001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2006, 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: * PlotRenderingInfoTests.java
029: * ---------------------------
030: * (C) Copyright 2004, 2006, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: PlotRenderingInfoTests.java,v 1.1.2.2 2006/12/01 13:51:07 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 20-May-2004 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.plot.junit;
044:
045: import java.awt.Rectangle;
046: import java.awt.geom.Rectangle2D;
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.ChartRenderingInfo;
059: import org.jfree.chart.plot.PlotRenderingInfo;
060:
061: /**
062: * Tests for the {@link PlotRenderingInfo} class.
063: */
064: public class PlotRenderingInfoTests 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(PlotRenderingInfoTests.class);
073: }
074:
075: /**
076: * Constructs a new set of tests.
077: *
078: * @param name the name of the tests.
079: */
080: public PlotRenderingInfoTests(String name) {
081: super (name);
082: }
083:
084: /**
085: * Test the equals() method.
086: */
087: public void testEquals() {
088: PlotRenderingInfo p1 = new PlotRenderingInfo(
089: new ChartRenderingInfo());
090: PlotRenderingInfo p2 = new PlotRenderingInfo(
091: new ChartRenderingInfo());
092: assertTrue(p1.equals(p2));
093: assertTrue(p2.equals(p1));
094:
095: p1.setPlotArea(new Rectangle(2, 3, 4, 5));
096: assertFalse(p1.equals(p2));
097: p2.setPlotArea(new Rectangle(2, 3, 4, 5));
098: assertTrue(p1.equals(p2));
099:
100: p1.setDataArea(new Rectangle(2, 4, 6, 8));
101: assertFalse(p1.equals(p2));
102: p2.setDataArea(new Rectangle(2, 4, 6, 8));
103: assertTrue(p1.equals(p2));
104:
105: p1.addSubplotInfo(new PlotRenderingInfo(null));
106: assertFalse(p1.equals(p2));
107: p2.addSubplotInfo(new PlotRenderingInfo(null));
108: assertTrue(p1.equals(p2));
109:
110: p1.getSubplotInfo(0).setDataArea(new Rectangle(1, 2, 3, 4));
111: assertFalse(p1.equals(p2));
112: p2.getSubplotInfo(0).setDataArea(new Rectangle(1, 2, 3, 4));
113: assertTrue(p1.equals(p2));
114: }
115:
116: /**
117: * Confirm that cloning works.
118: */
119: public void testCloning() {
120: PlotRenderingInfo p1 = new PlotRenderingInfo(
121: new ChartRenderingInfo());
122: p1.setPlotArea(new Rectangle2D.Double());
123: PlotRenderingInfo p2 = null;
124: try {
125: p2 = (PlotRenderingInfo) p1.clone();
126: } catch (CloneNotSupportedException e) {
127: e.printStackTrace();
128: }
129: assertTrue(p1 != p2);
130: assertTrue(p1.getClass() == p2.getClass());
131: assertTrue(p1.equals(p2));
132:
133: // check independence
134: p1.getPlotArea().setRect(1.0, 2.0, 3.0, 4.0);
135: assertFalse(p1.equals(p2));
136: p2.getPlotArea().setRect(1.0, 2.0, 3.0, 4.0);
137: assertTrue(p1.equals(p2));
138:
139: p1.getDataArea().setRect(4.0, 3.0, 2.0, 1.0);
140: assertFalse(p1.equals(p2));
141: p2.getDataArea().setRect(4.0, 3.0, 2.0, 1.0);
142: assertTrue(p1.equals(p2));
143: }
144:
145: /**
146: * Serialize an instance, restore it, and check for equality.
147: */
148: public void testSerialization() {
149:
150: PlotRenderingInfo p1 = new PlotRenderingInfo(
151: new ChartRenderingInfo());
152: PlotRenderingInfo p2 = null;
153:
154: try {
155: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
156: ObjectOutput out = new ObjectOutputStream(buffer);
157: out.writeObject(p1);
158: out.close();
159:
160: ObjectInput in = new ObjectInputStream(
161: new ByteArrayInputStream(buffer.toByteArray()));
162: p2 = (PlotRenderingInfo) in.readObject();
163: in.close();
164: } catch (Exception e) {
165: System.out.println(e.toString());
166: }
167: assertEquals(p1, p2);
168:
169: }
170:
171: }
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