/* ===========================================================
* 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.]
*
* ---------------------------------------------
* DefaultBoxAndWhiskerCategoryDatasetTests.java
* ---------------------------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 01-Mar-2004 : Version 1 (DG);
* 17-Apr-2007 : Added a test for bug 1701822 (DG);
* 28-Sep-2007 : Enhanced testClone() (DG);
* 02-Oct-2007 : Added new tests (DG);
* 03-Oct-2007 : Added getTestRangeBounds() and testRemove() (DG);
*
*/
package org.jfree.data.statistics;
import org.jfree.data.Range;
import org.jfree.data.UnknownKeyException;
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 java.util.ArrayList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Tests for the {@link DefaultBoxAndWhiskerCategoryDataset} class.
*/
public class DefaultBoxAndWhiskerCategoryDatasetTest {
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
DefaultBoxAndWhiskerCategoryDataset d1
= new DefaultBoxAndWhiskerCategoryDataset();
d1.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, 8.0,
new ArrayList()), "ROW1", "COLUMN1");
DefaultBoxAndWhiskerCategoryDataset d2
= new DefaultBoxAndWhiskerCategoryDataset();
d2.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, 8.0,
new ArrayList()), "ROW1", "COLUMN1");
assertEquals(d1, d2);
assertEquals(d2, d1);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultBoxAndWhiskerCategoryDataset d1
= new DefaultBoxAndWhiskerCategoryDataset();
d1.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, 8.0,
new ArrayList()), "ROW1", "COLUMN1");
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
DefaultBoxAndWhiskerCategoryDataset d2 = (DefaultBoxAndWhiskerCategoryDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultBoxAndWhiskerCategoryDataset d1
= new DefaultBoxAndWhiskerCategoryDataset();
d1.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, 8.0,
new ArrayList()), "ROW1", "COLUMN1");
DefaultBoxAndWhiskerCategoryDataset d2 = (DefaultBoxAndWhiskerCategoryDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// test independence
d1.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, 8.0,
new ArrayList()), "ROW2", "COLUMN1");
assertFalse(d1.equals(d2));
}
/**
* A simple test for bug report 1701822.
*/
@Test
public void test1701822() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, null, 8.0,
new ArrayList()), "ROW1", "COLUMN1");
dataset.add(new BoxAndWhiskerItem(1.0, 2.0,
3.0, 4.0, 5.0,
6.0, 7.0, null,
new ArrayList()), "ROW1", "COLUMN2");
}
private static final double EPSILON = 0.0000000001;
/**
* Some checks for the add() method.
*/
@Test
public void testAdd() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
BoxAndWhiskerItem item1 = new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0,
5.0, 6.0, 7.0, 8.0, new ArrayList());
dataset.add(item1, "R1", "C1");
assertEquals(2.0, dataset.getValue("R1", "C1").doubleValue(), EPSILON);
assertEquals(1.0, dataset.getMeanValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(2.0, dataset.getMedianValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(3.0, dataset.getQ1Value("R1", "C1").doubleValue(),
EPSILON);
assertEquals(4.0, dataset.getQ3Value("R1", "C1").doubleValue(),
EPSILON);
assertEquals(5.0, dataset.getMinRegularValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(6.0, dataset.getMaxRegularValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(7.0, dataset.getMinOutlier("R1", "C1").doubleValue(),
EPSILON);
assertEquals(8.0, dataset.getMaxOutlier("R1", "C1").doubleValue(),
EPSILON);
assertEquals(new Range(7.0, 8.0), dataset.getRangeBounds(false));
}
/**
* Some checks for the add() method.
*/
@Test
public void testAddUpdatesCachedRange() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
BoxAndWhiskerItem item1 = new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0,
5.0, 6.0, 7.0, 8.0, new ArrayList());
dataset.add(item1, "R1", "C1");
// now overwrite this item with another
BoxAndWhiskerItem item2 = new BoxAndWhiskerItem(1.5, 2.5, 3.5, 4.5,
5.5, 6.5, 7.5, 8.5, new ArrayList());
dataset.add(item2, "R1", "C1");
assertEquals(2.5, dataset.getValue("R1", "C1").doubleValue(), EPSILON);
assertEquals(1.5, dataset.getMeanValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(2.5, dataset.getMedianValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(3.5, dataset.getQ1Value("R1", "C1").doubleValue(),
EPSILON);
assertEquals(4.5, dataset.getQ3Value("R1", "C1").doubleValue(),
EPSILON);
assertEquals(5.5, dataset.getMinRegularValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(6.5, dataset.getMaxRegularValue("R1", "C1").doubleValue(),
EPSILON);
assertEquals(7.5, dataset.getMinOutlier("R1", "C1").doubleValue(),
EPSILON);
assertEquals(8.5, dataset.getMaxOutlier("R1", "C1").doubleValue(),
EPSILON);
assertEquals(new Range(7.5, 8.5), dataset.getRangeBounds(false));
}
/**
* Some basic checks for the constructor.
*/
@Test
public void testConstructor() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
assertEquals(0, dataset.getColumnCount());
assertEquals(0, dataset.getRowCount());
assertTrue(Double.isNaN(dataset.getRangeLowerBound(false)));
assertTrue(Double.isNaN(dataset.getRangeUpperBound(false)));
}
/**
* Some checks for the getRangeBounds() method.
*/
@Test
public void testGetRangeBounds() {
DefaultBoxAndWhiskerCategoryDataset d1
= new DefaultBoxAndWhiskerCategoryDataset();
d1.add(new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
new ArrayList()), "R1", "C1");
assertEquals(new Range(7.0, 8.0), d1.getRangeBounds(false));
assertEquals(new Range(7.0, 8.0), d1.getRangeBounds(true));
d1.add(new BoxAndWhiskerItem(1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5,
new ArrayList()), "R1", "C1");
assertEquals(new Range(7.5, 8.5), d1.getRangeBounds(false));
assertEquals(new Range(7.5, 8.5), d1.getRangeBounds(true));
d1.add(new BoxAndWhiskerItem(2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5,
new ArrayList()), "R2", "C1");
assertEquals(new Range(7.5, 9.5), d1.getRangeBounds(false));
assertEquals(new Range(7.5, 9.5), d1.getRangeBounds(true));
// this replaces the entry with the current minimum value, but the new
// minimum value is now in a different item
d1.add(new BoxAndWhiskerItem(1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 8.6, 9.6,
new ArrayList()), "R1", "C1");
assertEquals(new Range(8.5, 9.6), d1.getRangeBounds(false));
assertEquals(new Range(8.5, 9.6), d1.getRangeBounds(true));
}
/**
* Some checks for the remove method.
*/
@Test
public void testRemove() {
DefaultBoxAndWhiskerCategoryDataset data
= new DefaultBoxAndWhiskerCategoryDataset();
try {
data.remove("R1", "R2");
fail("UnknownKeyException should have been thrown on negative key");
}
catch (UnknownKeyException e) {
assertEquals("Row key (R1) not recognised.", e.getMessage());
}
data.add(new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0,
new ArrayList()), "R1", "C1");
assertEquals(new Range(7.0, 8.0), data.getRangeBounds(false));
assertEquals(new Range(7.0, 8.0), data.getRangeBounds(true));
data.add(new BoxAndWhiskerItem(2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5,
new ArrayList()), "R2", "C1");
assertEquals(new Range(7.0, 9.5), data.getRangeBounds(false));
assertEquals(new Range(7.0, 9.5), data.getRangeBounds(true));
data.remove("R1", "C1");
assertEquals(new Range(8.5, 9.5), data.getRangeBounds(false));
assertEquals(new Range(8.5, 9.5), data.getRangeBounds(true));
}
}