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: * ChartRenderingInfoTests.java
029: * ----------------------------
030: * (C) Copyright 2004-2007, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: ChartRenderingInfoTests.java,v 1.1.2.3 2007/03/02 11:16:21 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 19-Mar-2004 : Version 1 (DG);
040: * 30-Nov-2005 : Updated for removed field in ChartRenderingInfo (DG);
041: *
042: */
043:
044: package org.jfree.chart.junit;
045:
046: import java.awt.Rectangle;
047: import java.awt.geom.Rectangle2D;
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.ChartRenderingInfo;
060: import org.jfree.chart.entity.ChartEntity;
061: import org.jfree.chart.entity.StandardEntityCollection;
062:
063: /**
064: * Tests for the {@link ChartRenderingInfo} class.
065: */
066: public class ChartRenderingInfoTests extends TestCase {
067:
068: /**
069: * Returns the tests as a test suite.
070: *
071: * @return The test suite.
072: */
073: public static Test suite() {
074: return new TestSuite(ChartRenderingInfoTests.class);
075: }
076:
077: /**
078: * Constructs a new set of tests.
079: *
080: * @param name the name of the tests.
081: */
082: public ChartRenderingInfoTests(String name) {
083: super (name);
084: }
085:
086: /**
087: * Confirm that the equals method can distinguish all the required fields.
088: */
089: public void testEquals() {
090: ChartRenderingInfo i1 = new ChartRenderingInfo();
091: ChartRenderingInfo i2 = new ChartRenderingInfo();
092: assertTrue(i1.equals(i2));
093:
094: i1.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
095: assertFalse(i1.equals(i2));
096: i2.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
097: assertTrue(i1.equals(i2));
098:
099: i1.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
100: assertFalse(i1.equals(i2));
101: i2.getPlotInfo().setDataArea(new Rectangle(1, 2, 3, 4));
102: assertTrue(i1.equals(i2));
103:
104: StandardEntityCollection e1 = new StandardEntityCollection();
105: e1.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
106: i1.setEntityCollection(e1);
107: assertFalse(i1.equals(i2));
108: StandardEntityCollection e2 = new StandardEntityCollection();
109: e2.add(new ChartEntity(new Rectangle(1, 2, 3, 4)));
110: i2.setEntityCollection(e2);
111: }
112:
113: /**
114: * Confirm that cloning works.
115: */
116: public void testCloning() {
117: ChartRenderingInfo i1 = new ChartRenderingInfo();
118: ChartRenderingInfo i2 = null;
119: try {
120: i2 = (ChartRenderingInfo) i1.clone();
121: } catch (CloneNotSupportedException e) {
122: e.printStackTrace();
123: }
124: assertTrue(i1 != i2);
125: assertTrue(i1.getClass() == i2.getClass());
126: assertTrue(i1.equals(i2));
127:
128: // check independence
129: i1.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
130: assertFalse(i1.equals(i2));
131: i2.getChartArea().setRect(4.0, 3.0, 2.0, 1.0);
132: assertTrue(i1.equals(i2));
133:
134: i1.getEntityCollection().add(
135: new ChartEntity(new Rectangle(1, 2, 2, 1)));
136: assertFalse(i1.equals(i2));
137: i2.getEntityCollection().add(
138: new ChartEntity(new Rectangle(1, 2, 2, 1)));
139: assertTrue(i1.equals(i2));
140:
141: }
142:
143: /**
144: * Serialize an instance, restore it, and check for equality.
145: */
146: public void testSerialization() {
147:
148: ChartRenderingInfo i1 = new ChartRenderingInfo();
149: i1.setChartArea(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
150: ChartRenderingInfo i2 = null;
151: try {
152: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
153: ObjectOutput out = new ObjectOutputStream(buffer);
154: out.writeObject(i1);
155: out.close();
156:
157: ObjectInput in = new ObjectInputStream(
158: new ByteArrayInputStream(buffer.toByteArray()));
159: i2 = (ChartRenderingInfo) in.readObject();
160: in.close();
161: } catch (Exception e) {
162: e.printStackTrace();
163: }
164: assertEquals(i1, i2);
165:
166: }
167:
168: /**
169: * Serialize an instance, restore it, and check for equality.
170: */
171: public void testSerialization2() {
172:
173: ChartRenderingInfo i1 = new ChartRenderingInfo();
174: i1.getPlotInfo().setDataArea(
175: new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
176: ChartRenderingInfo i2 = null;
177: try {
178: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
179: ObjectOutput out = new ObjectOutputStream(buffer);
180: out.writeObject(i1);
181: out.close();
182:
183: ObjectInput in = new ObjectInputStream(
184: new ByteArrayInputStream(buffer.toByteArray()));
185: i2 = (ChartRenderingInfo) in.readObject();
186: in.close();
187: } catch (Exception e) {
188: e.printStackTrace();
189: }
190: assertEquals(i1, i2);
191: assertEquals(i2, i2.getPlotInfo().getOwner());
192:
193: }
194: }
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