combineddomaincategoryplottests.java

jfreechart安装程序和使用说明

/* ===========================================================
 * 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.]
 *
 * ------------------------------------
 * CombinedDomainCategoryPlotTests.java
 * ------------------------------------
 * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: CombinedDomainCategoryPlotTests.java,v 1.1 2004/08/31 14:42:21 mungady Exp $
 *
 * Changes
 * -------
 * 19-Aug-2003 : Version 1 (DG);
 *
 */

package org.jfree.chart.plot.junit;

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.List;

import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.CombinedDomainCategoryPlot;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 * Tests for the {@link CombinedDomainCategoryPlot} class.
 */
public class CombinedDomainCategoryPlotTests extends TestCase {

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

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

    /**
     * This is a test to replicate the bug report 987080.
     */
    public void testRemoveSubplot() {
        CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot();
        CategoryPlot plot1 = new CategoryPlot();
        CategoryPlot plot2 = new CategoryPlot();
        plot.add(plot1);
        plot.add(plot2);
        // remove plot2, but plot1 is removed instead
        plot.remove(plot2);
        List plots = plot.getSubplots();
        assertTrue(plots.get(0) == plot1);
    }
    
    /**
     * Test the equals() method.
     */
    public void testEquals() {
        
        CombinedDomainCategoryPlot plot1 = createPlot();
        CombinedDomainCategoryPlot plot2 = createPlot();
        assertTrue(plot1.equals(plot2));    
        
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CombinedDomainCategoryPlot plot1 = createPlot();        
        CombinedDomainCategoryPlot plot2 = null;
        try {
            plot2 = (CombinedDomainCategoryPlot) plot1.clone();
        }
        catch (CloneNotSupportedException e) {
            System.err.println("CombinedDomainCategoryPlotTests.testCloning: failed to clone.");
        }
        assertTrue(plot1 != plot2);
        assertTrue(plot1.getClass() == plot2.getClass());
        assertTrue(plot1.equals(plot2));
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {

        CombinedDomainCategoryPlot plot1 = createPlot();
        CombinedDomainCategoryPlot plot2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(plot1);
            out.close();

            ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
            plot2 = (CombinedDomainCategoryPlot) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(plot1, plot2);

    }
    
    /**
     * Creates a dataset.
     *
     * @return A dataset.
     */
    public CategoryDataset createDataset1() {

        DefaultCategoryDataset result = new DefaultCategoryDataset();

        // row keys...
        String series1 = "First";
        String series2 = "Second";

        // column keys...
        String type1 = "Type 1";
        String type2 = "Type 2";
        String type3 = "Type 3";
        String type4 = "Type 4";
        String type5 = "Type 5";
        String type6 = "Type 6";
        String type7 = "Type 7";
        String type8 = "Type 8";

        result.addValue(1.0, series1, type1);
        result.addValue(4.0, series1, type2);
        result.addValue(3.0, series1, type3);
        result.addValue(5.0, series1, type4);
        result.addValue(5.0, series1, type5);
        result.addValue(7.0, series1, type6);
        result.addValue(7.0, series1, type7);
        result.addValue(8.0, series1, type8);

        result.addValue(5.0, series2, type1);
        result.addValue(7.0, series2, type2);
        result.addValue(6.0, series2, type3);
        result.addValue(8.0, series2, type4);
        result.addValue(4.0, series2, type5);
        result.addValue(4.0, series2, type6);
        result.addValue(2.0, series2, type7);
        result.addValue(1.0, series2, type8);

        return result;

    }

    /**
     * Creates a dataset.
     *
     * @return A dataset.
     */
    public CategoryDataset createDataset2() {

        DefaultCategoryDataset result = new DefaultCategoryDataset();

        // row keys...
        String series1 = "Third";
        String series2 = "Fourth";

        // column keys...
        String type1 = "Type 1";
        String type2 = "Type 2";
        String type3 = "Type 3";
        String type4 = "Type 4";
        String type5 = "Type 5";
        String type6 = "Type 6";
        String type7 = "Type 7";
        String type8 = "Type 8";

        result.addValue(11.0, series1, type1);
        result.addValue(14.0, series1, type2);
        result.addValue(13.0, series1, type3);
        result.addValue(15.0, series1, type4);
        result.addValue(15.0, series1, type5);
        result.addValue(17.0, series1, type6);
        result.addValue(17.0, series1, type7);
        result.addValue(18.0, series1, type8);

        result.addValue(15.0, series2, type1);
        result.addValue(17.0, series2, type2);
        result.addValue(16.0, series2, type3);
        result.addValue(18.0, series2, type4);
        result.addValue(14.0, series2, type5);
        result.addValue(14.0, series2, type6);
        result.addValue(12.0, series2, type7);
        result.addValue(11.0, series2, type8);

        return result;

    }

    /**
     * Creates a sample plot.
     * 
     * @return A sample plot.
     */
    private CombinedDomainCategoryPlot createPlot() {
        
        CategoryDataset dataset1 = createDataset1();
        NumberAxis rangeAxis1 = new NumberAxis("Value");
        rangeAxis1.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        LineAndShapeRenderer renderer1 = new LineAndShapeRenderer();
        renderer1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot1 = new CategoryPlot(dataset1, null, rangeAxis1, renderer1);
        subplot1.setDomainGridlinesVisible(true);
        
        CategoryDataset dataset2 = createDataset2();
        NumberAxis rangeAxis2 = new NumberAxis("Value");
        rangeAxis2.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
        BarRenderer renderer2 = new BarRenderer();
        renderer2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator());
        CategoryPlot subplot2 = new CategoryPlot(dataset2, null, rangeAxis2, renderer2);
        subplot2.setDomainGridlinesVisible(true);

        CategoryAxis domainAxis = new CategoryAxis("Category");
        CombinedDomainCategoryPlot plot = new CombinedDomainCategoryPlot(domainAxis);
        plot.add(subplot1, 2);
        plot.add(subplot2, 1);
        return plot;
        
    }
    
}