jfreechart example source code file (YIntervalRendererTests.java)

This example jfreechart source code file (YIntervalRendererTests.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

abc, io, s5, standardxyitemlabelgenerator, standardxyitemlabelgenerator, standardxyserieslabelgenerator, standardxytooltipgenerator, standardxytooltipgenerator, x, xytextannotation, yintervalrenderer, yintervalrenderer, yintervalseries, yintervalseries, yintervalseriescollection

The jfreechart YIntervalRendererTests.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.]
 *
 * ---------------------------
 * YIntervalRendererTests.java
 * ---------------------------
 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 25-Mar-2003 : Version 1 (DG);
 * 20-Feb-2007 : Extended the testEquals() checks (DG);
 * 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG);
 * 22-Apr-2008 : Added testPublicCloneable() (DG);
 * 26-May-2008 : Extended testEquals() (DG);
 *
 */

package org.jfree.chart.renderer.xy.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 junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;

import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItem;
import org.jfree.chart.annotations.XYTextAnnotation;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.labels.IntervalXYItemLabelGenerator;
import org.jfree.chart.labels.StandardXYItemLabelGenerator;
import org.jfree.chart.labels.StandardXYSeriesLabelGenerator;
import org.jfree.chart.labels.StandardXYToolTipGenerator;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.YIntervalRenderer;
import org.jfree.chart.urls.StandardXYURLGenerator;
import org.jfree.data.xy.YIntervalSeries;
import org.jfree.data.xy.YIntervalSeriesCollection;
import org.jfree.ui.Layer;
import org.jfree.util.PublicCloneable;

/**
 * Tests for the {@link YIntervalRenderer} class.
 */
public class YIntervalRendererTests extends TestCase {

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

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

    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        YIntervalRenderer r1 = new YIntervalRenderer();
        YIntervalRenderer r2 = new YIntervalRenderer();
        assertEquals(r1, r2);

        // the following fields are inherited from the AbstractXYItemRenderer
        r1.setItemLabelGenerator(new StandardXYItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setItemLabelGenerator(new StandardXYItemLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setSeriesItemLabelGenerator(0, new StandardXYItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesItemLabelGenerator(0, new StandardXYItemLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setBaseItemLabelGenerator(new StandardXYItemLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setToolTipGenerator(new StandardXYToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setToolTipGenerator(new StandardXYToolTipGenerator());
        assertTrue(r1.equals(r2));

        r1.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertTrue(r1.equals(r2));

        r1.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setBaseToolTipGenerator(new StandardXYToolTipGenerator());
        assertTrue(r1.equals(r2));

        r1.setURLGenerator(new StandardXYURLGenerator());
        assertFalse(r1.equals(r2));
        r2.setURLGenerator(new StandardXYURLGenerator());
        assertTrue(r1.equals(r2));

        r1.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.FOREGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.FOREGROUND);
        assertTrue(r1.equals(r2));

        r1.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.BACKGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("X", 1.0, 2.0), Layer.BACKGROUND);
        assertTrue(r1.equals(r2));

        r1.setDefaultEntityRadius(99);
        assertFalse(r1.equals(r2));
        r2.setDefaultEntityRadius(99);
        assertTrue(r1.equals(r2));

        r1.setLegendItemLabelGenerator(new StandardXYSeriesLabelGenerator(
                "{0} {1}"));
        assertFalse(r1.equals(r2));
        r2.setLegendItemLabelGenerator(new StandardXYSeriesLabelGenerator(
                "{0} {1}"));
        assertTrue(r1.equals(r2));

        r1.setLegendItemToolTipGenerator(new StandardXYSeriesLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setLegendItemToolTipGenerator(new StandardXYSeriesLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setLegendItemURLGenerator(new StandardXYSeriesLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setLegendItemURLGenerator(new StandardXYSeriesLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setAdditionalItemLabelGenerator(new IntervalXYItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setAdditionalItemLabelGenerator(new IntervalXYItemLabelGenerator());
        assertTrue(r1.equals(r2));

    }

    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        YIntervalRenderer r1 = new YIntervalRenderer();
        YIntervalRenderer r2 = new YIntervalRenderer();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        YIntervalRenderer r1 = new YIntervalRenderer();
        YIntervalRenderer r2 = null;
        try {
            r2 = (YIntervalRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        // check independence
        r1.setSeriesItemLabelGenerator(0, new StandardXYItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesItemLabelGenerator(0, new StandardXYItemLabelGenerator());
        assertTrue(r1.equals(r2));

        r1.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesToolTipGenerator(0, new StandardXYToolTipGenerator());
        assertTrue(r1.equals(r2));

        r1.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.FOREGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.FOREGROUND);
        assertTrue(r1.equals(r2));

        r1.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.BACKGROUND);
        assertFalse(r1.equals(r2));
        r2.addAnnotation(new XYTextAnnotation("ABC", 1.0, 2.0),
                Layer.BACKGROUND);
        assertTrue(r1.equals(r2));

    }

    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        YIntervalRenderer r1 = new YIntervalRenderer();
        assertTrue(r1 instanceof PublicCloneable);
    }

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

        YIntervalRenderer r1 = new YIntervalRenderer();
        YIntervalRenderer r2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(r1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            r2 = (YIntervalRenderer) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(r1, r2);

    }

    /**
     * A check for the datasetIndex and seriesIndex fields in the LegendItem
     * returned by the getLegendItem() method.
     */
    public void testGetLegendItemSeriesIndex() {
        YIntervalSeriesCollection d1 = new YIntervalSeriesCollection();
        YIntervalSeries s1 = new YIntervalSeries("S1");
        s1.add(1.0, 1.1, 1.2, 1.3);
        YIntervalSeries s2 = new YIntervalSeries("S2");
        s2.add(1.0, 1.1, 1.2, 1.3);
        d1.addSeries(s1);
        d1.addSeries(s2);

        YIntervalSeriesCollection d2 = new YIntervalSeriesCollection();
        YIntervalSeries s3 = new YIntervalSeries("S3");
        s3.add(1.0, 1.1, 1.2, 1.3);
        YIntervalSeries s4 = new YIntervalSeries("S4");
        s4.add(1.0, 1.1, 1.2, 1.3);
        YIntervalSeries s5 = new YIntervalSeries("S5");
        s5.add(1.0, 1.1, 1.2, 1.3);
        d2.addSeries(s3);
        d2.addSeries(s4);
        d2.addSeries(s5);

        YIntervalRenderer r = new YIntervalRenderer();
        XYPlot plot = new XYPlot(d1, new NumberAxis("x"),
                new NumberAxis("y"), r);
        plot.setDataset(1, d2);
        /*JFreeChart chart =*/ new JFreeChart(plot);
        LegendItem li = r.getLegendItem(1, 2);
        assertEquals("S5", li.getLabel());
        assertEquals(1, li.getDatasetIndex());
        assertEquals(2, li.getSeriesIndex());
    }

}