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jfreechart example source code file (CustomXYItemLabelGeneratorTests.java)

This example jfreechart source code file (CustomXYItemLabelGeneratorTests.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

a2, b3, bytearrayoutputstream, bytearrayoutputstream, clonenotsupportedexception, customxyitemlabelgeneratortests, customxytooltipgenerator, customxytooltipgenerator, io, list, list, objectinput, testcase, tooltip, tooltip, util

The jfreechart CustomXYItemLabelGeneratorTests.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.]
 *
 * ------------------------------------
 * CustomXYItemLabelGeneratorTests.java
 * ------------------------------------
 * (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 23-Mar-2003 : Version 1 (DG);
 * 13-Aug-2003 : Added cloning tests (DG);
 * 23-Apr-2008 : Added testPublicCloneable() (DG);
 *
 */

package org.jfree.chart.labels.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.labels.CustomXYToolTipGenerator;
import org.jfree.util.PublicCloneable;

/**
 * Tests for the {@link CustomXYToolTipGenerator} class.
 */
public class CustomXYItemLabelGeneratorTests extends TestCase {

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

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

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        CustomXYToolTipGenerator g1 = new CustomXYToolTipGenerator();
        CustomXYToolTipGenerator g2 = null;
        try {
            g2 = (CustomXYToolTipGenerator) g1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(g1 != g2);
        assertTrue(g1.getClass() == g2.getClass());
        assertTrue(g1.equals(g2));
    }

    /**
     * Check to ensure that this class implements PublicCloneable.
     */
    public void testPublicCloneable() {
        CustomXYToolTipGenerator g1 = new CustomXYToolTipGenerator();
        assertTrue(g1 instanceof PublicCloneable);
    }

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

        List t1 = new java.util.ArrayList();
        t1.add("Tooltip A1");
        t1.add("Tooltip A2");
        t1.add("Tooltip A3");

        List t2 = new java.util.ArrayList();
        t2.add("Tooltip B1");
        t2.add("Tooltip B2");
        t2.add("Tooltip B3");

        CustomXYToolTipGenerator g1 = new CustomXYToolTipGenerator();
        g1.addToolTipSeries(t1);
        g1.addToolTipSeries(t2);
        CustomXYToolTipGenerator g2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(g1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            g2 = (CustomXYToolTipGenerator) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(g1, g2);

    }

}

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