/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.]
*
* -------------------------------
* BoxAndWhiskerRendererTests.java
* -------------------------------
* (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 22-Oct-2003 : Version 1 (DG);
* 23-Apr-2004 : Extended testEquals() method (DG);
* 12-Oct-2006 : Added new checks for bug 1572478 (DG);
* 11-May-2007 : Added testGetLegendItem() (DG);
* 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG);
* 08-Oct-2007 : Added tests for null items in dataset (DG);
* 15-Jan-2008 : Updated testEquals() (DG);
* 23-Apr-2008 : Added testPublicCloneable() (DG);
* 21-Jan-2009 : Updated testEquals() for new fields (DG);
*
*/
package org.jfree.chart.renderer.category.junit;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
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 java.util.ArrayList;
import java.util.List;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.ChartRenderingInfo;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItem;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.BoxAndWhiskerRenderer;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.data.statistics.BoxAndWhiskerItem;
import org.jfree.data.statistics.DefaultBoxAndWhiskerCategoryDataset;
import org.jfree.util.PublicCloneable;
/**
* Tests for the {@link BoxAndWhiskerRenderer} class.
*/
public class BoxAndWhiskerRendererTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(BoxAndWhiskerRendererTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public BoxAndWhiskerRendererTests(String name) {
super(name);
}
/**
* Test that the equals() method distinguishes all fields.
*/
public void testEquals() {
BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
BoxAndWhiskerRenderer r2 = new BoxAndWhiskerRenderer();
assertEquals(r1, r2);
r1.setArtifactPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
3.0f, 4.0f, Color.blue));
assertFalse(r1.equals(r2));
r2.setArtifactPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
3.0f, 4.0f, Color.blue));
assertEquals(r1, r2);
r1.setFillBox(!r1.getFillBox());
assertFalse(r1.equals(r2));
r2.setFillBox(!r2.getFillBox());
assertEquals(r1, r2);
r1.setItemMargin(0.11);
assertFalse(r1.equals(r2));
r2.setItemMargin(0.11);
assertEquals(r1, r2);
r1.setMaximumBarWidth(0.99);
assertFalse(r1.equals(r2));
r2.setMaximumBarWidth(0.99);
assertTrue(r1.equals(r2));
r1.setMeanVisible(false);
assertFalse(r1.equals(r2));
r2.setMeanVisible(false);
assertTrue(r1.equals(r2));
r1.setMedianVisible(false);
assertFalse(r1.equals(r2));
r2.setMedianVisible(false);
assertTrue(r1.equals(r2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
BoxAndWhiskerRenderer r2 = new BoxAndWhiskerRenderer();
assertTrue(r1.equals(r2));
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
BoxAndWhiskerRenderer r2 = null;
try {
r2 = (BoxAndWhiskerRenderer) r1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}
/**
* Check that this class implements PublicCloneable.
*/
public void testPublicCloneable() {
BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
BoxAndWhiskerRenderer r1 = new BoxAndWhiskerRenderer();
BoxAndWhiskerRenderer r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
r2 = (BoxAndWhiskerRenderer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
public void testDrawWithNullInfo() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(0.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
success = true;
}
catch (NullPointerException e) {
success = false;
}
assertTrue(success);
}
/**
* A check for bug 1572478 (for the vertical orientation).
*/
public void testBug1572478Vertical() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset() {
public Number getQ1Value(int row, int column) {
return null;
}
public Number getQ1Value(Comparable rowKey, Comparable columnKey) {
return null;
}
};
List values = new ArrayList();
values.add(new Double(1.0));
values.add(new Double(10.0));
values.add(new Double(100.0));
dataset.add(values, "row", "column");
CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("x"),
new NumberAxis("y"), new BoxAndWhiskerRenderer());
JFreeChart chart = new JFreeChart(plot);
boolean success = false;
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null,
new ChartRenderingInfo());
g2.dispose();
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* A check for bug 1572478 (for the horizontal orientation).
*/
public void testBug1572478Horizontal() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset() {
public Number getQ1Value(int row, int column) {
return null;
}
public Number getQ1Value(Comparable rowKey, Comparable columnKey) {
return null;
}
};
List values = new ArrayList();
values.add(new Double(1.0));
values.add(new Double(10.0));
values.add(new Double(100.0));
dataset.add(values, "row", "column");
CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("x"),
new NumberAxis("y"), new BoxAndWhiskerRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
boolean success = false;
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null,
new ChartRenderingInfo());
g2.dispose();
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Some checks for the getLegendItem() method.
*/
public void testGetLegendItem() {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
List values = new ArrayList();
values.add(new Double(1.10));
values.add(new Double(1.45));
values.add(new Double(1.33));
values.add(new Double(1.23));
dataset.add(values, "R1", "C1");
BoxAndWhiskerRenderer r = new BoxAndWhiskerRenderer();
CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("x"),
new NumberAxis("y"), r);
/*JFreeChart chart =*/ new JFreeChart(plot);
LegendItem li = r.getLegendItem(0, 0);
assertNotNull(li);
r.setSeriesVisibleInLegend(0, Boolean.FALSE);
li = r.getLegendItem(0, 0);
assertNull(li);
}
/**
* A check for the datasetIndex and seriesIndex fields in the LegendItem
* returned by the getLegendItem() method.
*/
public void testGetLegendItemSeriesIndex() {
DefaultCategoryDataset dataset0 = new DefaultCategoryDataset();
dataset0.addValue(21.0, "R1", "C1");
dataset0.addValue(22.0, "R2", "C1");
DefaultCategoryDataset dataset1 = new DefaultCategoryDataset();
dataset1.addValue(23.0, "R3", "C1");
dataset1.addValue(24.0, "R4", "C1");
dataset1.addValue(25.0, "R5", "C1");
BoxAndWhiskerRenderer r = new BoxAndWhiskerRenderer();
CategoryPlot plot = new CategoryPlot(dataset0, new CategoryAxis("x"),
new NumberAxis("y"), r);
plot.setDataset(1, dataset1);
/*JFreeChart chart =*/ new JFreeChart(plot);
LegendItem li = r.getLegendItem(1, 2);
assertEquals("R5", li.getLabel());
assertEquals(1, li.getDatasetIndex());
assertEquals(2, li.getSeriesIndex());
}
/**
* Draws a chart where the dataset contains a null mean value.
*/
public void testDrawWithNullMean() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(null, new Double(2.0),
new Double(0.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null median value.
*/
public void testDrawWithNullMedian() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), null,
new Double(0.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null Q1 value.
*/
public void testDrawWithNullQ1() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
null, new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null Q3 value.
*/
public void testDrawWithNullQ3() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), null, new Double(0.5),
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null min regular value.
*/
public void testDrawWithNullMinRegular() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), null,
new Double(4.5), new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null max regular value.
*/
public void testDrawWithNullMaxRegular() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), new Double(0.5),
null, new Double(-0.5), new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null min outlier value.
*/
public void testDrawWithNullMinOutlier() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), new Double(0.5),
new Double(4.5), null, new Double(5.5),
null), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
/**
* Draws a chart where the dataset contains a null max outlier value.
*/
public void testDrawWithNullMaxOutlier() {
boolean success = false;
try {
DefaultBoxAndWhiskerCategoryDataset dataset
= new DefaultBoxAndWhiskerCategoryDataset();
dataset.add(new BoxAndWhiskerItem(new Double(1.0), new Double(2.0),
new Double(3.0), new Double(4.0), new Double(0.5),
new Double(4.5), new Double(-0.5), null,
new java.util.ArrayList()), "S1", "C1");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new BoxAndWhiskerRenderer());
ChartRenderingInfo info = new ChartRenderingInfo();
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
info);
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
}