/* ===========================================================
* 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.]
*
* --------------------
* ChartPanelTests.java
* --------------------
* (C) Copyright 2004-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 13-Jul-2004 : Version 1 (DG);
* 12-Jan-2009 : Added test2502355() (DG);
* 08-Jun-2009 : Added testSetMouseWheelEnabled() (DG);
*/
package org.jfree.chart.junit;
import java.awt.geom.Rectangle2D;
import java.util.EventListener;
import java.util.List;
import javax.swing.event.CaretListener;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.ChartMouseEvent;
import org.jfree.chart.ChartMouseListener;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.event.ChartChangeEvent;
import org.jfree.chart.event.ChartChangeListener;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.xy.DefaultXYDataset;
/**
* Tests for the {@link ChartPanel} class.
*/
public class ChartPanelTests extends TestCase
implements ChartChangeListener, ChartMouseListener {
private List chartChangeEvents = new java.util.ArrayList();
/**
* Receives a chart change event and stores it in a list for later
* inspection.
*
* @param event the event.
*/
public void chartChanged(ChartChangeEvent event) {
this.chartChangeEvents.add(event);
}
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(ChartPanelTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public ChartPanelTests(String name) {
super(name);
}
/**
* Test that the constructor will accept a null chart.
*/
public void testConstructor1() {
ChartPanel panel = new ChartPanel(null);
assertEquals(null, panel.getChart());
}
/**
* Test that it is possible to set the panel's chart to null.
*/
public void testSetChart() {
JFreeChart chart = new JFreeChart(new XYPlot());
ChartPanel panel = new ChartPanel(chart);
panel.setChart(null);
assertEquals(null, panel.getChart());
}
/**
* Check the behaviour of the getListeners() method.
*/
public void testGetListeners() {
ChartPanel p = new ChartPanel(null);
p.addChartMouseListener(this);
EventListener[] listeners = p.getListeners(ChartMouseListener.class);
assertEquals(1, listeners.length);
assertEquals(this, listeners[0]);
// try a listener type that isn't registered
listeners = p.getListeners(CaretListener.class);
assertEquals(0, listeners.length);
p.removeChartMouseListener(this);
listeners = p.getListeners(ChartMouseListener.class);
assertEquals(0, listeners.length);
// try a null argument
boolean pass = false;
try {
listeners = p.getListeners((Class) null);
}
catch (NullPointerException e) {
pass = true;
}
assertTrue(pass);
// try a class that isn't a listener
pass = false;
try {
listeners = p.getListeners(Integer.class);
}
catch (ClassCastException e) {
pass = true;
}
assertTrue(pass);
}
/**
* Ignores a mouse click event.
*
* @param event the event.
*/
public void chartMouseClicked(ChartMouseEvent event) {
// ignore
}
/**
* Ignores a mouse move event.
*
* @param event the event.
*/
public void chartMouseMoved(ChartMouseEvent event) {
// ignore
}
/**
* Checks that a call to the zoom() method generates just one
* ChartChangeEvent.
*/
public void test2502355_zoom() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoom(new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0));
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomInBoth() method generates just one
* ChartChangeEvent.
*/
public void test2502355_zoomInBoth() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomInBoth(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomOutBoth() method generates just one
* ChartChangeEvent.
*/
public void test2502355_zoomOutBoth() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomOutBoth(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the restoreAutoBounds() method generates just one
* ChartChangeEvent.
*/
public void test2502355_restoreAutoBounds() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.restoreAutoBounds();
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomInDomain() method, for a plot with more
* than one domain axis, generates just one ChartChangeEvent.
*/
public void test2502355_zoomInDomain() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setDomainAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomInDomain(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomInRange() method, for a plot with more
* than one range axis, generates just one ChartChangeEvent.
*/
public void test2502355_zoomInRange() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRangeAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomInRange(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomOutDomain() method, for a plot with more
* than one domain axis, generates just one ChartChangeEvent.
*/
public void test2502355_zoomOutDomain() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setDomainAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomOutDomain(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the zoomOutRange() method, for a plot with more
* than one range axis, generates just one ChartChangeEvent.
*/
public void test2502355_zoomOutRange() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRangeAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.zoomOutRange(1.0, 2.0);
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the restoreAutoDomainBounds() method, for a plot
* with more than one range axis, generates just one ChartChangeEvent.
*/
public void test2502355_restoreAutoDomainBounds() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setDomainAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.restoreAutoDomainBounds();
assertEquals(1, this.chartChangeEvents.size());
}
/**
* Checks that a call to the restoreAutoRangeBounds() method, for a plot
* with more than one range axis, generates just one ChartChangeEvent.
*/
public void test2502355_restoreAutoRangeBounds() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRangeAxis(1, new NumberAxis("X2"));
ChartPanel panel = new ChartPanel(chart);
chart.addChangeListener(this);
this.chartChangeEvents.clear();
panel.restoreAutoRangeBounds();
assertEquals(1, this.chartChangeEvents.size());
}
/**
* In version 1.0.13 there is a bug where enabling the mouse wheel handler
* twice would in fact disable it.
*/
public void testSetMouseWheelEnabled() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("TestChart", "X",
"Y", dataset, PlotOrientation.VERTICAL, false, false, false);
ChartPanel panel = new ChartPanel(chart);
panel.setMouseWheelEnabled(true);
assertTrue(panel.isMouseWheelEnabled());
panel.setMouseWheelEnabled(true);
assertTrue(panel.isMouseWheelEnabled());
panel.setMouseWheelEnabled(false);
assertFalse(panel.isMouseWheelEnabled());
}
}