/* ===========================================================
* 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.]
*
* -------------------
* PolarPlotTests.java
* -------------------
* (C) Copyright 2005-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Feb-2005 : Version 1 (DG);
* 08-Jun-2005 : Extended testEquals() (DG);
* 07-Feb-2007 : Extended testEquals() and testCloning() (DG);
* 17-Feb-2008 : Tests for new angleTickUnit field (DG);
* 09-Dec-2009 : Added new tests (DG);
* 12-Nov-2011 : Added tests for translateToJava2D (MH);
*
*/
package org.jfree.chart.plot.junit;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.Point;
import java.awt.Stroke;
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.LegendItem;
import org.jfree.chart.LegendItemCollection;
import org.jfree.chart.axis.LogAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.axis.NumberTickUnit;
import org.jfree.chart.axis.ValueAxis;
import org.jfree.chart.plot.PolarPlot;
import org.jfree.chart.renderer.DefaultPolarItemRenderer;
import org.jfree.data.xy.DefaultXYDataset;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
/**
* Some tests for the {@link PolarPlot} class.
*/
public class PolarPlotTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(PolarPlotTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public PolarPlotTests(String name) {
super(name);
}
/**
* Some checks for the getLegendItems() method.
*/
public void testGetLegendItems() {
XYSeriesCollection d = new XYSeriesCollection();
d.addSeries(new XYSeries("A"));
d.addSeries(new XYSeries("B"));
DefaultPolarItemRenderer r = new DefaultPolarItemRenderer();
PolarPlot plot = new PolarPlot();
plot.setDataset(d);
plot.setRenderer(r);
LegendItemCollection items = plot.getLegendItems();
assertEquals(2, items.getItemCount());
LegendItem item1 = (LegendItem) items.get(0);
assertEquals("A", item1.getLabel());
LegendItem item2 = (LegendItem) items.get(1);
assertEquals("B", item2.getLabel());
}
/**
* Some checks for the getLegendItems() method with multiple datasets.
*/
public void testGetLegendItems2() {
XYSeriesCollection d1 = new XYSeriesCollection();
d1.addSeries(new XYSeries("A"));
d1.addSeries(new XYSeries("B"));
XYSeriesCollection d2 = new XYSeriesCollection();
d2.addSeries(new XYSeries("C"));
d2.addSeries(new XYSeries("D"));
DefaultPolarItemRenderer r = new DefaultPolarItemRenderer();
PolarPlot plot = new PolarPlot();
plot.setDataset(d1);
plot.setDataset(1, d2);
plot.setRenderer(r);
plot.setRenderer(1, new DefaultPolarItemRenderer());
LegendItemCollection items = plot.getLegendItems();
assertEquals(4, items.getItemCount());
LegendItem item1 = (LegendItem) items.get(0);
assertEquals("A", item1.getLabel());
LegendItem item2 = (LegendItem) items.get(1);
assertEquals("B", item2.getLabel());
LegendItem item3 = (LegendItem) items.get(2);
assertEquals("C", item3.getLabel());
LegendItem item4 = (LegendItem) items.get(3);
assertEquals("D", item4.getLabel());
}
/**
* Some checks for the equals() method.
*/
public void testEquals() {
PolarPlot plot1 = new PolarPlot();
PolarPlot plot2 = new PolarPlot();
assertTrue(plot1.equals(plot2));
assertTrue(plot2.equals(plot1));
plot1.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue));
assertFalse(plot1.equals(plot2));
plot2.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue));
assertTrue(plot1.equals(plot2));
Stroke s = new BasicStroke(1.23f);
plot1.setAngleGridlineStroke(s);
assertFalse(plot1.equals(plot2));
plot2.setAngleGridlineStroke(s);
assertTrue(plot1.equals(plot2));
plot1.setAngleTickUnit(new NumberTickUnit(11.0));
assertFalse(plot1.equals(plot2));
plot2.setAngleTickUnit(new NumberTickUnit(11.0));
assertTrue(plot1.equals(plot2));
plot1.setAngleGridlinesVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setAngleGridlinesVisible(false);
assertTrue(plot1.equals(plot2));
plot1.setAngleLabelFont(new Font("Serif", Font.PLAIN, 9));
assertFalse(plot1.equals(plot2));
plot2.setAngleLabelFont(new Font("Serif", Font.PLAIN, 9));
assertTrue(plot1.equals(plot2));
plot1.setAngleLabelPaint(new GradientPaint(9.0f, 8.0f, Color.blue,
7.0f, 6.0f, Color.red));
assertFalse(plot1.equals(plot2));
plot2.setAngleLabelPaint(new GradientPaint(9.0f, 8.0f, Color.blue,
7.0f, 6.0f, Color.red));
assertTrue(plot1.equals(plot2));
plot1.setAngleLabelsVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setAngleLabelsVisible(false);
assertTrue(plot1.equals(plot2));
plot1.setAxis(new NumberAxis("Test"));
assertFalse(plot1.equals(plot2));
plot2.setAxis(new NumberAxis("Test"));
assertTrue(plot1.equals(plot2));
plot1.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.white,
3.0f, 4.0f, Color.black));
assertFalse(plot1.equals(plot2));
plot2.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.white,
3.0f, 4.0f, Color.black));
assertTrue(plot1.equals(plot2));
plot1.setRadiusGridlineStroke(s);
assertFalse(plot1.equals(plot2));
plot2.setRadiusGridlineStroke(s);
assertTrue(plot1.equals(plot2));
plot1.setRadiusGridlinesVisible(false);
assertFalse(plot1.equals(plot2));
plot2.setRadiusGridlinesVisible(false);
assertTrue(plot1.equals(plot2));
plot1.addCornerTextItem("XYZ");
assertFalse(plot1.equals(plot2));
plot2.addCornerTextItem("XYZ");
assertTrue(plot1.equals(plot2));
plot1.setMargin(6);
assertFalse(plot1.equals(plot2));
plot2.setMargin(6);
assertTrue(plot1.equals(plot2));
LegendItemCollection lic1 = new LegendItemCollection();
lic1.add(new LegendItem("XYZ", Color.red));
plot1.setFixedLegendItems(lic1);
assertFalse(plot1.equals(plot2));
LegendItemCollection lic2 = new LegendItemCollection();
lic2.add(new LegendItem("XYZ", Color.red));
plot2.setFixedLegendItems(lic2);
assertTrue(plot1.equals(plot2));
}
/**
* Some basic checks for the clone() method.
*/
public void testCloning() {
PolarPlot p1 = new PolarPlot();
PolarPlot p2 = null;
try {
p2 = (PolarPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
// check independence
p1.addCornerTextItem("XYZ");
assertFalse(p1.equals(p2));
p2.addCornerTextItem("XYZ");
assertTrue(p1.equals(p2));
p1 = new PolarPlot(new DefaultXYDataset(), new NumberAxis("A1"),
new DefaultPolarItemRenderer());
p2 = null;
try {
p2 = (PolarPlot) p1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
System.err.println("Failed to clone.");
}
assertTrue(p1 != p2);
assertTrue(p1.getClass() == p2.getClass());
assertTrue(p1.equals(p2));
// check independence
p1.getAxis().setLabel("ABC");
assertFalse(p1.equals(p2));
p2.getAxis().setLabel("ABC");
assertTrue(p1.equals(p2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
PolarPlot p1 = new PolarPlot();
p1.setAngleGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
4.0f, Color.blue));
p1.setAngleLabelPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
4.0f, Color.blue));
p1.setRadiusGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
4.0f, Color.blue));
PolarPlot 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 = (PolarPlot) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(p1, p2);
}
public void testTranslateToJava2D_NumberAxis() {
Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
ValueAxis axis = new NumberAxis();
axis.setRange(0.0, 20.0);
PolarPlot plot = new PolarPlot(null, axis, null);
plot.setMargin(0);
plot.setAngleOffset(0.0);
Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
assertEquals(75.0, point.getX(), 0.5);
assertEquals(50.0, point.getY(), 0.5);
point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
assertEquals(50.0, point.getX(), 0.5);
assertEquals(62.5, point.getY(), 0.5);
point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
assertEquals(85.0, point.getX(), 0.5);
assertEquals(85.0, point.getY(), 0.5);
point = plot.translateToJava2D(135.0, 20.0, axis, dataArea );
assertEquals(15.0, point.getX(), 0.5);
assertEquals(85.0, point.getY(), 0.5);
point = plot.translateToJava2D(225.0, 15.0, axis, dataArea );
assertEquals(23.0, point.getX(), 0.5);
assertEquals(23.0, point.getY(), 0.5);
point = plot.translateToJava2D(315.0, 15.0, axis, dataArea );
assertEquals(77.0, point.getX(), 0.5);
assertEquals(23.0, point.getY(), 0.5);
point = plot.translateToJava2D(21.0, 11.5, axis, dataArea );
assertEquals(77.0, point.getX(), 0.5);
assertEquals(60.0, point.getY(), 0.5);
point = plot.translateToJava2D(162.0, 7.0, axis, dataArea );
assertEquals(33.0, point.getX(), 0.5);
assertEquals(55.0, point.getY(), 0.5);
}
public void testTranslateToJava2D_NumberAxisAndMargin() {
Rectangle2D dataArea = new Rectangle2D.Double(10.0, 10.0, 80.0, 80.0);
ValueAxis axis = new NumberAxis();
axis.setRange(-2.0, 2.0);
PolarPlot plot = new PolarPlot(null, axis, null);
plot.setAngleOffset(0.0);
Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
assertEquals(110.0, point.getX(), 0.5);
assertEquals(50.0, point.getY(), 0.5);
point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
assertEquals(50.0, point.getX(), 0.5);
assertEquals(85.0, point.getY(), 0.5);
point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
assertEquals(128.0, point.getX(), 0.5);
assertEquals(128.0, point.getY(), 0.5);
point = plot.translateToJava2D(135.0, 20.0, axis, dataArea );
assertEquals(-28.0, point.getX(), 0.5);
assertEquals(128.0, point.getY(), 0.5);
point = plot.translateToJava2D(225.0, 15.0, axis, dataArea );
assertEquals(-10.0, point.getX(), 0.5);
assertEquals(-10.0, point.getY(), 0.5);
point = plot.translateToJava2D(315.0, 15.0, axis, dataArea );
assertEquals(110.0, point.getX(), 0.5);
assertEquals(-10.0, point.getY(), 0.5);
point = plot.translateToJava2D(21.0, 11.5, axis, dataArea );
assertEquals(113.0, point.getX(), 0.5);
assertEquals(74.0, point.getY(), 0.5);
point = plot.translateToJava2D(162.0, 7.0, axis, dataArea );
assertEquals(7.0, point.getX(), 0.5);
assertEquals(64.0, point.getY(), 0.5);
}
public void testTranslateToJava2D_LogAxis() {
Rectangle2D dataArea = new Rectangle2D.Double(0.0, 0.0, 100.0, 100.0);
ValueAxis axis = new LogAxis();
axis.setRange(1.0, 100.0);
PolarPlot plot = new PolarPlot(null, axis, null);
plot.setMargin(0);
plot.setAngleOffset(0.0);
Point point = plot.translateToJava2D(0.0, 10.0, axis, dataArea );
assertEquals(75.0, point.getX(), 0.5);
assertEquals(50.0, point.getY(), 0.5);
point = plot.translateToJava2D(90.0, 5.0, axis, dataArea );
assertEquals(50.0, point.getX(), 0.5);
assertEquals(67.5, point.getY(), 0.5);
point = plot.translateToJava2D(45.0, 20.0, axis, dataArea );
assertEquals(73.0, point.getX(), 0.5);
assertEquals(73.0, point.getY(), 0.5);
}
}