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


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 License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * ---------------------------------------
27  * BoxAndWhiskerToolTipGeneratorTests.java
28  * ---------------------------------------
29  * (C) Copyright 2004, by Object Refinery Limited and Contributors.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: BoxAndWhiskerToolTipGeneratorTests.java,v 1.2 2005/02/09 14:23:48 mungady Exp $
35  *
36  * Changes
37  * -------
38  * 02-Jun-2004 : Version 1 (DG);
39  *
40  */
41
42 package org.jfree.chart.labels.junit;
43
44 import java.io.ByteArrayInputStream JavaDoc;
45 import java.io.ByteArrayOutputStream JavaDoc;
46 import java.io.ObjectInput JavaDoc;
47 import java.io.ObjectInputStream JavaDoc;
48 import java.io.ObjectOutput JavaDoc;
49 import java.io.ObjectOutputStream JavaDoc;
50 import java.text.DecimalFormat JavaDoc;
51
52 import junit.framework.Test;
53 import junit.framework.TestCase;
54 import junit.framework.TestSuite;
55
56 import org.jfree.chart.labels.BoxAndWhiskerToolTipGenerator;
57
58 /**
59  * Tests for the {@link BoxAndWhiskerToolTipGenerator} class.
60  */
61 public class BoxAndWhiskerToolTipGeneratorTests 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(BoxAndWhiskerToolTipGeneratorTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public BoxAndWhiskerToolTipGeneratorTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * A series of tests for the equals() method.
83      */
84     public void testEquals() {
85         
86         // standard test
87 BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
88         BoxAndWhiskerToolTipGenerator g2 = new BoxAndWhiskerToolTipGenerator();
89         assertTrue(g1.equals(g2));
90         assertTrue(g2.equals(g1));
91         
92         // tooltip format
93 g1 = new BoxAndWhiskerToolTipGenerator(
94             "{0} --> {1} {2}", new DecimalFormat JavaDoc("0.0")
95         );
96         g2 = new BoxAndWhiskerToolTipGenerator(
97             "{1} {2}", new DecimalFormat JavaDoc("0.0")
98         );
99         assertFalse(g1.equals(g2));
100         g2 = new BoxAndWhiskerToolTipGenerator(
101             "{0} --> {1} {2}", new DecimalFormat JavaDoc("0.0")
102         );
103         assertTrue(g1.equals(g2));
104
105         // Y format
106 g1 = new BoxAndWhiskerToolTipGenerator(
107             "{0} --> {1} {2}", new DecimalFormat JavaDoc("0.0")
108         );
109         g2 = new BoxAndWhiskerToolTipGenerator(
110             "{0} --> {1} {2}", new DecimalFormat JavaDoc("0.00")
111         );
112         assertFalse(g1.equals(g2));
113         g2 = new BoxAndWhiskerToolTipGenerator(
114             "{0} --> {1} {2}", new DecimalFormat JavaDoc("0.0")
115         );
116         assertTrue(g1.equals(g2));
117     }
118
119     /**
120      * Confirm that cloning works.
121      */
122     public void testCloning() {
123         BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
124         BoxAndWhiskerToolTipGenerator g2 = null;
125         try {
126             g2 = (BoxAndWhiskerToolTipGenerator) g1.clone();
127         }
128         catch (CloneNotSupportedException JavaDoc e) {
129             System.err.println("Failed to clone.");
130         }
131         assertTrue(g1 != g2);
132         assertTrue(g1.getClass() == g2.getClass());
133         assertTrue(g1.equals(g2));
134     }
135
136     /**
137      * Serialize an instance, restore it, and check for equality.
138      */
139     public void testSerialization() {
140
141         BoxAndWhiskerToolTipGenerator g1 = new BoxAndWhiskerToolTipGenerator();
142         BoxAndWhiskerToolTipGenerator g2 = null;
143
144         try {
145             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
146             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
147             out.writeObject(g1);
148             out.close();
149
150             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
151                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
152             );
153             g2 = (BoxAndWhiskerToolTipGenerator) in.readObject();
154             in.close();
155         }
156         catch (Exception JavaDoc e) {
157             System.out.println(e.toString());
158         }
159         assertEquals(g1, g2);
160
161     }
162
163 }
164
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