/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* -------------------------------
* DefaultHeatMapDatasetTests.java
* -------------------------------
* (C) Copyright 2009, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 28-Jan-2009 : Version 1 (DG);
*
*/
package org.jfree.data.general;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
/**
* Somes tests for the {@link DefaultHeatMapDataset} class.
*
* @since 1.0.13
*/
public class DefaultHeatMapDatasetTest
implements DatasetChangeListener {
/** The last event received. */
private DatasetChangeEvent lastEvent;
/**
* Records the last event.
*
* @param event the last event.
*/
@Override
public void datasetChanged(DatasetChangeEvent event) {
this.lastEvent = event;
}
private static final double EPSILON = 0.0000000001;
/**
* Some general tests.
*/
@Test
public void testGeneral() {
DefaultHeatMapDataset d = new DefaultHeatMapDataset(10, 5, 0.0, 9.0,
0.0, 5.0);
assertEquals(10, d.getXSampleCount());
assertEquals(5, d.getYSampleCount());
assertEquals(0.0, d.getMinimumXValue(), EPSILON);
assertEquals(9.0, d.getMaximumXValue(), EPSILON);
assertEquals(0.0, d.getMinimumYValue(), EPSILON);
assertEquals(5.0, d.getMaximumYValue(), EPSILON);
assertEquals(0.0, d.getZValue(0, 0), EPSILON);
d.addChangeListener(this);
d.setZValue(0, 0, 1.0, false);
assertEquals(1.0, d.getZValue(0, 0), EPSILON);
assertNull(this.lastEvent);
d.setZValue(1, 2, 2.0);
assertEquals(2.0, d.getZValue(1, 2), EPSILON);
assertNotNull(this.lastEvent);
}
/**
* Some tests for the equals() method.
*/
@Test
public void testEquals() {
DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(5, 10, 1.0, 2.0,
3.0, 4.0);
DefaultHeatMapDataset d2 = new DefaultHeatMapDataset(5, 10, 1.0, 2.0,
3.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 10, 1.0, 2.0, 3.0, 4.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 10, 1.0, 2.0, 3.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 11, 1.0, 2.0, 3.0, 4.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 11, 1.0, 2.0, 3.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 11, 2.0, 2.0, 3.0, 4.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 11, 2.0, 2.0, 3.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 3.0, 4.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 3.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 4.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 4.0);
assertEquals(d1, d2);
d1 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 5.0);
assertFalse(d1.equals(d2));
d2 = new DefaultHeatMapDataset(6, 11, 2.0, 3.0, 4.0, 5.0);
assertEquals(d1, d2);
d1.setZValue(1, 2, 3.0);
assertFalse(d1.equals(d2));
d2.setZValue(1, 2, 3.0);
assertEquals(d1, d2);
d1.setZValue(0, 0, Double.NEGATIVE_INFINITY);
assertFalse(d1.equals(d2));
d2.setZValue(0, 0, Double.NEGATIVE_INFINITY);
assertEquals(d1, d2);
d1.setZValue(0, 1, Double.POSITIVE_INFINITY);
assertFalse(d1.equals(d2));
d2.setZValue(0, 1, Double.POSITIVE_INFINITY);
assertEquals(d1, d2);
d1.setZValue(0, 2, Double.NaN);
assertFalse(d1.equals(d2));
d2.setZValue(0, 2, Double.NaN);
assertEquals(d1, d2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(2, 3, -1.0, 4.0,
-2.0, 5.0);
d1.setZValue(0, 0, 10.0);
d1.setZValue(0, 1, Double.NEGATIVE_INFINITY);
d1.setZValue(0, 2, Double.POSITIVE_INFINITY);
d1.setZValue(1, 0, Double.NaN);
DefaultHeatMapDataset d2 = (DefaultHeatMapDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// simple check for independence
d1.setZValue(0, 0, 11.0);
assertFalse(d1.equals(d2));
d2.setZValue(0, 0, 11.0);
assertEquals(d1, d2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultHeatMapDataset d1 = new DefaultHeatMapDataset(2, 3, -1.0, 4.0,
-2.0, 5.0);
d1.setZValue(0, 0, 10.0);
d1.setZValue(0, 1, Double.NEGATIVE_INFINITY);
d1.setZValue(0, 2, Double.POSITIVE_INFINITY);
d1.setZValue(1, 0, Double.NaN);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
DefaultHeatMapDataset d2 = (DefaultHeatMapDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
}