001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * ---------------------------------
028: * XYBoxAndWhiskerRendererTests.java
029: * ---------------------------------
030: * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: XYBoxAndWhiskerRendererTests.java,v 1.1.2.1 2006/10/03 15:41:45 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 22-Oct-2003 : Version 1 (DG);
040: * 23-Apr-2004 : Extended testEquals() method (DG);
041: *
042: */
043:
044: package org.jfree.chart.renderer.xy.junit;
045:
046: import java.awt.Color;
047: import java.awt.GradientPaint;
048: import java.io.ByteArrayInputStream;
049: import java.io.ByteArrayOutputStream;
050: import java.io.ObjectInput;
051: import java.io.ObjectInputStream;
052: import java.io.ObjectOutput;
053: import java.io.ObjectOutputStream;
054:
055: import junit.framework.Test;
056: import junit.framework.TestCase;
057: import junit.framework.TestSuite;
058:
059: import org.jfree.chart.renderer.xy.XYBoxAndWhiskerRenderer;
060:
061: /**
062: * Tests for the {@link XYBoxAndWhiskerRenderer} class.
063: */
064: public class XYBoxAndWhiskerRendererTests extends TestCase {
065:
066: /**
067: * Returns the tests as a test suite.
068: *
069: * @return The test suite.
070: */
071: public static Test suite() {
072: return new TestSuite(XYBoxAndWhiskerRendererTests.class);
073: }
074:
075: /**
076: * Constructs a new set of tests.
077: *
078: * @param name the name of the tests.
079: */
080: public XYBoxAndWhiskerRendererTests(String name) {
081: super (name);
082: }
083:
084: /**
085: * Check that the equals() method distinguishes all fields.
086: */
087: public void testEquals() {
088:
089: XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();
090: XYBoxAndWhiskerRenderer r2 = new XYBoxAndWhiskerRenderer();
091: assertEquals(r1, r2);
092:
093: r1.setPaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 3.0f,
094: 4.0f, Color.red));
095: assertFalse(r1.equals(r2));
096: r2.setPaint(new GradientPaint(1.0f, 2.0f, Color.yellow, 3.0f,
097: 4.0f, Color.red));
098: assertEquals(r1, r2);
099:
100: r1.setArtifactPaint(new GradientPaint(1.0f, 2.0f, Color.green,
101: 3.0f, 4.0f, Color.red));
102: assertFalse(r1.equals(r2));
103: r2.setArtifactPaint(new GradientPaint(1.0f, 2.0f, Color.green,
104: 3.0f, 4.0f, Color.red));
105: assertEquals(r1, r2);
106:
107: r1.setBoxWidth(0.55);
108: assertFalse(r1.equals(r2));
109: r2.setBoxWidth(0.55);
110: assertEquals(r1, r2);
111:
112: r1.setFillBox(!r1.getFillBox());
113: assertFalse(r1.equals(r2));
114: r2.setFillBox(!r2.getFillBox());
115: assertEquals(r1, r2);
116:
117: }
118:
119: /**
120: * Two objects that are equal are required to return the same hashCode.
121: */
122: public void testHashcode() {
123: XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();
124: XYBoxAndWhiskerRenderer r2 = new XYBoxAndWhiskerRenderer();
125: assertTrue(r1.equals(r2));
126: int h1 = r1.hashCode();
127: int h2 = r2.hashCode();
128: assertEquals(h1, h2);
129: }
130:
131: /**
132: * Confirm that cloning works.
133: */
134: public void testCloning() {
135: XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();
136: XYBoxAndWhiskerRenderer r2 = null;
137: try {
138: r2 = (XYBoxAndWhiskerRenderer) r1.clone();
139: } catch (CloneNotSupportedException e) {
140: System.err.println("Failed to clone.");
141: }
142: assertTrue(r1 != r2);
143: assertTrue(r1.getClass() == r2.getClass());
144: assertTrue(r1.equals(r2));
145: }
146:
147: /**
148: * Serialize an instance, restore it, and check for equality.
149: */
150: public void testSerialization() {
151:
152: XYBoxAndWhiskerRenderer r1 = new XYBoxAndWhiskerRenderer();
153: XYBoxAndWhiskerRenderer r2 = null;
154:
155: try {
156: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
157: ObjectOutput out = new ObjectOutputStream(buffer);
158: out.writeObject(r1);
159: out.close();
160:
161: ObjectInput in = new ObjectInputStream(
162: new ByteArrayInputStream(buffer.toByteArray()));
163: r2 = (XYBoxAndWhiskerRenderer) in.readObject();
164: in.close();
165: } catch (Exception e) {
166: System.out.println(e.toString());
167: }
168: assertEquals(r1, r2);
169:
170: }
171:
172: }
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