jfreechart example source code file (XYPlotTests.java)
The jfreechart XYPlotTests.java source code
/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2009, 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------
* XYPlotTests.java
* ----------------
* (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 26-Mar-2003 : Version 1 (DG);
* 22-Mar-2004 : Added new cloning test (DG);
* 05-Oct-2004 : Strengthened test for clone independence (DG);
* 22-Nov-2006 : Added quadrant fields to equals() and clone() tests (DG);
* 09-Jan-2007 : Mark and comment out testGetDatasetCount() (DG);
* 05-Feb-2007 : Added testAddDomainMarker() and testAddRangeMarker() (DG);
* 07-Feb-2007 : Added test1654215() (DG);
* 24-May-2007 : Added testDrawSeriesWithZeroItems() (DG);
* 07-Apr-2008 : Added testRemoveDomainMarker() and
* testRemoveRangeMarker() (DG);
*
*/
package org.jfree.chart.plot.junit;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Stroke;
import java.awt.geom.Point2D;
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.Arrays;
import java.util.List;
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.LegendItemCollection;
import org.jfree.chart.annotations.XYTextAnnotation;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.DateAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.event.MarkerChangeListener;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.IntervalMarker;
import org.jfree.chart.plot.Marker;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.DefaultXYItemRenderer;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYBarRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
import org.jfree.data.time.Day;
import org.jfree.data.time.TimeSeries;
import org.jfree.data.time.TimeSeriesCollection;
import org.jfree.data.xy.DefaultXYDataset;
import org.jfree.data.xy.IntervalXYDataset;
import org.jfree.data.xy.XYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.jfree.date.MonthConstants;
import org.jfree.ui.Layer;
import org.jfree.ui.RectangleInsets;
/**
* Tests for the {@link XYPlot} class.
*/
public class XYPlotTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(XYPlotTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public XYPlotTests(String name) {
super(name);
}
// FIXME: the getDatasetCount() method is returning a count of the slots
// available for datasets, rather than the number of datasets actually
// specified...see if there is some way to clean this up.
// /**
// * Added this test in response to a bug report.
// */
// public void testGetDatasetCount() {
// XYPlot plot = new XYPlot();
// assertEquals(0, plot.getDatasetCount());
// }
/**
* Some checks for the equals() method.
*/
public void testEquals() {
XYPlot plot1 = new XYPlot();
XYPlot plot2 = new XYPlot();
assertTrue(plot1.equals(plot2));
// orientation...
plot1.setOrientation(PlotOrientation.HORIZONTAL);
assertFalse(plot1.equals(plot2));
plot2.setOrientation(PlotOrientation.HORIZONTAL);
assertTrue(plot1.equals(plot2));
// axisOffset...
plot1.setAxisOffset(new RectangleInsets(0.05, 0.05, 0.05, 0.05));
assertFalse(plot1.equals(plot2));
plot2.setAxisOffset(new RectangleInsets(0.05, 0.05, 0.05, 0.05));
assertTrue(plot1.equals(plot2));
// domainAxis...
plot1.setDomainAxis(new NumberAxis("Domain Axis"));
assertFalse(plot1.equals(plot2));
plot2.setDomainAxis(new NumberAxis("Domain Axis"));
assertTrue(plot1.equals(plot2));
// domainAxisLocation...
plot1.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// secondary DomainAxes...
plot1.setDomainAxis(11, new NumberAxis("Secondary Domain Axis"));
assertFalse(plot1.equals(plot2));
plot2.setDomainAxis(11, new NumberAxis("Secondary Domain Axis"));
assertTrue(plot1.equals(plot2));
// secondary DomainAxisLocations...
plot1.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// rangeAxis...
plot1.setRangeAxis(new NumberAxis("Range Axis"));
assertFalse(plot1.equals(plot2));
plot2.setRangeAxis(new NumberAxis("Range Axis"));
assertTrue(plot1.equals(plot2));
// rangeAxisLocation...
plot1.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// secondary RangeAxes...
plot1.setRangeAxis(11, new NumberAxis("Secondary Range Axis"));
assertFalse(plot1.equals(plot2));
plot2.setRangeAxis(11, new NumberAxis("Secondary Range Axis"));
assertTrue(plot1.equals(plot2));
// secondary RangeAxisLocations...
plot1.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// secondary DatasetDomainAxisMap...
plot1.mapDatasetToDomainAxis(11, 11);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToDomainAxis(11, 11);
assertTrue(plot1.equals(plot2));
// secondaryDatasetRangeAxisMap...
plot1.mapDatasetToRangeAxis(11, 11);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToRangeAxis(11, 11);
assertTrue(plot1.equals(plot2));
// renderer
plot1.setRenderer(new DefaultXYItemRenderer());
assertFalse(plot1.equals(plot2));
plot2.setRenderer(new DefaultXYItemRenderer());
assertTrue(plot1.equals(plot2));
// secondary renderers
plot1.setRenderer(11, new DefaultXYItemRenderer());
assertFalse(plot1.equals(plot2));
plot2.setRenderer(11, new DefaultXYItemRenderer());
assertTrue(plot1.equals(plot2));
// domainGridlinesVisible
plot1.setDomainGridlinesVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlinesVisible(false);
assertTrue(plot1.equals(plot2));
// domainGridlineStroke
Stroke stroke = new BasicStroke(2.0f);
plot1.setDomainGridlineStroke(stroke);
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlineStroke(stroke);
assertTrue(plot1.equals(plot2));
// domainGridlinePaint
plot1.setDomainGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
3.0f, 4.0f, Color.red));
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
3.0f, 4.0f, Color.red));
assertTrue(plot1.equals(plot2));
// rangeGridlinesVisible
plot1.setRangeGridlinesVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setRangeGridlinesVisible(false);
assertTrue(plot1.equals(plot2));
// rangeGridlineStroke
plot1.setRangeGridlineStroke(stroke);
assertFalse(plot1.equals(plot2));
plot2.setRangeGridlineStroke(stroke);
assertTrue(plot1.equals(plot2));
// rangeGridlinePaint
plot1.setRangeGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.red));
assertFalse(plot1.equals(plot2));
plot2.setRangeGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.green,
3.0f, 4.0f, Color.red));
assertTrue(plot1.equals(plot2));
// rangeZeroBaselineVisible
plot1.setRangeZeroBaselineVisible(true);
assertFalse(plot1.equals(plot2));
plot2.setRangeZeroBaselineVisible(true);
assertTrue(plot1.equals(plot2));
// rangeZeroBaselineStroke
plot1.setRangeZeroBaselineStroke(stroke);
assertFalse(plot1.equals(plot2));
plot2.setRangeZeroBaselineStroke(stroke);
assertTrue(plot1.equals(plot2));
// rangeZeroBaselinePaint
plot1.setRangeZeroBaselinePaint(new GradientPaint(1.0f, 2.0f, Color.white,
3.0f, 4.0f, Color.red));
assertFalse(plot1.equals(plot2));
plot2.setRangeZeroBaselinePaint(new GradientPaint(1.0f, 2.0f, Color.white,
3.0f, 4.0f, Color.red));
assertTrue(plot1.equals(plot2));
// rangeCrosshairVisible
plot1.setRangeCrosshairVisible(true);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairVisible(true);
assertTrue(plot1.equals(plot2));
// rangeCrosshairValue
plot1.setRangeCrosshairValue(100.0);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairValue(100.0);
assertTrue(plot1.equals(plot2));
// rangeCrosshairStroke
plot1.setRangeCrosshairStroke(stroke);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairStroke(stroke);
assertTrue(plot1.equals(plot2));
// rangeCrosshairPaint
plot1.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.pink,
3.0f, 4.0f, Color.red));
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.pink,
3.0f, 4.0f, Color.red));
assertTrue(plot1.equals(plot2));
// rangeCrosshairLockedOnData
plot1.setRangeCrosshairLockedOnData(false);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairLockedOnData(false);
assertTrue(plot1.equals(plot2));
// range markers
plot1.addRangeMarker(new ValueMarker(4.0));
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(new ValueMarker(4.0));
assertTrue(plot1.equals(plot2));
// secondary range markers
plot1.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND);
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(1, new ValueMarker(4.0), Layer.FOREGROUND);
assertTrue(plot1.equals(plot2));
plot1.addRangeMarker(1, new ValueMarker(99.0), Layer.BACKGROUND);
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(1, new ValueMarker(99.0), Layer.BACKGROUND);
assertTrue(plot1.equals(plot2));
// weight
plot1.setWeight(3);
assertFalse(plot1.equals(plot2));
plot2.setWeight(3);
assertTrue(plot1.equals(plot2));
// quadrant origin
plot1.setQuadrantOrigin(new Point2D.Double(12.3, 45.6));
assertFalse(plot1.equals(plot2));
plot2.setQuadrantOrigin(new Point2D.Double(12.3, 45.6));
assertTrue(plot1.equals(plot2));
// quadrant paint
plot1.setQuadrantPaint(0, new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue));
assertFalse(plot1.equals(plot2));
plot2.setQuadrantPaint(0, new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue));
assertTrue(plot1.equals(plot2));
plot1.setQuadrantPaint(1, new GradientPaint(2.0f, 3.0f, Color.red,
4.0f, 5.0f, Color.blue));
assertFalse(plot1.equals(plot2));
plot2.setQuadrantPaint(1, new GradientPaint(2.0f, 3.0f, Color.red,
4.0f, 5.0f, Color.blue));
assertTrue(plot1.equals(plot2));
plot1.setQuadrantPaint(2, new GradientPaint(3.0f, 4.0f, Color.red,
5.0f, 6.0f, Color.blue));
assertFalse(plot1.equals(plot2));
plot2.setQuadrantPaint(2, new GradientPaint(3.0f, 4.0f, Color.red,
5.0f, 6.0f, Color.blue));
assertTrue(plot1.equals(plot2));
plot1.setQuadrantPaint(3, new GradientPaint(4.0f, 5.0f, Color.red,
6.0f, 7.0f, Color.blue));
assertFalse(plot1.equals(plot2));
plot2.setQuadrantPaint(3, new GradientPaint(4.0f, 5.0f, Color.red,
6.0f, 7.0f, Color.blue));
assertTrue(plot1.equals(plot2));
plot1.setDomainTickBandPaint(Color.red);
assertFalse(plot1.equals(plot2));
plot2.setDomainTickBandPaint(Color.red);
assertTrue(plot1.equals(plot2));
plot1.setRangeTickBandPaint(Color.blue);
assertFalse(plot1.equals(plot2));
plot2.setRangeTickBandPaint(Color.blue);
assertTrue(plot1.equals(plot2));
plot1.setDomainMinorGridlinesVisible(true);
assertFalse(plot1.equals(plot2));
plot2.setDomainMinorGridlinesVisible(true);
assertTrue(plot1.equals(plot2));
plot1.setDomainMinorGridlinePaint(Color.red);
assertFalse(plot1.equals(plot2));
plot2.setDomainMinorGridlinePaint(Color.red);
assertTrue(plot1.equals(plot2));
plot1.setDomainGridlineStroke(new BasicStroke(1.1f));
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlineStroke(new BasicStroke(1.1f));
assertTrue(plot1.equals(plot2));
plot1.setRangeMinorGridlinesVisible(true);
assertFalse(plot1.equals(plot2));
plot2.setRangeMinorGridlinesVisible(true);
assertTrue(plot1.equals(plot2));
plot1.setRangeMinorGridlinePaint(Color.blue);
assertFalse(plot1.equals(plot2));
plot2.setRangeMinorGridlinePaint(Color.blue);
assertTrue(plot1.equals(plot2));
plot1.setRangeMinorGridlineStroke(new BasicStroke(1.23f));
assertFalse(plot1.equals(plot2));
plot2.setRangeMinorGridlineStroke(new BasicStroke(1.23f));
assertTrue(plot1.equals(plot2));
List axisIndices = Arrays.asList(new Integer[] {new Integer(0),
new Integer(1)});
plot1.mapDatasetToDomainAxes(0, axisIndices);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToDomainAxes(0, axisIndices);
assertTrue(plot1.equals(plot2));
plot1.mapDatasetToRangeAxes(0, axisIndices);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToRangeAxes(0, axisIndices);
assertTrue(plot1.equals(plot2));
}
/**
* Confirm that basic cloning works.
*/
public void testCloning() {
XYPlot p1 = new XYPlot();
XYPlot p2 = null;
try {
p2 = (XYPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
}
/**
* Tests cloning for a more complex plot.
*/
public void testCloning2() {
XYPlot p1 = new XYPlot(null, new NumberAxis("Domain Axis"),
new NumberAxis("Range Axis"), new StandardXYItemRenderer());
p1.setRangeAxis(1, new NumberAxis("Range Axis 2"));
List axisIndices = Arrays.asList(new Integer[] {new Integer(0),
new Integer(1)});
p1.mapDatasetToDomainAxes(0, axisIndices);
p1.mapDatasetToRangeAxes(0, axisIndices);
p1.setRenderer(1, new XYBarRenderer());
XYPlot p2 = null;
try {
p2 = (XYPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
}
/**
* Confirm that cloning captures the quadrantOrigin field.
*/
public void testCloning_QuadrantOrigin() {
XYPlot p1 = new XYPlot();
Point2D p = new Point2D.Double(1.2, 3.4);
p1.setQuadrantOrigin(p);
XYPlot p2 = null;
try {
p2 = (XYPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
assertTrue(p2.getQuadrantOrigin() != p);
}
/**
* Confirm that cloning captures the quadrantOrigin field.
*/
public void testCloning_QuadrantPaint() {
XYPlot p1 = new XYPlot();
p1.setQuadrantPaint(3, new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue));
XYPlot p2 = null;
try {
p2 = (XYPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
// check for independence
p1.setQuadrantPaint(1, Color.red);
assertFalse(p1.equals(p2));
p2.setQuadrantPaint(1, Color.red);
assertTrue(p1.equals(p2));
}
/**
* Tests the independence of the clones.
*/
public void testCloneIndependence() {
XYPlot p1 = new XYPlot(null, new NumberAxis("Domain Axis"),
new NumberAxis("Range Axis"), new StandardXYItemRenderer());
p1.setDomainAxis(1, new NumberAxis("Domain Axis 2"));
p1.setDomainAxisLocation(1, AxisLocation.BOTTOM_OR_LEFT);
p1.setRangeAxis(1, new NumberAxis("Range Axis 2"));
p1.setRangeAxisLocation(1, AxisLocation.TOP_OR_RIGHT);
p1.setRenderer(1, new XYBarRenderer());
XYPlot p2 = null;
try {
p2 = (XYPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
System.err.println("Failed to clone.");
}
assertTrue(p1.equals(p2));
p1.getDomainAxis().setLabel("Label");
assertFalse(p1.equals(p2));
p2.getDomainAxis().setLabel("Label");
assertTrue(p1.equals(p2));
p1.getDomainAxis(1).setLabel("S1");
assertFalse(p1.equals(p2));
p2.getDomainAxis(1).setLabel("S1");
assertTrue(p1.equals(p2));
p1.setDomainAxisLocation(1, AxisLocation.TOP_OR_RIGHT);
assertFalse(p1.equals(p2));
p2.setDomainAxisLocation(1, AxisLocation.TOP_OR_RIGHT);
assertTrue(p1.equals(p2));
p1.mapDatasetToDomainAxis(2, 1);
assertFalse(p1.equals(p2));
p2.mapDatasetToDomainAxis(2, 1);
assertTrue(p1.equals(p2));
p1.getRangeAxis().setLabel("Label");
assertFalse(p1.equals(p2));
p2.getRangeAxis().setLabel("Label");
assertTrue(p1.equals(p2));
p1.getRangeAxis(1).setLabel("S1");
assertFalse(p1.equals(p2));
p2.getRangeAxis(1).setLabel("S1");
assertTrue(p1.equals(p2));
p1.setRangeAxisLocation(1, AxisLocation.TOP_OR_LEFT);
assertFalse(p1.equals(p2));
p2.setRangeAxisLocation(1, AxisLocation.TOP_OR_LEFT);
assertTrue(p1.equals(p2));
p1.mapDatasetToRangeAxis(2, 1);
assertFalse(p1.equals(p2));
p2.mapDatasetToRangeAxis(2, 1);
assertTrue(p1.equals(p2));
p1.getRenderer().setOutlinePaint(Color.cyan);
assertFalse(p1.equals(p2));
p2.getRenderer().setOutlinePaint(Color.cyan);
assertTrue(p1.equals(p2));
p1.getRenderer(1).setOutlinePaint(Color.red);
assertFalse(p1.equals(p2));
p2.getRenderer(1).setOutlinePaint(Color.red);
assertTrue(p1.equals(p2));
}
/**
* Setting a null renderer should be allowed, but is generating a null
* pointer exception in 0.9.7.
*/
public void testSetNullRenderer() {
boolean failed = false;
try {
XYPlot plot = new XYPlot(null, new NumberAxis("X"),
new NumberAxis("Y"), null);
plot.setRenderer(null);
}
catch (Exception e) {
failed = true;
}
assertTrue(!failed);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization1() {
XYDataset data = new XYSeriesCollection();
NumberAxis domainAxis = new NumberAxis("Domain");
NumberAxis rangeAxis = new NumberAxis("Range");
StandardXYItemRenderer renderer = new StandardXYItemRenderer();
XYPlot p1 = new XYPlot(data, domainAxis, rangeAxis, renderer);
XYPlot 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 = (XYPlot) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(p1, p2);
}
/**
* Serialize an instance, restore it, and check for equality. This test
* uses a {@link DateAxis} and a {@link StandardXYToolTipGenerator}.
*/
public void testSerialization2() {
IntervalXYDataset data1 = createDataset1();
XYItemRenderer renderer1 = new XYBarRenderer(0.20);
renderer1.setBaseToolTipGenerator(
StandardXYToolTipGenerator.getTimeSeriesInstance());
XYPlot p1 = new XYPlot(data1, new DateAxis("Date"), null, renderer1);
XYPlot 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 = (XYPlot) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(p1, p2);
}
/**
* Problem to reproduce a bug in serialization. The bug (first reported
* against the {@link org.jfree.chart.plot.CategoryPlot} class) is a null
* pointer exception that occurs when drawing a plot after deserialization.
* It is caused by four temporary storage structures (axesAtTop,
* axesAtBottom, axesAtLeft and axesAtRight - all initialized as empty
* lists in the constructor) not being initialized by the readObject()
* method following deserialization. This test has been written to
* reproduce the bug (now fixed).
*/
public void testSerialization3() {
XYSeriesCollection dataset = new XYSeriesCollection();
JFreeChart chart = ChartFactory.createXYLineChart(
"Test Chart",
"Domain Axis",
"Range Axis",
dataset,
PlotOrientation.VERTICAL,
true,
true,
false
);
JFreeChart chart2 = null;
// serialize and deserialize the chart....
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(chart);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
chart2 = (JFreeChart) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(chart, chart2);
boolean passed = true;
try {
chart2.createBufferedImage(300, 200);
}
catch (Exception e) {
passed = false;
e.printStackTrace();
}
assertTrue(passed);
}
/**
* A test to reproduce a bug in serialization: the domain and/or range
* markers for a plot are not being serialized.
*/
public void testSerialization4() {
XYSeriesCollection dataset = new XYSeriesCollection();
JFreeChart chart = ChartFactory.createXYLineChart(
"Test Chart",
"Domain Axis",
"Range Axis",
dataset,
PlotOrientation.VERTICAL,
true,
true,
false
);
XYPlot plot = (XYPlot) chart.getPlot();
plot.addDomainMarker(new ValueMarker(1.0), Layer.FOREGROUND);
plot.addDomainMarker(new IntervalMarker(2.0, 3.0), Layer.BACKGROUND);
plot.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND);
plot.addRangeMarker(new IntervalMarker(5.0, 6.0), Layer.BACKGROUND);
JFreeChart chart2 = null;
// serialize and deserialize the chart....
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(chart);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
chart2 = (JFreeChart) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(chart, chart2);
boolean passed = true;
try {
chart2.createBufferedImage(300, 200);
}
catch (Exception e) {
passed = false;
e.printStackTrace();
}
assertTrue(passed);
}
/**
* Tests a bug where the plot is no longer registered as a listener
* with the dataset(s) and axes after deserialization. See patch 1209475
* at SourceForge.
*/
public void testSerialization5() {
XYSeriesCollection dataset1 = new XYSeriesCollection();
NumberAxis domainAxis1 = new NumberAxis("Domain 1");
NumberAxis rangeAxis1 = new NumberAxis("Range 1");
StandardXYItemRenderer renderer1 = new StandardXYItemRenderer();
XYPlot p1 = new XYPlot(dataset1, domainAxis1, rangeAxis1, renderer1);
NumberAxis domainAxis2 = new NumberAxis("Domain 2");
NumberAxis rangeAxis2 = new NumberAxis("Range 2");
StandardXYItemRenderer renderer2 = new StandardXYItemRenderer();
XYSeriesCollection dataset2 = new XYSeriesCollection();
p1.setDataset(1, dataset2);
p1.setDomainAxis(1, domainAxis2);
p1.setRangeAxis(1, rangeAxis2);
p1.setRenderer(1, renderer2);
XYPlot 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 = (XYPlot) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertEquals(p1, p2);
// now check that all datasets, renderers and axes are being listened
// too...
NumberAxis domainAxisA = (NumberAxis) p2.getDomainAxis(0);
NumberAxis rangeAxisA = (NumberAxis) p2.getRangeAxis(0);
XYSeriesCollection datasetA = (XYSeriesCollection) p2.getDataset(0);
StandardXYItemRenderer rendererA
= (StandardXYItemRenderer) p2.getRenderer(0);
NumberAxis domainAxisB = (NumberAxis) p2.getDomainAxis(1);
NumberAxis rangeAxisB = (NumberAxis) p2.getRangeAxis(1);
XYSeriesCollection datasetB = (XYSeriesCollection) p2.getDataset(1);
StandardXYItemRenderer rendererB
= (StandardXYItemRenderer) p2.getRenderer(1);
assertTrue(datasetA.hasListener(p2));
assertTrue(domainAxisA.hasListener(p2));
assertTrue(rangeAxisA.hasListener(p2));
assertTrue(rendererA.hasListener(p2));
assertTrue(datasetB.hasListener(p2));
assertTrue(domainAxisB.hasListener(p2));
assertTrue(rangeAxisB.hasListener(p2));
assertTrue(rendererB.hasListener(p2));
}
/**
* Some checks for the getRendererForDataset() method.
*/
public void testGetRendererForDataset() {
XYDataset d0 = new XYSeriesCollection();
XYDataset d1 = new XYSeriesCollection();
XYDataset d2 = new XYSeriesCollection();
XYDataset d3 = new XYSeriesCollection(); // not used by plot
XYItemRenderer r0 = new XYLineAndShapeRenderer();
XYItemRenderer r2 = new XYLineAndShapeRenderer();
XYPlot plot = new XYPlot();
plot.setDataset(0, d0);
plot.setDataset(1, d1);
plot.setDataset(2, d2);
plot.setRenderer(0, r0);
// no renderer 1
plot.setRenderer(2, r2);
assertEquals(r0, plot.getRendererForDataset(d0));
assertEquals(r0, plot.getRendererForDataset(d1));
assertEquals(r2, plot.getRendererForDataset(d2));
assertEquals(null, plot.getRendererForDataset(d3));
assertEquals(null, plot.getRendererForDataset(null));
}
/**
* Some checks for the getLegendItems() method.
*/
public void testGetLegendItems() {
// check the case where there is a secondary dataset that doesn't
// have a renderer (i.e. falls back to renderer 0)
XYDataset d0 = createDataset1();
XYDataset d1 = createDataset2();
XYItemRenderer r0 = new XYLineAndShapeRenderer();
XYPlot plot = new XYPlot();
plot.setDataset(0, d0);
plot.setDataset(1, d1);
plot.setRenderer(0, r0);
LegendItemCollection items = plot.getLegendItems();
assertEquals(2, items.getItemCount());
}
/**
* Creates a sample dataset.
*
* @return Series 1.
*/
private IntervalXYDataset createDataset1() {
// create dataset 1...
TimeSeries series1 = new TimeSeries("Series 1", Day.class);
series1.add(new Day(1, MonthConstants.MARCH, 2002), 12353.3);
series1.add(new Day(2, MonthConstants.MARCH, 2002), 13734.4);
series1.add(new Day(3, MonthConstants.MARCH, 2002), 14525.3);
series1.add(new Day(4, MonthConstants.MARCH, 2002), 13984.3);
series1.add(new Day(5, MonthConstants.MARCH, 2002), 12999.4);
series1.add(new Day(6, MonthConstants.MARCH, 2002), 14274.3);
series1.add(new Day(7, MonthConstants.MARCH, 2002), 15943.5);
series1.add(new Day(8, MonthConstants.MARCH, 2002), 14845.3);
series1.add(new Day(9, MonthConstants.MARCH, 2002), 14645.4);
series1.add(new Day(10, MonthConstants.MARCH, 2002), 16234.6);
series1.add(new Day(11, MonthConstants.MARCH, 2002), 17232.3);
series1.add(new Day(12, MonthConstants.MARCH, 2002), 14232.2);
series1.add(new Day(13, MonthConstants.MARCH, 2002), 13102.2);
series1.add(new Day(14, MonthConstants.MARCH, 2002), 14230.2);
series1.add(new Day(15, MonthConstants.MARCH, 2002), 11235.2);
TimeSeriesCollection collection = new TimeSeriesCollection(series1);
return collection;
}
/**
* Creates a sample dataset.
*
* @return A sample dataset.
*/
private XYDataset createDataset2() {
// create dataset 1...
XYSeries series = new XYSeries("Series 2");
XYSeriesCollection collection = new XYSeriesCollection(series);
return collection;
}
/**
* A test for a bug where setting the renderer doesn't register the plot
* as a RendererChangeListener.
*/
public void testSetRenderer() {
XYPlot plot = new XYPlot();
XYItemRenderer renderer = new XYLineAndShapeRenderer();
plot.setRenderer(renderer);
// now make a change to the renderer and see if it triggers a plot
// change event...
MyPlotChangeListener listener = new MyPlotChangeListener();
plot.addChangeListener(listener);
renderer.setSeriesPaint(0, Color.black);
assertTrue(listener.getEvent() != null);
}
/**
* Some checks for the removeAnnotation() method.
*/
public void testRemoveAnnotation() {
XYPlot plot = new XYPlot();
XYTextAnnotation a1 = new XYTextAnnotation("X", 1.0, 2.0);
XYTextAnnotation a2 = new XYTextAnnotation("X", 3.0, 4.0);
XYTextAnnotation a3 = new XYTextAnnotation("X", 1.0, 2.0);
plot.addAnnotation(a1);
plot.addAnnotation(a2);
plot.addAnnotation(a3);
plot.removeAnnotation(a2);
XYTextAnnotation x = (XYTextAnnotation) plot.getAnnotations().get(0);
assertEquals(x, a1);
// now remove a3, but since a3.equals(a1), this will in fact remove
// a1...
assertTrue(a1.equals(a3));
plot.removeAnnotation(a3); // actually removes a1
x = (XYTextAnnotation) plot.getAnnotations().get(0);
assertEquals(x, a3);
}
/**
* Some tests for the addDomainMarker() method(s).
*/
public void testAddDomainMarker() {
XYPlot plot = new XYPlot();
Marker m = new ValueMarker(1.0);
plot.addDomainMarker(m);
List listeners = Arrays.asList(m.getListeners(
MarkerChangeListener.class));
assertTrue(listeners.contains(plot));
plot.clearDomainMarkers();
listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class));
assertFalse(listeners.contains(plot));
}
/**
* Some tests for the addRangeMarker() method(s).
*/
public void testAddRangeMarker() {
XYPlot plot = new XYPlot();
Marker m = new ValueMarker(1.0);
plot.addRangeMarker(m);
List listeners = Arrays.asList(m.getListeners(
MarkerChangeListener.class));
assertTrue(listeners.contains(plot));
plot.clearRangeMarkers();
listeners = Arrays.asList(m.getListeners(MarkerChangeListener.class));
assertFalse(listeners.contains(plot));
}
/**
* A test for bug 1654215 (where a renderer is added to the plot without
* a corresponding dataset and it throws an exception at drawing time).
*/
public void test1654215() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
dataset, PlotOrientation.VERTICAL, true, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(1, new XYLineAndShapeRenderer());
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, null);
g2.dispose();
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
/**
* A test for drawing range grid lines when there is no primary renderer.
* In 1.0.4, this is throwing a NullPointerException.
*/
public void testDrawRangeGridlines() {
DefaultXYDataset dataset = new DefaultXYDataset();
JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
dataset, PlotOrientation.VERTICAL, true, false, false);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(null);
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, null);
g2.dispose();
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
/**
* A test for drawing a plot where a series has zero items. With
* JFreeChart 1.0.5+cvs this was throwing an exception at one point.
*/
public void testDrawSeriesWithZeroItems() {
DefaultXYDataset dataset = new DefaultXYDataset();
dataset.addSeries("Series 1", new double[][] {{1.0, 2.0}, {3.0, 4.0}});
dataset.addSeries("Series 2", new double[][] {{}, {}});
JFreeChart chart = ChartFactory.createXYLineChart("Title", "X", "Y",
dataset, PlotOrientation.VERTICAL, true, false, false);
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, null);
g2.dispose();
success = true;
}
catch (Exception e) {
e.printStackTrace();
success = false;
}
assertTrue(success);
}
/**
* Check that removing a marker that isn't assigned to the plot returns
* false.
*/
public void testRemoveDomainMarker() {
XYPlot plot = new XYPlot();
assertFalse(plot.removeDomainMarker(new ValueMarker(0.5)));
}
/**
* Check that removing a marker that isn't assigned to the plot returns
* false.
*/
public void testRemoveRangeMarker() {
XYPlot plot = new XYPlot();
assertFalse(plot.removeRangeMarker(new ValueMarker(0.5)));
}
/**
* Some tests for the getDomainAxisForDataset() method.
*/
public void testGetDomainAxisForDataset() {
XYDataset dataset = new XYSeriesCollection();
NumberAxis xAxis = new NumberAxis("X");
NumberAxis yAxis = new NumberAxis("Y");
XYItemRenderer renderer = new DefaultXYItemRenderer();
XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
assertEquals(xAxis, plot.getDomainAxisForDataset(0));
// should get IllegalArgumentException for negative index
boolean pass = false;
try {
plot.getDomainAxisForDataset(-1);
}
catch (IllegalArgumentException e) {
pass = true;
}
assertTrue(pass);
// should get IllegalArgumentException for index too high
pass = false;
try {
plot.getDomainAxisForDataset(1);
}
catch (IllegalArgumentException e) {
pass = true;
}
assertTrue(pass);
// if multiple axes are mapped, the first in the list should be
// returned...
NumberAxis xAxis2 = new NumberAxis("X2");
plot.setDomainAxis(1, xAxis2);
assertEquals(xAxis, plot.getDomainAxisForDataset(0));
plot.mapDatasetToDomainAxis(0, 1);
assertEquals(xAxis2, plot.getDomainAxisForDataset(0));
List axisIndices = Arrays.asList(new Integer[] {new Integer(0),
new Integer(1)});
plot.mapDatasetToDomainAxes(0, axisIndices);
assertEquals(xAxis, plot.getDomainAxisForDataset(0));
axisIndices = Arrays.asList(new Integer[] {new Integer(1),
new Integer(2)});
plot.mapDatasetToDomainAxes(0, axisIndices);
assertEquals(xAxis2, plot.getDomainAxisForDataset(0));
}
/**
* Some tests for the getRangeAxisForDataset() method.
*/
public void testGetRangeAxisForDataset() {
XYDataset dataset = new XYSeriesCollection();
NumberAxis xAxis = new NumberAxis("X");
NumberAxis yAxis = new NumberAxis("Y");
XYItemRenderer renderer = new DefaultXYItemRenderer();
XYPlot plot = new XYPlot(dataset, xAxis, yAxis, renderer);
assertEquals(yAxis, plot.getRangeAxisForDataset(0));
// should get IllegalArgumentException for negative index
boolean pass = false;
try {
plot.getRangeAxisForDataset(-1);
}
catch (IllegalArgumentException e) {
pass = true;
}
assertTrue(pass);
// should get IllegalArgumentException for index too high
pass = false;
try {
plot.getRangeAxisForDataset(1);
}
catch (IllegalArgumentException e) {
pass = true;
}
assertTrue(pass);
// if multiple axes are mapped, the first in the list should be
// returned...
NumberAxis yAxis2 = new NumberAxis("Y2");
plot.setRangeAxis(1, yAxis2);
assertEquals(yAxis, plot.getRangeAxisForDataset(0));
plot.mapDatasetToRangeAxis(0, 1);
assertEquals(yAxis2, plot.getRangeAxisForDataset(0));
List axisIndices = Arrays.asList(new Integer[] {new Integer(0),
new Integer(1)});
plot.mapDatasetToRangeAxes(0, axisIndices);
assertEquals(yAxis, plot.getRangeAxisForDataset(0));
axisIndices = Arrays.asList(new Integer[] {new Integer(1),
new Integer(2)});
plot.mapDatasetToRangeAxes(0, axisIndices);
assertEquals(yAxis2, plot.getRangeAxisForDataset(0));
}
}
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