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 * AreaXYRendererTests.java
28 * ------------------------
29 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
30 *
31 * Original Author: David Gilbert (for Object Refinery Limited);
32 * Contributor(s): -;
33 *
34 * $Id: XYAreaRendererTests.java,v 1.5 2005/06/02 09:01:10 mungady Exp $
35 *
36 * Changes
37 * -------
38 * 25-Mar-2003 : Version 1 (DG);
39 * 22-Oct-2003 : Added hashCode test (DG);
40 *
41 */
42
43 package org.jfree.chart.renderer.xy.junit;
44
45 import java.awt.geom.Rectangle2D;
46 import java.io.ByteArrayInputStream;
47 import java.io.ByteArrayOutputStream;
48 import java.io.ObjectInput;
49 import java.io.ObjectInputStream;
50 import java.io.ObjectOutput;
51 import java.io.ObjectOutputStream;
52
53 import junit.framework.Test;
54 import junit.framework.TestCase;
55 import junit.framework.TestSuite;
56
57 import org.jfree.chart.renderer.xy.XYAreaRenderer;
58
59 /**
60 * Tests for the {@link XYAreaRenderer} class.
61 */
62 public class XYAreaRendererTests 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(XYAreaRendererTests.class);
71 }
72
73 /**
74 * Constructs a new set of tests.
75 *
76 * @param name the name of the tests.
77 */
78 public XYAreaRendererTests(String name) {
79 super(name);
80 }
81
82 /**
83 * Check that the equals() method distinguishes all fields.
84 */
85 public void testEquals() {
86 XYAreaRenderer r1 = new XYAreaRenderer();
87 XYAreaRenderer r2 = new XYAreaRenderer();
88 assertEquals(r1, r2);
89
90 r1 = new XYAreaRenderer(XYAreaRenderer.AREA_AND_SHAPES);
91 assertFalse(r1.equals(r2));
92 r2 = new XYAreaRenderer(XYAreaRenderer.AREA_AND_SHAPES);
93 assertTrue(r1.equals(r2));
94
95 r1 = new XYAreaRenderer(XYAreaRenderer.AREA);
96 assertFalse(r1.equals(r2));
97 r2 = new XYAreaRenderer(XYAreaRenderer.AREA);
98 assertTrue(r1.equals(r2));
99
100 r1 = new XYAreaRenderer(XYAreaRenderer.LINES);
101 assertFalse(r1.equals(r2));
102 r2 = new XYAreaRenderer(XYAreaRenderer.LINES);
103 assertTrue(r1.equals(r2));
104
105 r1 = new XYAreaRenderer(XYAreaRenderer.SHAPES);
106 assertFalse(r1.equals(r2));
107 r2 = new XYAreaRenderer(XYAreaRenderer.SHAPES);
108 assertTrue(r1.equals(r2));
109
110 r1 = new XYAreaRenderer(XYAreaRenderer.SHAPES_AND_LINES);
111 assertFalse(r1.equals(r2));
112 r2 = new XYAreaRenderer(XYAreaRenderer.SHAPES_AND_LINES);
113 assertTrue(r1.equals(r2));
114
115 r1.setOutline(true);
116 assertFalse(r1.equals(r2));
117 r2.setOutline(true);
118 assertTrue(r1.equals(r2));
119
120 r1.setLegendArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
121 assertFalse(r1.equals(r2));
122 r2.setLegendArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
123 assertTrue(r1.equals(r2));
124 }
125
126 /**
127 * Two objects that are equal are required to return the same hashCode.
128 */
129 public void testHashcode() {
130 XYAreaRenderer r1 = new XYAreaRenderer();
131 XYAreaRenderer r2 = new XYAreaRenderer();
132 assertTrue(r1.equals(r2));
133 int h1 = r1.hashCode();
134 int h2 = r2.hashCode();
135 assertEquals(h1, h2);
136 }
137
138 /**
139 * Confirm that cloning works.
140 */
141 public void testCloning() {
142 XYAreaRenderer r1 = new XYAreaRenderer();
143 XYAreaRenderer r2 = null;
144 try {
145 r2 = (XYAreaRenderer) r1.clone();
146 }
147 catch (CloneNotSupportedException e) {
148 System.err.println("Failed to clone.");
149 }
150 assertTrue(r1 != r2);
151 assertTrue(r1.getClass() == r2.getClass());
152 assertTrue(r1.equals(r2));
153 }
154
155 /**
156 * Serialize an instance, restore it, and check for equality.
157 */
158 public void testSerialization() {
159
160 XYAreaRenderer r1 = new XYAreaRenderer();
161 XYAreaRenderer r2 = null;
162
163 try {
164 ByteArrayOutputStream buffer = new ByteArrayOutputStream();
165 ObjectOutput out = new ObjectOutputStream(buffer);
166 out.writeObject(r1);
167 out.close();
168
169 ObjectInput in = new ObjectInputStream(
170 new ByteArrayInputStream(buffer.toByteArray())
171 );
172 r2 = (XYAreaRenderer) in.readObject();
173 in.close();
174 }
175 catch (Exception e) {
176 System.out.println(e.toString());
177 }
178 assertEquals(r1, r2);
179
180 }
181
182 }
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