/* ===========================================================
* 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.]
*
* ----------------------
* VectorSeriesTests.java
* ----------------------
* (C) Copyright 2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 30-Jan-2007 : Version 1, based on XYSeriesTests (DG);
* 24-May-2007 : Updated for modified method names (DG);
* 27-Nov-2007 : Added testClear() method (DG);
*
*/
package org.jfree.data.xy;
import org.jfree.data.general.SeriesChangeEvent;
import org.jfree.data.general.SeriesChangeListener;
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;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link VectorSeries} class.
*/
public class VectorSeriesTest
implements SeriesChangeListener {
SeriesChangeEvent lastEvent;
/**
* Records the last event.
*
* @param event the event.
*/
@Override
public void seriesChanged(SeriesChangeEvent event) {
this.lastEvent = event;
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
VectorSeries s1 = new VectorSeries("s1");
VectorSeries s2 = new VectorSeries("s1");
assertEquals(s1, s2);
// seriesKey
s1 = new VectorSeries("s2");
assertFalse(s1.equals(s2));
s2 = new VectorSeries("s2");
assertEquals(s1, s2);
// autoSort
s1 = new VectorSeries("s2", true, true);
assertFalse(s1.equals(s2));
s2 = new VectorSeries("s2", true, true);
assertEquals(s1, s2);
// allowDuplicateValues
s1 = new VectorSeries("s2", false, false);
assertFalse(s1.equals(s2));
s2 = new VectorSeries("s2", false, false);
assertEquals(s1, s2);
// add a value
s1.add(1.0, 0.5, 1.5, 2.0);
assertFalse(s1.equals(s2));
s2.add(1.0, 0.5, 1.5, 2.0);
assertEquals(s2, s1);
// add another value
s1.add(2.0, 0.5, 1.5, 2.0);
assertFalse(s1.equals(s2));
s2.add(2.0, 0.5, 1.5, 2.0);
assertEquals(s2, s1);
// remove a value
s1.remove(new XYCoordinate(1.0, 0.5));
assertFalse(s1.equals(s2));
s2.remove(new XYCoordinate(1.0, 0.5));
assertEquals(s2, s1);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
VectorSeries s1 = new VectorSeries("s1");
s1.add(1.0, 0.5, 1.5, 2.0);
VectorSeries s2 = (VectorSeries) s1.clone();
assertNotSame(s1, s2);
assertSame(s1.getClass(), s2.getClass());
assertEquals(s1, s2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
VectorSeries s1 = new VectorSeries("s1");
s1.add(1.0, 0.5, 1.5, 2.0);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(s1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
VectorSeries s2 = (VectorSeries) in.readObject();
in.close();
assertEquals(s1, s2);
}
/**
* Simple test for the indexOf() method.
*/
@Test
public void testIndexOf() {
VectorSeries s1 = new VectorSeries("Series 1");
s1.add(1.0, 1.0, 1.0, 2.0);
s1.add(2.0, 2.0, 2.0, 3.0);
s1.add(3.0, 3.0, 3.0, 4.0);
assertEquals(0, s1.indexOf(new XYCoordinate(1.0, 1.0)));
}
/**
* A check for the indexOf() method for an unsorted series.
*/
@Test
public void testIndexOf2() {
VectorSeries s1 = new VectorSeries("Series 1");
s1.add(1.0, 1.0, 1.0, 2.0);
s1.add(3.0, 3.0, 3.0, 3.0);
s1.add(2.0, 2.0, 2.0, 2.0);
assertEquals(0, s1.indexOf(new XYCoordinate(1.0, 1.0)));
assertEquals(1, s1.indexOf(new XYCoordinate(3.0, 3.0)));
assertEquals(2, s1.indexOf(new XYCoordinate(2.0, 2.0)));
}
/**
* Simple test for the remove() method.
*/
@Test
public void testRemove() {
VectorSeries s1 = new VectorSeries("Series 1");
s1.add(1.0, 1.0, 1.0, 2.0);
s1.add(3.0, 3.0, 3.0, 3.0);
s1.add(2.0, 2.0, 2.0, 2.0);
assertEquals(3, s1.getItemCount());
s1.remove(new XYCoordinate(2.0, 2.0));
assertEquals(3.0, s1.getXValue(1), EPSILON);
s1.remove(new XYCoordinate(1.0, 1.0));
assertEquals(3.0, s1.getXValue(0), EPSILON);
}
private static final double EPSILON = 0.0000000001;
/**
* When items are added with duplicate x-values, we expect them to remain
* in the order they were added.
*/
@Test
public void testAdditionOfDuplicateXValues() {
VectorSeries s1 = new VectorSeries("Series 1");
s1.add(1.0, 1.0, 1.0, 1.0);
s1.add(2.0, 2.0, 2.0, 2.0);
s1.add(2.0, 2.0, 3.0, 3.0);
s1.add(2.0, 3.0, 4.0, 4.0);
s1.add(3.0, 5.0, 5.0, 5.0);
assertEquals(1.0, s1.getVectorXValue(0), EPSILON);
assertEquals(2.0, s1.getVectorXValue(1), EPSILON);
assertEquals(3.0, s1.getVectorXValue(2), EPSILON);
assertEquals(4.0, s1.getVectorXValue(3), EPSILON);
assertEquals(5.0, s1.getVectorXValue(4), EPSILON);
}
/**
* Some checks for the add() method for an UNSORTED series.
*/
@Test
public void testAdd() {
VectorSeries series = new VectorSeries("Series", false, true);
series.add(5.0, 5.50, 5.50, 5.50);
series.add(5.1, 5.51, 5.51, 5.51);
series.add(6.0, 6.6, 6.6, 6.6);
series.add(3.0, 3.3, 3.3, 3.3);
series.add(4.0, 4.4, 4.4, 4.4);
series.add(2.0, 2.2, 2.2, 2.2);
series.add(1.0, 1.1, 1.1, 1.1);
assertEquals(5.5, series.getVectorXValue(0), EPSILON);
assertEquals(5.51, series.getVectorXValue(1), EPSILON);
assertEquals(6.6, series.getVectorXValue(2), EPSILON);
assertEquals(3.3, series.getVectorXValue(3), EPSILON);
assertEquals(4.4, series.getVectorXValue(4), EPSILON);
assertEquals(2.2, series.getVectorXValue(5), EPSILON);
assertEquals(1.1, series.getVectorXValue(6), EPSILON);
}
/**
* A simple check that the maximumItemCount attribute is working.
*/
@Test
public void testSetMaximumItemCount() {
VectorSeries s1 = new VectorSeries("S1");
assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount());
s1.setMaximumItemCount(2);
assertEquals(2, s1.getMaximumItemCount());
s1.add(1.0, 1.1, 1.1, 1.1);
s1.add(2.0, 2.2, 2.2, 2.2);
s1.add(3.0, 3.3, 3.3, 3.3);
assertEquals(2.0, s1.getXValue(0), EPSILON);
assertEquals(3.0, s1.getXValue(1), EPSILON);
}
/**
* Check that the maximum item count can be applied retrospectively.
*/
@Test
public void testSetMaximumItemCount2() {
VectorSeries s1 = new VectorSeries("S1");
s1.add(1.0, 1.1, 1.1, 1.1);
s1.add(2.0, 2.2, 2.2, 2.2);
s1.add(3.0, 3.3, 3.3, 3.3);
s1.setMaximumItemCount(2);
assertEquals(2.0, s1.getXValue(0), EPSILON);
assertEquals(3.0, s1.getXValue(1), EPSILON);
}
/**
* Some checks for the clear() method.
*/
@Test
public void testClear() {
VectorSeries s1 = new VectorSeries("S1");
s1.addChangeListener(this);
s1.clear();
assertNull(this.lastEvent);
assertTrue(s1.isEmpty());
s1.add(1.0, 2.0, 3.0, 4.0);
assertFalse(s1.isEmpty());
s1.clear();
assertNotNull(this.lastEvent);
assertTrue(s1.isEmpty());
}
}