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jfreechart example source code file (SpiderWebPlotTests.java)

This example jfreechart source code file (SpiderWebPlotTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - jfreechart tags/keywords

awt, bufferedimage, bytearrayoutputstream, decimalformat, defaultcategorydataset, defaultcategorydataset, exception, font, geometry, image, io, jfreechart, rectangle, s1, s1, spiderwebplot, spiderwebplot, standardcategoryitemlabelgenerator, text

The jfreechart SpiderWebPlotTests.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2008, 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.]
 *
 * -----------------------
 * SpiderWebPlotTests.java
 * -----------------------
 * (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 10-Jun-2005 : Version 1 (DG);
 * 01-Jun-2006 : Added testDrawWithNullInfo() method (DG);
 * 05-Feb-2007 : Added more checks to testCloning (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.Graphics2D;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
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.text.DecimalFormat;

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

import org.jfree.chart.JFreeChart;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.SpiderWebPlot;
import org.jfree.chart.urls.StandardCategoryURLGenerator;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.util.Rotation;
import org.jfree.util.TableOrder;

/**
 * Tests for the {@link SpiderWebPlot} class.
 */
public class SpiderWebPlotTests extends TestCase {

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

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

    /**
     * Some checks for the equals() method.
     */
    public void testEquals() {
        SpiderWebPlot p1 = new SpiderWebPlot(new DefaultCategoryDataset());
        SpiderWebPlot p2 = new SpiderWebPlot(new DefaultCategoryDataset());
        assertTrue(p1.equals(p2));
        assertTrue(p2.equals(p1));

        // dataExtractOrder
        p1.setDataExtractOrder(TableOrder.BY_COLUMN);
        assertFalse(p1.equals(p2));
        p2.setDataExtractOrder(TableOrder.BY_COLUMN);
        assertTrue(p1.equals(p2));

        // headPercent
        p1.setHeadPercent(0.321);
        assertFalse(p1.equals(p2));
        p2.setHeadPercent(0.321);
        assertTrue(p1.equals(p2));

        // interiorGap
        p1.setInteriorGap(0.123);
        assertFalse(p1.equals(p2));
        p2.setInteriorGap(0.123);
        assertTrue(p1.equals(p2));

        // startAngle
        p1.setStartAngle(0.456);
        assertFalse(p1.equals(p2));
        p2.setStartAngle(0.456);
        assertTrue(p1.equals(p2));

        // direction
        p1.setDirection(Rotation.ANTICLOCKWISE);
        assertFalse(p1.equals(p2));
        p2.setDirection(Rotation.ANTICLOCKWISE);
        assertTrue(p1.equals(p2));

        // maxValue
        p1.setMaxValue(123.4);
        assertFalse(p1.equals(p2));
        p2.setMaxValue(123.4);
        assertTrue(p1.equals(p2));

        // legendItemShape
        p1.setLegendItemShape(new Rectangle(1, 2, 3, 4));
        assertFalse(p1.equals(p2));
        p2.setLegendItemShape(new Rectangle(1, 2, 3, 4));
        assertTrue(p1.equals(p2));

        // seriesPaint
        p1.setSeriesPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertFalse(p1.equals(p2));
        p2.setSeriesPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.white));
        assertTrue(p1.equals(p2));

        // seriesPaintList
        p1.setSeriesPaint(1, new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.white));
        assertFalse(p1.equals(p2));
        p2.setSeriesPaint(1, new GradientPaint(1.0f, 2.0f, Color.yellow,
                3.0f, 4.0f, Color.white));
        assertTrue(p1.equals(p2));

        // baseSeriesPaint
        p1.setBaseSeriesPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.black));
        assertFalse(p1.equals(p2));
        p2.setBaseSeriesPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.black));
        assertTrue(p1.equals(p2));

        // seriesOutlinePaint
        p1.setSeriesOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.black));
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.black));
        assertTrue(p1.equals(p2));

        // seriesOutlinePaintList
        p1.setSeriesOutlinePaint(1, new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.green));
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlinePaint(1, new GradientPaint(1.0f, 2.0f, Color.blue,
                3.0f, 4.0f, Color.green));
        assertTrue(p1.equals(p2));

        // baseSeriesOutlinePaint
        p1.setBaseSeriesOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.green));
        assertFalse(p1.equals(p2));
        p2.setBaseSeriesOutlinePaint(new GradientPaint(1.0f, 2.0f, Color.cyan,
                3.0f, 4.0f, Color.green));
        assertTrue(p1.equals(p2));

        // seriesOutlineStroke
        BasicStroke s = new BasicStroke(1.23f);
        p1.setSeriesOutlineStroke(s);
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlineStroke(s);
        assertTrue(p1.equals(p2));

        // seriesOutlineStrokeList
        p1.setSeriesOutlineStroke(1, s);
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlineStroke(1, s);
        assertTrue(p1.equals(p2));

        // baseSeriesOutlineStroke
        p1.setBaseSeriesOutlineStroke(s);
        assertFalse(p1.equals(p2));
        p2.setBaseSeriesOutlineStroke(s);
        assertTrue(p1.equals(p2));

        // webFilled
        p1.setWebFilled(false);
        assertFalse(p1.equals(p2));
        p2.setWebFilled(false);
        assertTrue(p1.equals(p2));

        // axisLabelGap
        p1.setAxisLabelGap(0.11);
        assertFalse(p1.equals(p2));
        p2.setAxisLabelGap(0.11);
        assertTrue(p1.equals(p2));

        // labelFont
        p1.setLabelFont(new Font("Serif", Font.PLAIN, 9));
        assertFalse(p1.equals(p2));
        p2.setLabelFont(new Font("Serif", Font.PLAIN, 9));
        assertTrue(p1.equals(p2));

        // labelPaint
        p1.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        assertFalse(p1.equals(p2));
        p2.setLabelPaint(new GradientPaint(1.0f, 2.0f, Color.red,
                3.0f, 4.0f, Color.blue));
        assertTrue(p1.equals(p2));

        // labelGenerator
        p1.setLabelGenerator(new StandardCategoryItemLabelGenerator("XYZ: {0}",
                new DecimalFormat("0.000")));
        assertFalse(p1.equals(p2));
        p2.setLabelGenerator(new StandardCategoryItemLabelGenerator("XYZ: {0}",
                new DecimalFormat("0.000")));
        assertTrue(p1.equals(p2));

        // toolTipGenerator
        p1.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        assertFalse(p1.equals(p2));
        p2.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        assertTrue(p1.equals(p2));

        // urlGenerator
        p1.setURLGenerator(new StandardCategoryURLGenerator());
        assertFalse(p1.equals(p2));
        p2.setURLGenerator(new StandardCategoryURLGenerator());
        assertTrue(p1.equals(p2));

        // axisLinePaint
        p1.setAxisLinePaint(Color.red);
        assertFalse(p1.equals(p2));
        p2.setAxisLinePaint(Color.red);
        assertTrue(p1.equals(p2));

        // axisLineStroke
        p1.setAxisLineStroke(new BasicStroke(1.1f));
        assertFalse(p1.equals(p2));
        p2.setAxisLineStroke(new BasicStroke(1.1f));
        assertTrue(p1.equals(p2));
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        SpiderWebPlot p1 = new SpiderWebPlot(new DefaultCategoryDataset());
        Rectangle2D legendShape = new Rectangle2D.Double(1.0, 2.0, 3.0, 4.0);
        p1.setLegendItemShape(legendShape);
        SpiderWebPlot p2 = null;
        try {
            p2 = (SpiderWebPlot) p1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(p1 != p2);
        assertTrue(p1.getClass() == p2.getClass());
        assertTrue(p1.equals(p2));

        // change the legendItemShape
        legendShape.setRect(4.0, 3.0, 2.0, 1.0);
        assertFalse(p1.equals(p2));
        p2.setLegendItemShape(legendShape);
        assertTrue(p1.equals(p2));

        // change a series paint
        p1.setSeriesPaint(1, Color.black);
        assertFalse(p1.equals(p2));
        p2.setSeriesPaint(1, Color.black);
        assertTrue(p1.equals(p2));

        // change a series outline paint
        p1.setSeriesOutlinePaint(0, Color.red);
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlinePaint(0, Color.red);
        assertTrue(p1.equals(p2));

        // change a series outline stroke
        p1.setSeriesOutlineStroke(0, new BasicStroke(1.1f));
        assertFalse(p1.equals(p2));
        p2.setSeriesOutlineStroke(0, new BasicStroke(1.1f));
        assertTrue(p1.equals(p2));

    }

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

        SpiderWebPlot p1 = new SpiderWebPlot(new DefaultCategoryDataset());
        SpiderWebPlot 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 = (SpiderWebPlot) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(p1, p2);

    }

    /**
     * Draws the chart with a null info object to make sure that no exceptions
     * are thrown.
     */
    public void testDrawWithNullInfo() {
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        dataset.addValue(35.0, "S1", "C1");
        dataset.addValue(45.0, "S1", "C2");
        dataset.addValue(55.0, "S1", "C3");
        dataset.addValue(15.0, "S1", "C4");
        dataset.addValue(25.0, "S1", "C5");
        SpiderWebPlot plot = new SpiderWebPlot(dataset);
        JFreeChart chart = new JFreeChart(plot);
        boolean success = false;
        try {
            BufferedImage image = new BufferedImage(200 , 100,
                    BufferedImage.TYPE_INT_RGB);
            Graphics2D g2 = image.createGraphics();
            chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
            g2.dispose();
            success = true;
        }
        catch (Exception e) {
            success = false;
        }
        assertTrue(success);
    }

}

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