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jfreechart example source code file (StackedBarRenderer3DTests.java)

This example jfreechart source code file (StackedBarRenderer3DTests.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

bytearrayoutputstream, c1, c2, defaultcategorydataset, defaultcategorydataset, io, list, list, object, object, r1, r2, stackedbarrenderer3d, stackedbarrenderer3d, stackedbarrenderer3dtests, util

The jfreechart StackedBarRenderer3DTests.java source code

/* ===========================================================
 * JFreeChart : a free chart library for the Java(tm) platform
 * ===========================================================
 *
 * (C) Copyright 2000-2009, 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.]
 *
 * ------------------------------
 * StackedBarRenderer3DTests.java
 * ------------------------------
 * (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 25-Mar-2003 : Version 1 (DG);
 * 18-Jan-2007 : Added many new tests (DG);
 * 23-Apr-2008 : Added testPublicCloneable() (DG);
 * 03-Feb-2009 : Added testFindRangeBounds() (DG);
 */

package org.jfree.chart.renderer.category.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.renderer.category.StackedBarRenderer3D;
import org.jfree.data.Range;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.util.PublicCloneable;

/**
 * Tests for the {@link StackedBarRenderer3D} class.
 */
public class StackedBarRenderer3DTests extends TestCase {

    /**
     * Provide access to protected method.
     */
    static class MyRenderer extends StackedBarRenderer3D {
        public static List createStackedValueList(CategoryDataset dataset,
            Comparable category, double base, boolean asPercentages) {
            return StackedBarRenderer3D.createStackedValueList(dataset,
                    category, base, asPercentages);
        }
    }

    /**
     * Returns the tests as a test suite.
     *
     * @return The test suite.
     */
    public static Test suite() {
        return new TestSuite(StackedBarRenderer3DTests.class);
    }

    /**
     * Constructs a new set of tests.
     *
     * @param name  the name of the tests.
     */
    public StackedBarRenderer3DTests(String name) {
        super(name);
    }

    /**
     * Some checks for the findRangeBounds() method.
     */
    public void testFindRangeBounds() {
        StackedBarRenderer3D r = new StackedBarRenderer3D();
        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(0.0, 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));

        dataset.addValue(2.0, "R2", "C1");
        assertEquals(new Range(-2.0, 3.0), r.findRangeBounds(dataset));

        dataset.addValue(null, "R2", "C2");
        assertEquals(new Range(-2.0, 3.0), r.findRangeBounds(dataset));
    }

    /**
     * Check that the equals() method distinguishes all fields.
     */
    public void testEquals() {
        StackedBarRenderer3D r1 = new StackedBarRenderer3D();
        StackedBarRenderer3D r2 = new StackedBarRenderer3D();
        assertEquals(r1, r2);
    }

    /**
     * Two objects that are equal are required to return the same hashCode.
     */
    public void testHashcode() {
        StackedBarRenderer3D r1 = new StackedBarRenderer3D();
        StackedBarRenderer3D r2 = new StackedBarRenderer3D();
        assertTrue(r1.equals(r2));
        int h1 = r1.hashCode();
        int h2 = r2.hashCode();
        assertEquals(h1, h2);
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        StackedBarRenderer3D r1 = new StackedBarRenderer3D();
        StackedBarRenderer3D r2 = null;
        try {
            r2 = (StackedBarRenderer3D) r1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(r1 != r2);
        assertTrue(r1.getClass() == r2.getClass());
        assertTrue(r1.equals(r2));
    }

    /**
     * Check that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        StackedBarRenderer3D r1 = new StackedBarRenderer3D();
        assertTrue(r1 instanceof PublicCloneable);
    }

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

        StackedBarRenderer3D r1 = new StackedBarRenderer3D();
        StackedBarRenderer3D 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 = (StackedBarRenderer3D) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(r1, r2);

    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList1() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList2() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(-1.0, "s0", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(-1.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList3() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(0.0, "s0", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList4() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(null, "s0", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(0, l.size());
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList1a() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        d.addValue(1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(2.1), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList1b() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        d.addValue(-1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(-1.1), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList1c() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        d.addValue(0.0, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList1d() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        d.addValue(null, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList2a() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(-1.0, "s0", "c0");
        d.addValue(1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(-1.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(1.1), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList2b() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(-1.0, "s0", "c0");
        d.addValue(-1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(-2.1), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(-1.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList2c() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(-1.0, "s0", "c0");
        d.addValue(0.0, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(-1.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList2d() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(-1.0, "s0", "c0");
        d.addValue(null, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(-1.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList3a() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(0.0, "s0", "c0");
        d.addValue(1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(1.1), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList3b() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(0.0, "s0", "c0");
        d.addValue(-1.1, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(-1.1), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList3c() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(0.0, "s0", "c0");
        d.addValue(0.0, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(2))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList3d() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(0.0, "s0", "c0");
        d.addValue(null, "s1", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(2, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(0.0), ((Object[]) l.get(1))[1]);
    }

    /**
     * A test for the createStackedValueList() method.
     */
    public void testCreateStackedValueList5() {
        DefaultCategoryDataset d = new DefaultCategoryDataset();
        d.addValue(1.0, "s0", "c0");
        d.addValue(null, "s1", "c0");
        d.addValue(2.0, "s2", "c0");
        List l = MyRenderer.createStackedValueList(d, "c0", 0.0, false);
        assertEquals(3, l.size());
        assertEquals(new Double(0.0), ((Object[]) l.get(0))[1]);
        assertEquals(new Double(1.0), ((Object[]) l.get(1))[1]);
        assertEquals(new Double(3.0), ((Object[]) l.get(2))[1]);
    }
}

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