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: * MatrixSeriesTests.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: MatrixSeriesTests.java,v 1.1.2.3 2006/11/27 16:38:56 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 21-May-2004 : 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.MatrixSeries;
057:
058: /**
059: * Tests for the {@link MatrixSeries} class.
060: */
061: public class MatrixSeriesTests extends TestCase {
062:
063: /**
064: * Returns the tests as a test suite.
065: *
066: * @return The test suite.
067: */
068: public static Test suite() {
069: return new TestSuite(MatrixSeriesTests.class);
070: }
071:
072: /**
073: * Constructs a new set of tests.
074: *
075: * @param name the name of the tests.
076: */
077: public MatrixSeriesTests(String name) {
078: super (name);
079: }
080:
081: /**
082: * Confirm that the equals method can distinguish all the required fields.
083: */
084: public void testEquals() {
085:
086: MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
087: m1.update(0, 0, 11.0);
088: m1.update(7, 2, 22.0);
089: MatrixSeries m2 = new MatrixSeries("Test", 8, 3);
090: m2.update(0, 0, 11.0);
091: m2.update(7, 2, 22.0);
092: assertTrue(m1.equals(m2));
093: assertTrue(m2.equals(m1));
094:
095: m1 = new MatrixSeries("Test 2", 8, 3);
096: assertFalse(m1.equals(m2));
097: m2 = new MatrixSeries("Test 2", 8, 3);
098: assertTrue(m1.equals(m2));
099:
100: m1 = new MatrixSeries("Test 2", 10, 3);
101: assertFalse(m1.equals(m2));
102: m2 = new MatrixSeries("Test 2", 10, 3);
103: assertTrue(m1.equals(m2));
104:
105: m1 = new MatrixSeries("Test 2", 10, 5);
106: assertFalse(m1.equals(m2));
107: m2 = new MatrixSeries("Test 2", 10, 5);
108: assertTrue(m1.equals(m2));
109:
110: m1.update(0, 0, 99);
111: assertFalse(m1.equals(m2));
112: m2.update(0, 0, 99);
113: assertTrue(m1.equals(m2));
114: }
115:
116: /**
117: * Confirm that cloning works.
118: */
119: public void testCloning() {
120: MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
121: m1.update(0, 0, 11.0);
122: m1.update(7, 2, 22.0);
123: MatrixSeries m2 = null;
124: try {
125: m2 = (MatrixSeries) m1.clone();
126: } catch (CloneNotSupportedException e) {
127: e.printStackTrace();
128: }
129: assertTrue(m1 != m2);
130: assertTrue(m1.getClass() == m2.getClass());
131: assertTrue(m1.equals(m2));
132: }
133:
134: /**
135: * Serialize an instance, restore it, and check for equality.
136: */
137: public void testSerialization() {
138: MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
139: m1.update(0, 0, 11.0);
140: m1.update(7, 2, 22.0);
141: MatrixSeries m2 = null;
142: try {
143: ByteArrayOutputStream buffer = new ByteArrayOutputStream();
144: ObjectOutput out = new ObjectOutputStream(buffer);
145: out.writeObject(m1);
146: out.close();
147:
148: ObjectInput in = new ObjectInputStream(
149: new ByteArrayInputStream(buffer.toByteArray()));
150: m2 = (MatrixSeries) in.readObject();
151: in.close();
152: } catch (Exception e) {
153: e.printStackTrace();
154: }
155: assertEquals(m1, m2);
156: }
157:
158: /**
159: * Tests the getItemColumn() method.
160: */
161: public void testGetItemColumn() {
162: MatrixSeries m = new MatrixSeries("Test", 3, 2);
163: assertEquals(0, m.getItemColumn(0));
164: assertEquals(1, m.getItemColumn(1));
165: assertEquals(0, m.getItemColumn(2));
166: assertEquals(1, m.getItemColumn(3));
167: assertEquals(0, m.getItemColumn(4));
168: assertEquals(1, m.getItemColumn(5));
169: }
170:
171: /**
172: * Tests the getItemRow() method.
173: */
174: public void testGetItemRow() {
175: MatrixSeries m = new MatrixSeries("Test", 3, 2);
176: assertEquals(0, m.getItemRow(0));
177: assertEquals(0, m.getItemRow(1));
178: assertEquals(1, m.getItemRow(2));
179: assertEquals(1, m.getItemRow(3));
180: assertEquals(2, m.getItemRow(4));
181: assertEquals(2, m.getItemRow(5));
182: }
183:
184: /**
185: * Tests the getItem() method.
186: */
187: public void testGetItem() {
188: MatrixSeries m = new MatrixSeries("Test", 3, 2);
189: m.update(0, 0, 0.0);
190: m.update(0, 1, 1.0);
191: m.update(1, 0, 2.0);
192: m.update(1, 1, 3.0);
193: m.update(2, 0, 4.0);
194: m.update(2, 1, 5.0);
195: assertEquals(0.0, m.getItem(0).doubleValue(), 0.001);
196: assertEquals(1.0, m.getItem(1).doubleValue(), 0.001);
197: assertEquals(2.0, m.getItem(2).doubleValue(), 0.001);
198: assertEquals(3.0, m.getItem(3).doubleValue(), 0.001);
199: assertEquals(4.0, m.getItem(4).doubleValue(), 0.001);
200: assertEquals(5.0, m.getItem(5).doubleValue(), 0.001);
201: }
202: }
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