/* ===========================================================
* 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.]
*
* -------------------------
* MultiplePiePlotTests.java
* -------------------------
* (C) Copyright 2005-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 16-Jun-2005 : Version 1 (DG);
* 06-Apr-2006 : Added tests for new fields (DG);
* 18-Apr-2008 : Added testConstructor() (DG);
* 30-Dec-2008 : Updated for new legendItemShape field (DG);
* 01-Jun-2009 : Added test for getLegendItems() bug, series key is not
* set (DG);
*
*/
package org.jfree.chart.plot.junit;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.geom.Rectangle2D;
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 junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItem;
import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.event.PlotChangeEvent;
import org.jfree.chart.event.PlotChangeListener;
import org.jfree.chart.plot.MultiplePiePlot;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.util.TableOrder;
/**
* Some tests for the {@link MultiplePiePlot} class.
*/
public class MultiplePiePlotTests extends TestCase
implements PlotChangeListener {
/** The last event received. */
PlotChangeEvent lastEvent;
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(MultiplePiePlotTests.class);
}
/**
* Receives a plot change event and records it. Some tests will use this
* to check that events have been generated (or not) when required.
*
* @param event the event.
*/
public void plotChanged(PlotChangeEvent event) {
this.lastEvent = event;
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public MultiplePiePlotTests(String name) {
super(name);
}
/**
* Some checks for the constructors.
*/
public void testConstructor() {
MultiplePiePlot plot = new MultiplePiePlot();
assertNull(plot.getDataset());
// the following checks that the plot registers itself as a listener
// with the dataset passed to the constructor - see patch 1943021
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
plot = new MultiplePiePlot(dataset);
assertTrue(dataset.hasListener(plot));
}
/**
* Check that the equals() method distinguishes the required fields.
*/
public void testEquals() {
MultiplePiePlot p1 = new MultiplePiePlot();
MultiplePiePlot p2 = new MultiplePiePlot();
assertTrue(p1.equals(p2));
assertTrue(p2.equals(p1));
p1.setDataExtractOrder(TableOrder.BY_ROW);
assertFalse(p1.equals(p2));
p2.setDataExtractOrder(TableOrder.BY_ROW);
assertTrue(p1.equals(p2));
p1.setLimit(1.23);
assertFalse(p1.equals(p2));
p2.setLimit(1.23);
assertTrue(p1.equals(p2));
p1.setAggregatedItemsKey("Aggregated Items");
assertFalse(p1.equals(p2));
p2.setAggregatedItemsKey("Aggregated Items");
assertTrue(p1.equals(p2));
p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertFalse(p1.equals(p2));
p2.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.yellow));
assertTrue(p1.equals(p2));
p1.setPieChart(ChartFactory.createPieChart("Title", null, true, true,
true));
assertFalse(p1.equals(p2));
p2.setPieChart(ChartFactory.createPieChart("Title", null, true, true,
true));
assertTrue(p1.equals(p2));
p1.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
assertFalse(p1.equals(p2));
p2.setLegendItemShape(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
assertTrue(p1.equals(p2));
}
/**
* Some basic checks for the clone() method.
*/
public void testCloning() {
MultiplePiePlot p1 = new MultiplePiePlot();
Rectangle2D rect = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
p1.setLegendItemShape(rect);
MultiplePiePlot p2 = null;
try {
p2 = (MultiplePiePlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
// check independence
rect.setRect(2.0, 3.0, 4.0, 5.0);
assertFalse(p1.equals(p2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
MultiplePiePlot p1 = new MultiplePiePlot(null);
p1.setAggregatedItemsPaint(new GradientPaint(1.0f, 2.0f, Color.yellow,
3.0f, 4.0f, Color.red));
MultiplePiePlot p2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(p1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
p2 = (MultiplePiePlot) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(p1, p2);
}
/**
* Fetches the legend items and checks the values.
*/
public void testGetLegendItems() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(35.0, "S1", "C1");
dataset.addValue(45.0, "S1", "C2");
dataset.addValue(55.0, "S2", "C1");
dataset.addValue(15.0, "S2", "C2");
MultiplePiePlot plot = new MultiplePiePlot(dataset);
JFreeChart chart = new JFreeChart(plot);
LegendItemCollection legendItems = plot.getLegendItems();
assertEquals(2, legendItems.getItemCount());
LegendItem item1 = legendItems.get(0);
assertEquals("S1", item1.getLabel());
assertEquals("S1", item1.getSeriesKey());
assertEquals(0, item1.getSeriesIndex());
assertEquals(dataset, item1.getDataset());
assertEquals(0, item1.getDatasetIndex());
LegendItem item2 = legendItems.get(1);
assertEquals("S2", item2.getLabel());
assertEquals("S2", item2.getSeriesKey());
assertEquals(1, item2.getSeriesIndex());
assertEquals(dataset, item2.getDataset());
assertEquals(0, item2.getDatasetIndex());
}
}