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Java > Open Source Codes > org > jfree > experimental > chart > renderer > junit > LookupPaintScaleTests


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2006, 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  * LookupPaintScaleTests.java
29  * --------------------------
30  * (C) Copyright 2006, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: LookupPaintScaleTests.java,v 1.1.2.1 2006/10/12 10:58:44 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 05-Jul-2006 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.experimental.chart.renderer.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.experimental.chart.renderer.LookupPaintScale;
57
58 /**
59  * Tests for the {@link LookupPaintScale} class.
60  */
61 public class LookupPaintScaleTests 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(LookupPaintScaleTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public LookupPaintScaleTests(String JavaDoc name) {
78         super(name);
79     }
80     
81     /**
82      * A test for the equals() method.
83      */
84     public void testEquals() {
85         LookupPaintScale g1 = new LookupPaintScale();
86         LookupPaintScale g2 = new LookupPaintScale();
87         assertTrue(g1.equals(g2));
88         assertTrue(g2.equals(g1));
89     }
90     
91     /**
92      * Confirm that cloning works.
93      */
94     public void testCloning() {
95         LookupPaintScale g1 = new LookupPaintScale();
96         LookupPaintScale g2 = null;
97         try {
98             g2 = (LookupPaintScale) g1.clone();
99         }
100         catch (CloneNotSupportedException JavaDoc e) {
101             e.printStackTrace();
102         }
103         assertTrue(g1 != g2);
104         assertTrue(g1.getClass() == g2.getClass());
105         assertTrue(g1.equals(g2));
106     }
107     
108     /**
109      * Serialize an instance, restore it, and check for equality.
110      */
111     public void testSerialization() {
112         LookupPaintScale g1 = new LookupPaintScale();
113         LookupPaintScale g2 = null;
114         try {
115             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
116             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
117             out.writeObject(g1);
118             out.close();
119
120             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
121                     new ByteArrayInputStream JavaDoc(buffer.toByteArray()));
122             g2 = (LookupPaintScale) in.readObject();
123             in.close();
124         }
125         catch (Exception JavaDoc e) {
126             e.printStackTrace();
127         }
128         assertEquals(g1, g2);
129     }
130
131 }
132
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