pieplottests.java

关于jfreechart的电子说明书,一种说明图型使用的介绍

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2005, 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.]
 *
 * -----------------
 * PiePlotTests.java
 * -----------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: PiePlotTests.java,v 1.7.2.5 2005/10/25 20:52:35 mungady Exp $
 *
 * Changes
 * -------
 * 18-Mar-2003 : Version 1 (DG);
 * 10-May-2005 : Strengthened equals() test (DG);
 *
 */

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.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.LegendItemCollection;
import org.jfree.chart.labels.StandardPieToolTipGenerator;
import org.jfree.chart.labels.StandardPieSectionLabelGenerator;
import org.jfree.chart.plot.PiePlot;
import org.jfree.chart.urls.StandardPieURLGenerator;
import org.jfree.data.general.DefaultPieDataset;
import org.jfree.util.Rotation;

/**
 * Tests for the {@link PiePlot} class.
 */
public class PiePlotTests extends TestCase {

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(PiePlotTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public PiePlotTests(String name) {
        super(name);
    }

    /**
     * Test the equals() method.
     */
    public void testEquals() {
        
        PiePlot plot1 = new PiePlot();
        PiePlot plot2 = new PiePlot();
        assertTrue(plot1.equals(plot2));
        assertTrue(plot2.equals(plot1));
                
        // pieIndex...
        plot1.setPieIndex(99);
        assertFalse(plot1.equals(plot2));
        plot2.setPieIndex(99);
        assertTrue(plot1.equals(plot2));
        
        // interiorGap...
        plot1.setInteriorGap(0.15);
        assertFalse(plot1.equals(plot2));
        plot2.setInteriorGap(0.15);
        assertTrue(plot1.equals(plot2));

        // circular
        plot1.setCircular(!plot1.isCircular());
        assertFalse(plot1.equals(plot2));
        plot2.setCircular(false);
        assertTrue(plot1.equals(plot2));
        
        // startAngle
        plot1.setStartAngle(Math.PI);
        assertFalse(plot1.equals(plot2));
        plot2.setStartAngle(Math.PI);
        assertTrue(plot1.equals(plot2));
        
        // direction
        plot1.setDirection(Rotation.ANTICLOCKWISE);
        assertFalse(plot1.equals(plot2));
        plot2.setDirection(Rotation.ANTICLOCKWISE);
        assertTrue(plot1.equals(plot2));
        
        // ignoreZeroValues
        plot1.setIgnoreZeroValues(true);
        plot2.setIgnoreZeroValues(false);
        assertFalse(plot1.equals(plot2));
        plot2.setIgnoreZeroValues(true);
        assertTrue(plot1.equals(plot2));
        
        // ignoreNullValues
        plot1.setIgnoreNullValues(true);
        plot2.setIgnoreNullValues(false);
        assertFalse(plot1.equals(plot2));
        plot2.setIgnoreNullValues(true);
        assertTrue(plot1.equals(plot2));
        
        // sectionPaint
        plot1.setSectionPaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionPaint(new GradientPaint(1.0f, 2.0f, Color.red, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // sectionPaintList
        plot1.setSectionPaint(2, new GradientPaint(1.0f, 2.0f, Color.blue, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionPaint(2, new GradientPaint(1.0f, 2.0f, Color.blue, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // baseSectionPaint
        plot1.setBaseSectionPaint(new GradientPaint(1.0f, 2.0f, Color.black, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionPaint(new GradientPaint(1.0f, 2.0f, Color.black, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // sectionOutlinesVisible
        plot1.setSectionOutlinesVisible(false);
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinesVisible(false);
        assertTrue(plot1.equals(plot2)); 
        
        // sectionOutlinePaint
        plot1.setSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // sectionOutlinePaintList
        plot1.setSectionOutlinePaint(2, new GradientPaint(1.0f, 2.0f, Color.green, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlinePaint(2, new GradientPaint(1.0f, 2.0f, Color.green, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // baseSectionOutlinePaint
        plot1.setBaseSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.gray, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.gray, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));
        
        // sectionOutlineStroke
        plot1.setSectionOutlineStroke(new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlineStroke(new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));
        
        // sectionOutlineStrokeList
        plot1.setSectionOutlineStroke(2, new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setSectionOutlineStroke(2, new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));
        
        // baseSectionOutlineStroke
        plot1.setBaseSectionOutlineStroke(new BasicStroke(1.0f));
        assertFalse(plot1.equals(plot2));
        plot2.setBaseSectionOutlineStroke(new BasicStroke(1.0f));
        assertTrue(plot1.equals(plot2));
        
        // shadowPaint
        plot1.setShadowPaint(new GradientPaint(1.0f, 2.0f, Color.orange, 
                3.0f, 4.0f, Color.white));
        assertFalse(plot1.equals(plot2));
        plot2.setShadowPaint(new GradientPaint(1.0f, 2.0f, Color.orange, 
                3.0f, 4.0f, Color.white));
        assertTrue(plot1.equals(plot2));

        // shadowXOffset