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: * XYBarDatasetTests.java
029: * ----------------------
030: * (C) Copyright 2007, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): ;
034: *
035: * $Id: XYBarDatasetTests.java,v 1.1.2.1 2007/01/25 14:02:05 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 25-Jan-2007 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.data.xy.junit;
044:
045: import java.io.ByteArrayInputStream;
046: import java.io.ByteArrayOutputStream;
047: import java.io.ObjectInput;
048: import java.io.ObjectInputStream;
049: import java.io.ObjectOutput;
050: import java.io.ObjectOutputStream;
051:
052: import junit.framework.Test;
053: import junit.framework.TestCase;
054: import junit.framework.TestSuite;
055:
056: import org.jfree.data.xy.DefaultXYDataset;
057: import org.jfree.data.xy.XYBarDataset;
058:
059: /**
060: * Some tests for the {@link XYBarDataset} class.
061: */
062: public class XYBarDatasetTests extends TestCase {
063:
064: /**
065: * Returns the tests as a test suite.
066: *
067: * @return The test suite.
068: */
069: public static Test suite() {
070: return new TestSuite(XYBarDatasetTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public XYBarDatasetTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Confirm that the equals method can distinguish all the required fields.
084: */
085: public void testEquals() {
086: DefaultXYDataset d1 = new DefaultXYDataset();
087: double[] x1 = new double[] { 1.0, 2.0, 3.0 };
088: double[] y1 = new double[] { 4.0, 5.0, 6.0 };
089: double[][] data1 = new double[][] { x1, y1 };
090: d1.addSeries("S1", data1);
091: DefaultXYDataset d2 = new DefaultXYDataset();
092: double[] x2 = new double[] { 1.0, 2.0, 3.0 };
093: double[] y2 = new double[] { 4.0, 5.0, 6.0 };
094: double[][] data2 = new double[][] { x2, y2 };
095: d2.addSeries("S1", data2);
096:
097: XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
098: XYBarDataset bd2 = new XYBarDataset(d2, 5.0);
099: assertTrue(bd1.equals(bd2));
100: assertTrue(bd2.equals(bd1));
101: }
102:
103: /**
104: * Confirm that cloning works.
105: */
106: public void testCloning() {
107: DefaultXYDataset d1 = new DefaultXYDataset();
108: double[] x1 = new double[] { 1.0, 2.0, 3.0 };
109: double[] y1 = new double[] { 4.0, 5.0, 6.0 };
110: double[][] data1 = new double[][] { x1, y1 };
111: d1.addSeries("S1", data1);
112: XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
113: XYBarDataset bd2 = null;
114: try {
115: bd2 = (XYBarDataset) bd1.clone();
116: } catch (CloneNotSupportedException e) {
117: e.printStackTrace();
118: }
119: assertTrue(bd1 != bd2);
120: assertTrue(bd1.getClass() == bd2.getClass());
121: assertTrue(bd1.equals(bd2));
122:
123: // check independence
124: d1 = (DefaultXYDataset) bd1.getUnderlyingDataset();
125: d1.addSeries("S2", new double[][] { { 1.0 }, { 2.0 } });
126: assertFalse(bd1.equals(bd2));
127: DefaultXYDataset d2 = (DefaultXYDataset) bd2
128: .getUnderlyingDataset();
129: d2.addSeries("S2", new double[][] { { 1.0 }, { 2.0 } });
130: assertTrue(bd1.equals(bd2));
131: }
132:
133: /**
134: * Serialize an instance, restore it, and check for equality.
135: */
136: public void testSerialization() {
137: DefaultXYDataset d1 = new DefaultXYDataset();
138: double[] x1 = new double[] { 1.0, 2.0, 3.0 };
139: double[] y1 = new double[] { 4.0, 5.0, 6.0 };
140: double[][] data1 = new double[][] { x1, y1 };
141: d1.addSeries("S1", data1);
142: XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
143: XYBarDataset bd2 = null;
144: try {
145: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
146: ObjectOutput out = new ObjectOutputStream(buffer);
147: out.writeObject(bd1);
148: out.close();
149:
150: ObjectInput in = new ObjectInputStream(
151: new ByteArrayInputStream(buffer.toByteArray()));
152: bd2 = (XYBarDataset) in.readObject();
153: in.close();
154: } catch (Exception e) {
155: e.printStackTrace();
156: }
157: assertEquals(bd1, bd2);
158: }
159:
160: }
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