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Java > Open Source Codes > org > jfree > chart > labels > junit > SymbolicXYToolTipGeneratorTests


1 /* ======================================
2  * JFreeChart : a free Java chart library
3  * ======================================
4  *
5  * Project Info: http://www.jfree.org/jfreechart/index.html
6  * Project Lead: David Gilbert (david.gilbert@object-refinery.com);
7  *
8  * (C) Copyright 2000-2003, by Object Refinery Limited and Contributors.
9  *
10  * This library is free software; you can redistribute it and/or modify it under the terms
11  * of the GNU Lesser General Public License as published by the Free Software Foundation;
12  * either version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
15  * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
16  * See the GNU Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License along with this
19  * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20  * Boston, MA 02111-1307, USA.
21  *
22  * ------------------------------------
23  * SymbolicXYToolTipGeneratorTests.java
24  * ------------------------------------
25  * (C) Copyright 2003 by Object Refinery Limited and Contributors.
26  *
27  * Original Author: David Gilbert (for Object Refinery Limited);
28  * Contributor(s): -;
29  *
30  * $Id: SymbolicXYToolTipGeneratorTests.java,v 1.1 2003/08/15 11:20:24 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 13-Aug-2003 : Version 1 (DG);
35  *
36  */
37
38 package org.jfree.chart.labels.junit;
39
40 import java.io.ByteArrayInputStream JavaDoc;
41 import java.io.ByteArrayOutputStream JavaDoc;
42 import java.io.ObjectInput JavaDoc;
43 import java.io.ObjectInputStream JavaDoc;
44 import java.io.ObjectOutput JavaDoc;
45 import java.io.ObjectOutputStream JavaDoc;
46
47 import junit.framework.Test;
48 import junit.framework.TestCase;
49 import junit.framework.TestSuite;
50
51 import org.jfree.chart.labels.SymbolicXYToolTipGenerator;
52
53 /**
54  * Tests for the {@link SymbolicXYToolTipGenerator} class.
55  *
56  * @author David Gilbert
57  */
58 public class SymbolicXYToolTipGeneratorTests extends TestCase {
59
60     /**
61      * Returns the tests as a test suite.
62      *
63      * @return the test suite.
64      */
65     public static Test suite() {
66         return new TestSuite(SymbolicXYToolTipGeneratorTests.class);
67     }
68
69     /**
70      * Constructs a new set of tests.
71      *
72      * @param name the name of the tests.
73      */
74     public SymbolicXYToolTipGeneratorTests(String JavaDoc name) {
75         super(name);
76     }
77
78     /**
79      * Confirm that cloning works.
80      */
81     public void testCloning() {
82         SymbolicXYToolTipGenerator g1 = new SymbolicXYToolTipGenerator();
83         SymbolicXYToolTipGenerator g2 = null;
84         try {
85             g2 = (SymbolicXYToolTipGenerator) g1.clone();
86         }
87         catch (CloneNotSupportedException JavaDoc e) {
88             System.err.println("SymbolicXYToolTipGenerator.testCloning: failed to clone.");
89         }
90         assertTrue(g1 != g2);
91         assertTrue(g1.getClass() == g2.getClass());
92         assertTrue(g1.equals(g2));
93     }
94
95     /**
96      * Serialize an instance, restore it, and check for equality.
97      */
98     public void testSerialization() {
99
100         SymbolicXYToolTipGenerator g1 = new SymbolicXYToolTipGenerator();
101         SymbolicXYToolTipGenerator g2 = null;
102
103         try {
104             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
105             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
106             out.writeObject(g1);
107             out.close();
108
109             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
110             g2 = (SymbolicXYToolTipGenerator) in.readObject();
111             in.close();
112         }
113         catch (Exception JavaDoc e) {
114             System.out.println(e.toString());
115         }
116         assertEquals(g1, g2);
117
118     }
119
120 }
121
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