categoryplottests.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.]
 *
 * ----------------------
 * CategoryPlotTests.java
 * ----------------------
 * (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * $Id: CategoryPlotTests.java,v 1.8.2.2 2005/10/25 20:52:35 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.GradientPaint;
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.IntervalMarker;
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.CategoryItemRenderer;
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.RectangleInsets;
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 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 - 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(new GradientPaint(1.0f, 2.0f, Color.blue, 
                3.0f, 4.0f, Color.yellow));
        assertFalse(plot1.equals(plot2));
        plot2.setDomainGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue, 
                3.0f, 4.0f, Color.yellow));
        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.yellow));
        assertFalse(plot1.equals(plot2));
        plot2.setRangeGridlinePaint(new GradientPaint(1.0f, 2.0f, Color.green, 
                3.0f, 4.0f, Color.yellow));
        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(new GradientPaint(1.0f, 2.0f, Color.white, 
                3.0f, 4.0f, Color.yellow));
        assertFalse(plot1.equals(plot2));
        plot2.setRangeCrosshairPaint(new GradientPaint(1.0f, 2.0f, Color.white, 
                3.0f, 4.0f, Color.yellow));
        assertTrue(plot1.equals(plot2));
        
        // rangeCrosshairLockedOnData
        plot1.setRangeCrosshairLockedOnData(false);
        assertFalse(plot1.equals(plot2));
        plot2.setRangeCrosshairLockedOnData(false);