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Java > Open Source Codes > org > jfree > chart > renderer > category > junit > LineRenderer3DTests


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  * LineRenderer3DTests.java
29  * ------------------------
30  * (C) Copyright 2004, by Object Refinery Limited and Contributors.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: LineRenderer3DTests.java,v 1.1.2.1 2006/10/03 15:41:33 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 15-Oct-2004 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.renderer.category.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.chart.renderer.category.LineRenderer3D;
57
58 /**
59  * Tests for the {@link LineRenderer3D} class.
60  */
61 public class LineRenderer3DTests 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(LineAndShapeRendererTests.class);
70     }
71
72     /**
73      * Constructs a new set of tests.
74      *
75      * @param name the name of the tests.
76      */
77     public LineRenderer3DTests(String JavaDoc name) {
78         super(name);
79     }
80
81     /**
82      * Test that the equals() method distinguishes all fields.
83      */
84     public void testEquals() {
85         LineRenderer3D r1 = new LineRenderer3D();
86         LineRenderer3D r2 = new LineRenderer3D();
87         assertEquals(r1, r2);
88     }
89
90     /**
91      * Two objects that are equal are required to return the same hashCode.
92      */
93     public void testHashcode() {
94         LineRenderer3D r1 = new LineRenderer3D();
95         LineRenderer3D r2 = new LineRenderer3D();
96         assertTrue(r1.equals(r2));
97         int h1 = r1.hashCode();
98         int h2 = r2.hashCode();
99         assertEquals(h1, h2);
100     }
101     
102     /**
103      * Confirm that cloning works.
104      */
105     public void testCloning() {
106         LineRenderer3D r1 = new LineRenderer3D();
107         LineRenderer3D r2 = null;
108         try {
109             r2 = (LineRenderer3D) r1.clone();
110         }
111         catch (CloneNotSupportedException JavaDoc e) {
112             System.err.println("Failed to clone.");
113         }
114         assertTrue(r1 != r2);
115         assertTrue(r1.getClass() == r2.getClass());
116         assertTrue(r1.equals(r2));
117         
118         assertTrue(checkIndependence(r1, r2));
119         
120     }
121
122     /**
123      * Checks that the two renderers are equal but independent of one another.
124      *
125      * @param r1 renderer 1.
126      * @param r2 renderer 2.
127      *
128      * @return A boolean.
129      */
130     private boolean checkIndependence(LineRenderer3D r1, LineRenderer3D r2) {
131
132         // should be equal...
133 boolean b0 = r1.equals(r2);
134         
135         // and independent...
136 r1.setBaseLinesVisible(!r1.getBaseLinesVisible());
137         if (r1.equals(r2)) {
138             return false;
139         }
140         r2.setBaseLinesVisible(r1.getBaseLinesVisible());
141         if (!r1.equals(r2)) {
142             return false;
143         }
144
145         r1.setSeriesLinesVisible(1, true);
146         if (r1.equals(r2)) {
147             return false;
148         }
149         r2.setSeriesLinesVisible(1, true);
150         if (!r1.equals(r2)) {
151             return false;
152         }
153             
154         r1.setLinesVisible(false);
155         if (r1.equals(r2)) {
156             return false;
157         }
158         r2.setLinesVisible(false);
159         if (!r1.equals(r2)) {
160             return false;
161         }
162                 
163         r1.setBaseShapesVisible(!r1.getBaseShapesVisible());
164         if (r1.equals(r2)) {
165             return false;
166         }
167         r2.setBaseShapesVisible(r1.getBaseShapesVisible());
168         if (!r1.equals(r2)) {
169             return false;
170         }
171
172         r1.setSeriesShapesVisible(1, true);
173         if (r1.equals(r2)) {
174             return false;
175         }
176         r2.setSeriesShapesVisible(1, true);
177         if (!r1.equals(r2)) {
178             return false;
179         }
180             
181         r1.setShapesVisible(false);
182         if (r1.equals(r2)) {
183             return false;
184         }
185         r2.setShapesVisible(false);
186         if (!r1.equals(r2)) {
187             return false;
188         }
189
190         boolean flag = true;
191         Boolean JavaDoc existing = r1.getShapesFilled();
192         if (existing != null) {
193             flag = !existing.booleanValue();
194         }
195         r1.setShapesFilled(flag);
196         boolean b5 = !r1.equals(r2);
197         r2.setShapesFilled(flag);
198         boolean b6 = r1.equals(r2);
199
200         r1.setShapesFilled(false);
201         r2.setShapesFilled(false);
202         r1.setSeriesShapesFilled(0, false);
203         r2.setSeriesShapesFilled(0, true);
204         boolean b7 = !r1.equals(r2);
205         r2.setSeriesShapesFilled(0, false);
206         boolean b8 = (r1.equals(r2));
207         
208         r1.setBaseShapesFilled(false);
209         r2.setBaseShapesFilled(true);
210         boolean b9 = !r1.equals(r2);
211         r2.setBaseShapesFilled(false);
212         boolean b10 = (r1.equals(r2));
213         
214         return b0 && b5 && b6 && b7 && b8 && b9 && b10;
215     
216     }
217
218     /**
219      * Serialize an instance, restore it, and check for equality.
220      */
221     public void testSerialization() {
222
223         LineRenderer3D r1 = new LineRenderer3D();
224         LineRenderer3D r2 = null;
225
226         try {
227             ByteArrayOutputStream JavaDoc buffer = new ByteArrayOutputStream JavaDoc();
228             ObjectOutput JavaDoc out = new ObjectOutputStream JavaDoc(buffer);
229             out.writeObject(r1);
230             out.close();
231
232             ObjectInput JavaDoc in = new ObjectInputStream JavaDoc(
233                 new ByteArrayInputStream JavaDoc(buffer.toByteArray())
234             );
235             r2 = (LineRenderer3D) in.readObject();
236             in.close();
237         }
238         catch (Exception JavaDoc e) {
239             System.out.println(e.toString());
240         }
241         assertEquals(r1, r2);
242
243     }
244
245 }
246
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