001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, 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: * XYLine3DRendererTests.java
029: * --------------------------
030: * (C) Copyright 2007, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: XYLine3DRendererTests.java,v 1.1.2.1 2007/04/30 21:50:43 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 30-Apr-2007 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.renderer.xy.junit;
044:
045: import java.awt.Color;
046: import java.awt.GradientPaint;
047: import java.io.ByteArrayInputStream;
048: import java.io.ByteArrayOutputStream;
049: import java.io.ObjectInput;
050: import java.io.ObjectInputStream;
051: import java.io.ObjectOutput;
052: import java.io.ObjectOutputStream;
053:
054: import junit.framework.Test;
055: import junit.framework.TestCase;
056: import junit.framework.TestSuite;
057:
058: import org.jfree.chart.renderer.xy.XYLine3DRenderer;
059:
060: /**
061: * Tests for the {@link XYLine3DRenderer} class.
062: */
063: public class XYLine3DRendererTests extends TestCase {
064:
065: /**
066: * Returns the tests as a test suite.
067: *
068: * @return The test suite.
069: */
070: public static Test suite() {
071: return new TestSuite(XYLine3DRendererTests.class);
072: }
073:
074: /**
075: * Constructs a new set of tests.
076: *
077: * @param name the name of the tests.
078: */
079: public XYLine3DRendererTests(String name) {
080: super (name);
081: }
082:
083: /**
084: * Check that the equals() method distinguishes all fields.
085: */
086: public void testEquals() {
087: XYLine3DRenderer r1 = new XYLine3DRenderer();
088: XYLine3DRenderer r2 = new XYLine3DRenderer();
089: assertEquals(r1, r2);
090:
091: r1.setXOffset(11.1);
092: assertFalse(r1.equals(r2));
093: r2.setXOffset(11.1);
094: assertTrue(r1.equals(r2));
095:
096: r1.setYOffset(11.1);
097: assertFalse(r1.equals(r2));
098: r2.setYOffset(11.1);
099: assertTrue(r1.equals(r2));
100:
101: r1.setWallPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
102: 4.0f, Color.blue));
103: assertFalse(r1.equals(r2));
104: r2.setWallPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
105: 4.0f, Color.blue));
106: assertTrue(r1.equals(r2));
107: }
108:
109: /**
110: * Two objects that are equal are required to return the same hashCode.
111: */
112: public void testHashcode() {
113: XYLine3DRenderer r1 = new XYLine3DRenderer();
114: XYLine3DRenderer r2 = new XYLine3DRenderer();
115: assertTrue(r1.equals(r2));
116: int h1 = r1.hashCode();
117: int h2 = r2.hashCode();
118: assertEquals(h1, h2);
119: }
120:
121: /**
122: * Confirm that cloning works.
123: */
124: public void testCloning() {
125: XYLine3DRenderer r1 = new XYLine3DRenderer();
126: r1.setWallPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
127: 4.0f, Color.blue));
128: XYLine3DRenderer r2 = null;
129: try {
130: r2 = (XYLine3DRenderer) r1.clone();
131: } catch (CloneNotSupportedException e) {
132: e.printStackTrace();
133: }
134: assertTrue(r1 != r2);
135: assertTrue(r1.getClass() == r2.getClass());
136: assertTrue(r1.equals(r2));
137: }
138:
139: /**
140: * Serialize an instance, restore it, and check for equality.
141: */
142: public void testSerialization() {
143:
144: XYLine3DRenderer r1 = new XYLine3DRenderer();
145: r1.setWallPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
146: 4.0f, Color.blue));
147: XYLine3DRenderer r2 = null;
148:
149: try {
150: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
151: ObjectOutput out = new ObjectOutputStream(buffer);
152: out.writeObject(r1);
153: out.close();
154:
155: ObjectInput in = new ObjectInputStream(
156: new ByteArrayInputStream(buffer.toByteArray()));
157: r2 = (XYLine3DRenderer) in.readObject();
158: in.close();
159: } catch (Exception e) {
160: e.printStackTrace();
161: }
162: assertEquals(r1, r2);
163:
164: }
165:
166: }
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