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


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  * HighLowToolTipGeneratorTests.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: HighLowToolTipGeneratorTests.java,v 1.2 2003/08/15 11:54:09 mungady Exp $
31  *
32  * Changes
33  * -------
34  * 18-Mar-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 import java.text.DateFormat JavaDoc;
47
48 import junit.framework.Test;
49 import junit.framework.TestCase;
50 import junit.framework.TestSuite;
51
52 import org.jfree.chart.labels.HighLowToolTipGenerator;
53
54 /**
55  * Tests for the {@link StandardPieToolTipGenerator} class.
56  *
57  * @author David Gilbert
58  */

59 public class HighLowToolTipGeneratorTests extends TestCase {
60
61     /**
62      * Returns the tests as a test suite.
63      *
64      * @return the test suite.
65      */

66     public static Test suite() {
67         return new TestSuite(HighLowToolTipGeneratorTests.class);
68     }
69
70     /**
71      * Constructs a new set of tests.
72      *
73      * @param name the name of the tests.
74      */

75     public HighLowToolTipGeneratorTests(String JavaDoc name) {
76         super(name);
77     }
78
79     /**
80      * Confirm that cloning works.
81      */

82     public void testCloning() {
83         HighLowToolTipGenerator g1 = new HighLowToolTipGenerator();
84         HighLowToolTipGenerator g2 = null;
85         try {
86             g2 = (HighLowToolTipGenerator) g1.clone();
87         }
88         catch (CloneNotSupportedException JavaDoc e) {
89             System.err.println("BoxAndWhiskerToolTipGeneratorTests.testCloning: failed to clone.");
90         }
91         assertTrue(g1 != g2);
92         assertTrue(g1.getClass() == g2.getClass());
93         assertTrue(g1.equals(g2));
94     }
95
96     /**
97      * Serialize an instance, restore it, and check for equality.
98      */

99     public void testSerialization() {
100
101         HighLowToolTipGenerator g1 = new HighLowToolTipGenerator(DateFormat.getInstance());
102         HighLowToolTipGenerator g2 = null;
103
104         try {
105             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
106             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
107             out.writeObject(g1);
108             out.close();
109
110             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
111             g2 = (HighLowToolTipGenerator) in.readObject();
112             in.close();
113         }
114         catch (Exception JavaDoc e) {
115             System.out.println(e.toString());
116         }
117         assertEquals(g1, g2);
118
119     }
120
121 }
122
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