static Test suite() {
69         return new TestSuite(DatasetGroupTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public DatasetGroupTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * Serialize an instance, restore it, and check for equality.
83      */
84     public void testSerialization() {
85
86         DatasetGroup g1 = new DatasetGroup();
87         DatasetGroup g2 = null;
88
89         try {
90             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
91             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
92             out.writeObject(g1);
93             out.close();
94
95             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
96                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
97             );
98             g2 = (DatasetGroup) in.readObject();
99             in.close();
100         }
101         catch (Exception JavaDoc e) {
102             System.out.println(e.toString());
103         }
104         assertEquals(g1, g2);
105
106     }
107
108 }
109
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