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jfreechart example source code file (AbstractCategoryItemRendererTests.java)

This example jfreechart source code file (AbstractCategoryItemRendererTests.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

abstractcategoryitemrenderer, barrenderer, barrenderer, clonenotsupportedexception, clonenotsupportedexception, intervalcategoryitemlabelgenerator, r1, series, standardcategoryitemlabelgenerator, standardcategoryitemlabelgenerator, standardcategoryserieslabelgenerator, standardcategoryserieslabelgenerator, standardcategorytooltipgenerator, standardcategoryurlgenerator, text

The jfreechart AbstractCategoryItemRendererTests.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.]
 *
 * --------------------------------------
 * AbstractCategoryItemRendererTests.java
 * --------------------------------------
 * (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 12-Feb-2004 : Version 1 (DG);
 * 24-Nov-2006 : New cloning tests (DG);
 * 07-Dec-2006 : Added testEquals() method (DG);
 * 25-Nov-2008 : Added testFindRangeBounds() (DG);
 *
 */

package org.jfree.chart.renderer.category.junit;

import java.text.NumberFormat;

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

import org.jfree.chart.labels.IntervalCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategorySeriesLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.renderer.category.AbstractCategoryItemRenderer;
import org.jfree.chart.renderer.category.BarRenderer;
import org.jfree.chart.renderer.category.LineAndShapeRenderer;
import org.jfree.chart.urls.StandardCategoryURLGenerator;
import org.jfree.data.Range;
import org.jfree.data.category.DefaultCategoryDataset;

/**
 * Tests for the {@link AbstractCategoryItemRenderer} class.
 */
public class AbstractCategoryItemRendererTests extends TestCase {

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

    /**
     * Checks that all fields are distinguished.
     */
    public void testEquals() {
        BarRenderer r1 = new BarRenderer();
        BarRenderer r2 = new BarRenderer();
        assertEquals(r1, r2);

        // the plot field is NOT tested

        // toolTipGenerator
        r1.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setToolTipGenerator(new StandardCategoryToolTipGenerator());
        assertTrue(r1.equals(r2));

        // toolTipGeneratorList
        r1.setSeriesToolTipGenerator(1, new StandardCategoryToolTipGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesToolTipGenerator(1, new StandardCategoryToolTipGenerator());
        assertTrue(r1.equals(r2));

        // baseToolTipGenerator
        r1.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator("{2}",
                NumberFormat.getInstance()));
        assertFalse(r1.equals(r2));
        r2.setBaseToolTipGenerator(new StandardCategoryToolTipGenerator("{2}",
                NumberFormat.getInstance()));
        assertTrue(r1.equals(r2));

        // itemLabelGenerator
        r1.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        assertTrue(r1.equals(r2));

        // itemLabelGeneratorList
        r1.setSeriesItemLabelGenerator(1,
                new StandardCategoryItemLabelGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesItemLabelGenerator(1,
                new StandardCategoryItemLabelGenerator());
        assertTrue(r1.equals(r2));

        // baseItemLabelGenerator
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator(
                "{2}", NumberFormat.getInstance()));
        assertFalse(r1.equals(r2));
        r2.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator(
                "{2}", NumberFormat.getInstance()));
        assertTrue(r1.equals(r2));

        // urlGenerator
        r1.setItemURLGenerator(new StandardCategoryURLGenerator());
        assertFalse(r1.equals(r2));
        r2.setItemURLGenerator(new StandardCategoryURLGenerator());
        assertTrue(r1.equals(r2));

        // urlGeneratorList
        r1.setSeriesItemURLGenerator(1, new StandardCategoryURLGenerator());
        assertFalse(r1.equals(r2));
        r2.setSeriesItemURLGenerator(1, new StandardCategoryURLGenerator());
        assertTrue(r1.equals(r2));

        // baseItemURLGenerator
        r1.setBaseItemURLGenerator(new StandardCategoryURLGenerator(
                "abc.html"));
        assertFalse(r1.equals(r2));
        r2.setBaseItemURLGenerator(new StandardCategoryURLGenerator(
                "abc.html"));
        assertTrue(r1.equals(r2));

        // legendItemLabelGenerator
        r1.setLegendItemLabelGenerator(new StandardCategorySeriesLabelGenerator(
                "XYZ"));
        assertFalse(r1.equals(r2));
        r2.setLegendItemLabelGenerator(new StandardCategorySeriesLabelGenerator(
                "XYZ"));
        assertTrue(r1.equals(r2));

        // legendItemToolTipGenerator
        r1.setLegendItemToolTipGenerator(
                new StandardCategorySeriesLabelGenerator("ToolTip"));
        assertFalse(r1.equals(r2));
        r2.setLegendItemToolTipGenerator(
                new StandardCategorySeriesLabelGenerator("ToolTip"));
        assertTrue(r1.equals(r2));

        // legendItemURLGenerator
        r1.setLegendItemURLGenerator(
                new StandardCategorySeriesLabelGenerator("URL"));
        assertFalse(r1.equals(r2));
        r2.setLegendItemURLGenerator(
                new StandardCategorySeriesLabelGenerator("URL"));
        assertTrue(r1.equals(r2));
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning1() {
        AbstractCategoryItemRenderer r1 = new BarRenderer();
        r1.setItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        AbstractCategoryItemRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setSeriesItemLabelGenerator(0,
                new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setBaseItemLabelGenerator(new StandardCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning2() {
        BarRenderer r1 = new BarRenderer();
        r1.setItemLabelGenerator(new IntervalCategoryItemLabelGenerator());
        BarRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setSeriesItemLabelGenerator(0,
                new IntervalCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        r1 = new BarRenderer();
        r1.setBaseItemLabelGenerator(new IntervalCategoryItemLabelGenerator());
        r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

    /**
     * Check that the legendItemLabelGenerator is cloned.
     */
    public void testCloning_LegendItemLabelGenerator() {
        StandardCategorySeriesLabelGenerator generator
                = new StandardCategorySeriesLabelGenerator("Series {0}");
        BarRenderer r1 = new BarRenderer();
        r1.setLegendItemLabelGenerator(generator);
        BarRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        // check that the generator has been cloned
        assertTrue(r1.getLegendItemLabelGenerator()
                != r2.getLegendItemLabelGenerator());
    }

    /**
     * Check that the legendItemToolTipGenerator is cloned.
     */
    public void testCloning_LegendItemToolTipGenerator() {
        StandardCategorySeriesLabelGenerator generator
                = new StandardCategorySeriesLabelGenerator("Series {0}");
        BarRenderer r1 = new BarRenderer();
        r1.setLegendItemToolTipGenerator(generator);
        BarRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        // check that the generator has been cloned
        assertTrue(r1.getLegendItemToolTipGenerator()
                != r2.getLegendItemToolTipGenerator());
    }

    /**
     * Check that the legendItemURLGenerator is cloned.
     */
    public void testCloning_LegendItemURLGenerator() {
        StandardCategorySeriesLabelGenerator generator
                = new StandardCategorySeriesLabelGenerator("Series {0}");
        BarRenderer r1 = new BarRenderer();
        r1.setLegendItemURLGenerator(generator);
        BarRenderer r2 = null;
        try {
            r2 = (BarRenderer) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));

        // check that the generator has been cloned
        assertTrue(r1.getLegendItemURLGenerator()
                != r2.getLegendItemURLGenerator());
    }

    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        AbstractCategoryItemRenderer r = new LineAndShapeRenderer();
        assertNull(r.findRangeBounds(null));

        // an empty dataset should return a null range
        DefaultCategoryDataset dataset = new DefaultCategoryDataset();
        assertNull(r.findRangeBounds(dataset));

        dataset.addValue(1.0, "R1", "C1");
        assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(-2.0, "R1", "C2");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));

        dataset.addValue(null, "R1", "C3");
        assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
    }

}

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