/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jfreechart/index.html
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------
* MatrixSeriesTests.java
* ----------------------
* (C) Copyright 2004, 2005, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: MatrixSeriesTests.java,v 1.5.2.1 2005/10/25 21:37:07 mungady Exp $
*
* Changes
* -------
* 21-May-2004 : Version 1 (DG);
*
*/
package org.jfree.data.xy.junit;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.xy.MatrixSeries;
/**
* Tests for the {@link MatrixSeries} class.
*/
public class MatrixSeriesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(MatrixSeriesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public MatrixSeriesTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
m1.update(0, 0, 11.0);
m1.update(7, 2, 22.0);
MatrixSeries m2 = new MatrixSeries("Test", 8, 3);
m2.update(0, 0, 11.0);
m2.update(7, 2, 22.0);
assertTrue(m1.equals(m2));
assertTrue(m2.equals(m1));
m1 = new MatrixSeries("Test 2", 8, 3);
assertFalse(m1.equals(m2));
m2 = new MatrixSeries("Test 2", 8, 3);
assertTrue(m1.equals(m2));
m1 = new MatrixSeries("Test 2", 10, 3);
assertFalse(m1.equals(m2));
m2 = new MatrixSeries("Test 2", 10, 3);
assertTrue(m1.equals(m2));
m1 = new MatrixSeries("Test 2", 10, 5);
assertFalse(m1.equals(m2));
m2 = new MatrixSeries("Test 2", 10, 5);
assertTrue(m1.equals(m2));
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
m1.update(0, 0, 11.0);
m1.update(7, 2, 22.0);
MatrixSeries m2 = null;
try {
m2 = (MatrixSeries) m1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(m1 != m2);
assertTrue(m1.getClass() == m2.getClass());
assertTrue(m1.equals(m2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
MatrixSeries m1 = new MatrixSeries("Test", 8, 3);
m1.update(0, 0, 11.0);
m1.update(7, 2, 22.0);
MatrixSeries m2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
m2 = (MatrixSeries) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(m1, m2);
}
/**
* Tests the getItemColumn() method.
*/
public void testGetItemColumn() {
MatrixSeries m = new MatrixSeries("Test", 3, 2);
assertEquals(0, m.getItemColumn(0));
assertEquals(1, m.getItemColumn(1));
assertEquals(0, m.getItemColumn(2));
assertEquals(1, m.getItemColumn(3));
assertEquals(0, m.getItemColumn(4));
assertEquals(1, m.getItemColumn(5));
}
/**
* Tests the getItemRow() method.
*/
public void testGetItemRow() {
MatrixSeries m = new MatrixSeries("Test", 3, 2);
assertEquals(0, m.getItemRow(0));
assertEquals(0, m.getItemRow(1));
assertEquals(1, m.getItemRow(2));
assertEquals(1, m.getItemRow(3));
assertEquals(2, m.getItemRow(4));
assertEquals(2, m.getItemRow(5));
}
/**
* Tests the getItem() method.
*/
public void testGetItem() {
MatrixSeries m = new MatrixSeries("Test", 3, 2);
m.update(0, 0, 0.0);
m.update(0, 1, 1.0);
m.update(1, 0, 2.0);
m.update(1, 1, 3.0);
m.update(2, 0, 4.0);
m.update(2, 1, 5.0);
assertEquals(0.0, m.getItem(0).doubleValue(), 0.001);
assertEquals(1.0, m.getItem(1).doubleValue(), 0.001);
assertEquals(2.0, m.getItem(2).doubleValue(), 0.001);
assertEquals(3.0, m.getItem(3).doubleValue(), 0.001);
assertEquals(4.0, m.getItem(4).doubleValue(), 0.001);
assertEquals(5.0, m.getItem(5).doubleValue(), 0.001);
}
}