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Java > Open Source Codes > org > jfree > chart > axis > junit > SymbolAxisTests


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  * SymbolicAxisTests.java
29  * ----------------------
30  * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: SymbolAxisTests.java,v 1.1.2.1 2006/10/03 15:41:23 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 26-Mar-2003 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.axis.junit;
44
45 import java.awt.Color JavaDoc;
46 import java.io.ByteArrayInputStream JavaDoc;
47 import java.io.ByteArrayOutputStream JavaDoc;
48 import java.io.ObjectInput JavaDoc;
49 import java.io.ObjectInputStream JavaDoc;
50 import java.io.ObjectOutput JavaDoc;
51 import java.io.ObjectOutputStream JavaDoc;
52
53 import junit.framework.Test;
54 import junit.framework.TestCase;
55 import junit.framework.TestSuite;
56
57 import org.jfree.chart.axis.SymbolAxis;
58
59 /**
60  * Tests for the {@link SymbolAxis} class.
61  */
62 public class SymbolAxisTests extends TestCase {
63
64     /**
65      * Returns the tests as a test suite.
66      *
67      * @return The test suite.
68      */
69     public static Test suite() {
70         return new TestSuite(SymbolAxisTests.class);
71     }
72
73     /**
74      * Constructs a new set of tests.
75      *
76      * @param name the name of the tests.
77      */
78     public SymbolAxisTests(String JavaDoc name) {
79         super(name);
80     }
81
82     /**
83      * Serialize an instance, restore it, and check for equality.
84      */
85     public void testSerialization() {
86
87         String JavaDoc[] tickLabels = new String JavaDoc[] {"One", "Two", "Three"};
88         SymbolAxis a1 = new SymbolAxis("Test Axis", tickLabels);
89         SymbolAxis a2 = null;
90
91         try {
92             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
93             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
94             out.writeObject(a1);
95             out.close();
96
97             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
98                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
99             );
100             a2 = (SymbolAxis) in.readObject();
101             in.close();
102         }
103         catch (Exception JavaDoc e) {
104             System.out.println(e.toString());
105         }
106         assertEquals(a1, a2);
107
108     }
109     
110     /**
111      * Confirm that cloning works.
112      */
113     public void testCloning() {
114         SymbolAxis a1 = new SymbolAxis("Axis", new String JavaDoc[] {"A", "B"});
115         SymbolAxis a2 = null;
116         try {
117             a2 = (SymbolAxis) a1.clone();
118         }
119         catch (CloneNotSupportedException JavaDoc e) {
120             e.printStackTrace();
121         }
122         assertTrue(a1 != a2);
123         assertTrue(a1.getClass() == a2.getClass());
124         assertTrue(a1.equals(a2));
125     }
126
127     /**
128      * Confirm that the equals method can distinguish all the required fields.
129      */
130     public void testEquals() {
131         SymbolAxis a1 = new SymbolAxis("Axis", new String JavaDoc[] {"A", "B"});
132         SymbolAxis a2 = new SymbolAxis("Axis", new String JavaDoc[] {"A", "B"});
133         assertTrue(a1.equals(a2));
134         assertTrue(a2.equals(a1));
135         
136         a1 = new SymbolAxis("Axis 2", new String JavaDoc[] {"A", "B"});
137         assertFalse(a1.equals(a2));
138         a2 = new SymbolAxis("Axis 2", new String JavaDoc[] {"A", "B"});
139         assertTrue(a1.equals(a2));
140
141         a1 = new SymbolAxis("Axis 2", new String JavaDoc[] {"C", "B"});
142         assertFalse(a1.equals(a2));
143         a2 = new SymbolAxis("Axis 2", new String JavaDoc[] {"C", "B"});
144         assertTrue(a1.equals(a2));
145         
146         a1.setGridBandPaint(Color.black);
147         assertFalse(a1.equals(a2));
148         a2.setGridBandPaint(Color.black);
149         assertTrue(a1.equals(a2));
150         
151         a1.setGridBandsVisible(false);
152         assertFalse(a1.equals(a2));
153         a2.setGridBandsVisible(false);
154         assertTrue(a1.equals(a2));
155     }
156
157 }
158
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