/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------
* CategoryPlotTests.java
* ----------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: CategoryPlotTests.java,v 1.1 2004/08/31 14:42:21 mungady Exp $
*
* Changes
* -------
* 26-Mar-2003 : Version 1 (DG);
* 15-Sep-2003 : Added a unit test to reproduce a bug in serialization (now fixed) (DG);
*
*/
package org.jfree.chart.plot.junit;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Stroke;
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.annotations.CategoryTextAnnotation;
import org.jfree.chart.axis.AxisLocation;
import org.jfree.chart.axis.AxisSpace;
import org.jfree.chart.axis.CategoryAnchor;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.DatasetRenderingOrder;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.ValueMarker;
import org.jfree.chart.renderer.category.AreaRenderer;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.Range;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.ui.Layer;
import org.jfree.ui.Spacer;
import org.jfree.util.SortOrder;
/**
* Tests for the {@link CategoryPlot} class.
*/
public class CategoryPlotTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(CategoryPlotTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public CategoryPlotTests(String name) {
super(name);
}
/**
* A test for a bug reported in the forum.
*/
public void testAxisRange() {
DefaultCategoryDataset datasetA = new DefaultCategoryDataset();
DefaultCategoryDataset datasetB = new DefaultCategoryDataset();
datasetB.addValue(50.0, "R1", "C1");
datasetB.addValue(80.0, "R1", "C1");
CategoryPlot plot = new CategoryPlot(
datasetA, new CategoryAxis(null), new NumberAxis(null), new LineAndShapeRenderer()
);
plot.setDataset(1, datasetB);
plot.setRenderer(1, new LineAndShapeRenderer());
Range r = plot.getRangeAxis().getRange();
assertEquals(84.0, r.getUpperBound(), 0.00001);
}
/**
* Test that the equals() method differentiates all the required fields.
*/
public void testEquals() {
CategoryPlot plot1 = new CategoryPlot();
CategoryPlot plot2 = new CategoryPlot();
assertTrue(plot1.equals(plot2));
assertTrue(plot2.equals(plot1));
// orientation...
plot1.setOrientation(PlotOrientation.HORIZONTAL);
assertFalse(plot1.equals(plot2));
plot2.setOrientation(PlotOrientation.HORIZONTAL);
assertTrue(plot1.equals(plot2));
// axisOffset...
plot1.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05));
assertFalse(plot1.equals(plot2));
plot2.setAxisOffset(new Spacer(Spacer.ABSOLUTE, 0.05, 0.05, 0.05, 0.05));
assertTrue(plot1.equals(plot2));
// domainAxis - no longer a separate field but test anyway...
plot1.setDomainAxis(new CategoryAxis("Category Axis"));
assertFalse(plot1.equals(plot2));
plot2.setDomainAxis(new CategoryAxis("Category Axis"));
assertTrue(plot1.equals(plot2));
// domainAxes...
plot1.setDomainAxis(11, new CategoryAxis("Secondary Axis"));
assertFalse(plot1.equals(plot2));
plot2.setDomainAxis(11, new CategoryAxis("Secondary Axis"));
assertTrue(plot1.equals(plot2));
// domainAxisLocation - no longer a separate field but test anyway...
plot1.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setDomainAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// domainAxisLocations...
plot1.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setDomainAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// draw shared domain axis...
plot1.setDrawSharedDomainAxis(!plot1.getDrawSharedDomainAxis());
assertFalse(plot1.equals(plot2));
plot2.setDrawSharedDomainAxis(!plot2.getDrawSharedDomainAxis());
assertTrue(plot1.equals(plot2));
// rangeAxis - no longer a separate field but test anyway...
plot1.setRangeAxis(new NumberAxis("Range Axis"));
assertFalse(plot1.equals(plot2));
plot2.setRangeAxis(new NumberAxis("Range Axis"));
assertTrue(plot1.equals(plot2));
// 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));
// rangeAxisLocation - no longer a separate field but test anyway...
plot1.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setRangeAxisLocation(AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// rangeAxisLocations...
plot1.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertFalse(plot1.equals(plot2));
plot2.setRangeAxisLocation(11, AxisLocation.TOP_OR_RIGHT);
assertTrue(plot1.equals(plot2));
// datasetToDomainAxisMap...
plot1.mapDatasetToDomainAxis(11, 11);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToDomainAxis(11, 11);
assertTrue(plot1.equals(plot2));
// datasetToRangeAxisMap...
plot1.mapDatasetToRangeAxis(11, 11);
assertFalse(plot1.equals(plot2));
plot2.mapDatasetToRangeAxis(11, 11);
assertTrue(plot1.equals(plot2));
// renderer - no longer a separate field but test anyway...
plot1.setRenderer(new AreaRenderer());
assertFalse(plot1.equals(plot2));
plot2.setRenderer(new AreaRenderer());
assertTrue(plot1.equals(plot2));
// renderers...
plot1.setRenderer(11, new AreaRenderer());
assertFalse(plot1.equals(plot2));
plot2.setRenderer(11, new AreaRenderer());
assertTrue(plot1.equals(plot2));
// rendering order...
plot1.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
assertFalse(plot1.equals(plot2));
plot2.setDatasetRenderingOrder(DatasetRenderingOrder.FORWARD);
assertTrue(plot1.equals(plot2));
// columnRenderingOrder...
plot1.setColumnRenderingOrder(SortOrder.DESCENDING);
assertFalse(plot1.equals(plot2));
plot2.setColumnRenderingOrder(SortOrder.DESCENDING);
assertTrue(plot1.equals(plot2));
// rowRenderingOrder...
plot1.setRowRenderingOrder(SortOrder.DESCENDING);
assertFalse(plot1.equals(plot2));
plot2.setRowRenderingOrder(SortOrder.DESCENDING);
assertTrue(plot1.equals(plot2));
// domainGridlinesVisible
plot1.setDomainGridlinesVisible(true);
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlinesVisible(true);
assertTrue(plot1.equals(plot2));
// domainGridlinePosition
plot1.setDomainGridlinePosition(CategoryAnchor.END);
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlinePosition(CategoryAnchor.END);
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(Color.blue);
assertFalse(plot1.equals(plot2));
plot2.setDomainGridlinePaint(Color.blue);
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(Color.blue);
assertFalse(plot1.equals(plot2));
plot2.setRangeGridlinePaint(Color.blue);
assertTrue(plot1.equals(plot2));
// anchorValue
plot1.setAnchorValue(100.0);
assertFalse(plot1.equals(plot2));
plot2.setAnchorValue(100.0);
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(Color.blue);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairPaint(Color.blue);
assertTrue(plot1.equals(plot2));
// rangeCrosshairLockedOnData
plot1.setRangeCrosshairLockedOnData(false);
assertFalse(plot1.equals(plot2));
plot2.setRangeCrosshairLockedOnData(false);
assertTrue(plot1.equals(plot2));
// range markers - no longer separate fields but test anyway...
plot1.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND);
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(new ValueMarker(4.0), Layer.FOREGROUND);
assertTrue(plot1.equals(plot2));
plot1.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND);
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(new ValueMarker(5.0), Layer.BACKGROUND);
assertTrue(plot1.equals(plot2));
// foreground 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));
// background range markers...
plot1.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND);
assertFalse(plot1.equals(plot2));
plot2.addRangeMarker(1, new ValueMarker(5.0), Layer.BACKGROUND);
assertTrue(plot1.equals(plot2));
// annotations
plot1.addAnnotation(new CategoryTextAnnotation("Text", "Category", 43.0));
assertFalse(plot1.equals(plot2));
plot2.addAnnotation(new CategoryTextAnnotation("Text", "Category", 43.0));
assertTrue(plot1.equals(plot2));
// weight
plot1.setWeight(3);
assertFalse(plot1.equals(plot2));
plot2.setWeight(3);
assertTrue(plot1.equals(plot2));
// fixed domain axis space...
plot1.setFixedDomainAxisSpace(new AxisSpace());
assertFalse(plot1.equals(plot2));
plot2.setFixedDomainAxisSpace(new AxisSpace());
assertTrue(plot1.equals(plot2));
// fixed range axis space...
plot1.setFixedRangeAxisSpace(new AxisSpace());
assertFalse(plot1.equals(plot2));
plot2.setFixedRangeAxisSpace(new AxisSpace());
assertTrue(plot1.equals(plot2));
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
CategoryPlot p1 = new CategoryPlot();
CategoryPlot p2 = null;
try {
p2 = (CategoryPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
System.err.println("CategoryPlotTests.testCloning: failed to clone.");
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
DefaultCategoryDataset data = new DefaultCategoryDataset();
CategoryAxis domainAxis = new CategoryAxis("Domain");
NumberAxis rangeAxis = new NumberAxis("Range");
BarRenderer renderer = new BarRenderer();
CategoryPlot p1 = new CategoryPlot(data, domainAxis, rangeAxis, renderer);
p1.setOrientation(PlotOrientation.HORIZONTAL);
CategoryPlot 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 = (CategoryPlot) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(p1, p2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization2() {
DefaultCategoryDataset data = new DefaultCategoryDataset();
CategoryAxis domainAxis = new CategoryAxis("Domain");
NumberAxis rangeAxis = new NumberAxis("Range");
BarRenderer renderer = new BarRenderer();
CategoryPlot p1 = new CategoryPlot(data, domainAxis, rangeAxis, renderer);
p1.setOrientation(PlotOrientation.VERTICAL);
CategoryPlot 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 = (CategoryPlot) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(p1, p2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization3() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
JFreeChart chart = ChartFactory.createBarChart(
"Test Chart",
"Category Axis",
"Value 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) {
System.out.println(e.toString());
}
// now check that the chart is usable...
boolean passed = true;
try {
chart2.createBufferedImage(300, 200);
}
catch (Exception e) {
passed = false;
e.printStackTrace();
}
assertTrue(passed);
}
}