/* ===========================================================
* 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.]
*
* --------------------------------
* StatisticalBarRendererTests.java
* --------------------------------
* (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 25-Mar-2003 : Version 1 (DG);
* 28-Aug-2007 : Added tests for bug 1779941 (DG);
* 14-Nov-2007 : Updated testEquals() (DG);
* 23-Apr-2008 : Added testPublicCloneable() (DG);
* 16-May-2009 : Added testFindRangeBounds (DG);
*
*/
package org.jfree.chart.renderer.category;
import org.jfree.chart.JFreeChart;
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.util.PublicCloneable;
import org.jfree.data.Range;
import org.jfree.data.statistics.DefaultStatisticalCategoryDataset;
import org.junit.Test;
import java.awt.BasicStroke;
import java.awt.Color;
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.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link StatisticalBarRenderer} class.
*/
public class StatisticalBarRendererTest {
/**
* Check that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
StatisticalBarRenderer r1 = new StatisticalBarRenderer();
StatisticalBarRenderer r2 = new StatisticalBarRenderer();
assertEquals(r1, r2);
r1.setErrorIndicatorPaint(Color.RED);
assertFalse(r1.equals(r2));
r2.setErrorIndicatorPaint(Color.RED);
assertEquals(r2, r1);
r1.setErrorIndicatorStroke(new BasicStroke(1.5f));
assertFalse(r1.equals(r2));
r2.setErrorIndicatorStroke(new BasicStroke(1.5f));
assertEquals(r2, r1);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
StatisticalBarRenderer r1 = new StatisticalBarRenderer();
StatisticalBarRenderer r2 = new StatisticalBarRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
StatisticalBarRenderer r1 = new StatisticalBarRenderer();
StatisticalBarRenderer r2 = (StatisticalBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
}
/**
* Check that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
StatisticalBarRenderer r1 = new StatisticalBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
StatisticalBarRenderer r1 = new StatisticalBarRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
StatisticalBarRenderer r2 = (StatisticalBarRenderer) in.readObject();
in.close();
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).
*/
@Test
public void testDrawWithNullInfo() {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(3.0, 4.0, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Draws the chart with a <code>null</code> mean value to make sure that
* no exceptions are thrown (particularly by code in the renderer). See
* bug report 1779941.
*/
@Test
public void testDrawWithNullMeanVertical() {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(null, 4.0, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Draws the chart with a <code>null</code> mean value to make sure that
* no exceptions are thrown (particularly by code in the renderer). See
* bug report 1779941.
*/
@Test
public void testDrawWithNullMeanHorizontal() {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(null, 4.0, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Draws the chart with a <code>null</code> standard deviation to make sure
* that no exceptions are thrown (particularly by code in the renderer).
* See bug report 1779941.
*/
@Test
public void testDrawWithNullDeviationVertical() {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(4.0, null, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Draws the chart with a <code>null</code> standard deviation to make sure
* that no exceptions are thrown (particularly by code in the renderer).
* See bug report 1779941.
*/
@Test
public void testDrawWithNullDeviationHorizontal() {
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
dataset.add(1.0, 2.0, "S1", "C1");
dataset.add(4.0, null, "S1", "C2");
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
new StatisticalBarRenderer());
plot.setOrientation(PlotOrientation.HORIZONTAL);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Some checks for the findRangeBounds() method.
*/
@Test
public void testFindRangeBounds() {
StatisticalBarRenderer r = new StatisticalBarRenderer();
assertNull(r.findRangeBounds(null));
// an empty dataset should return a null range
DefaultStatisticalCategoryDataset dataset
= new DefaultStatisticalCategoryDataset();
assertNull(r.findRangeBounds(dataset));
dataset.add(1.0, 0.5, "R1", "C1");
assertEquals(new Range(0.0, 1.5), r.findRangeBounds(dataset));
r.setIncludeBaseInRange(false);
assertEquals(new Range(0.5, 1.5), r.findRangeBounds(dataset));
r.setIncludeBaseInRange(true);
dataset.add(-2.0, 0.2, "R1", "C2");
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
dataset.add(null, null, "R1", "C3");
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
dataset.add(5.0, 1.0, "R2", "C3");
assertEquals(new Range(-2.2, 6.0), r.findRangeBounds(dataset));
// check that the series visible flag is observed
r.setSeriesVisible(1, Boolean.FALSE);
assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset));
}
}