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jfreechart example source code file (XIntervalSeriesCollectionTests.java)

This example jfreechart source code file (XIntervalSeriesCollectionTests.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, clonenotsupportedexception, empty, illegalargumentexception, illegalargumentexception, io, objectinput, series, series, testcase, xintervalseries, xintervalseries, xintervalseriescollection, xintervalseriescollection, xintervalseriescollectiontests

The jfreechart XIntervalSeriesCollectionTests.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.]
 *
 * -----------------------------------
 * XIntervalSeriesCollectionTests.java
 * -----------------------------------
 * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
 *
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 *
 * Changes
 * -------
 * 20-Oct-2006 : Version 1 (DG);
 * 18-Jan-2008 : Added testRemoveSeries() (DG);
 * 22-Apr-2008 : Added testPublicCloneable (DG);
 *
 */

package org.jfree.data.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.data.xy.XIntervalSeries;
import org.jfree.data.xy.XIntervalSeriesCollection;
import org.jfree.util.PublicCloneable;

/**
 * Tests for the {@link XIntervalSeriesCollection} class.
 */
public class XIntervalSeriesCollectionTests extends TestCase {

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

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

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        XIntervalSeriesCollection c1 = new XIntervalSeriesCollection();
        XIntervalSeriesCollection c2 = new XIntervalSeriesCollection();
        assertEquals(c1, c2);

        // add a series
        XIntervalSeries s1 = new XIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        c1.addSeries(s1);
        assertFalse(c1.equals(c2));
        XIntervalSeries s2 = new XIntervalSeries("Series");
        s2.add(1.0, 1.1, 1.2, 1.3);
        c2.addSeries(s2);
        assertTrue(c1.equals(c2));

        // add an empty series
        c1.addSeries(new XIntervalSeries("Empty Series"));
        assertFalse(c1.equals(c2));
        c2.addSeries(new XIntervalSeries("Empty Series"));
        assertTrue(c1.equals(c2));
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        XIntervalSeriesCollection c1 = new XIntervalSeriesCollection();
        XIntervalSeries s1 = new XIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        c1.addSeries(s1);
        XIntervalSeriesCollection c2 = null;
        try {
            c2 = (XIntervalSeriesCollection) c1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(c1 != c2);
        assertTrue(c1.getClass() == c2.getClass());
        assertTrue(c1.equals(c2));

        // check independence
        s1.setDescription("XYZ");
        assertFalse(c1.equals(c2));
    }

    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        XIntervalSeriesCollection c1 = new XIntervalSeriesCollection();
        assertTrue(c1 instanceof PublicCloneable);
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        XIntervalSeriesCollection c1 = new XIntervalSeriesCollection();
        XIntervalSeries s1 = new XIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        XIntervalSeriesCollection c2 = null;

        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
            out.writeObject(c1);
            out.close();

            ObjectInput in = new ObjectInputStream(
                    new ByteArrayInputStream(buffer.toByteArray()));
            c2 = (XIntervalSeriesCollection) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(c1, c2);
    }

    /**
     * Some basic checks for the removeSeries() method.
     */
    public void testRemoveSeries() {
        XIntervalSeriesCollection c = new XIntervalSeriesCollection();
        XIntervalSeries s1 = new XIntervalSeries("s1");
        c.addSeries(s1);
        c.removeSeries(0);
        assertEquals(0, c.getSeriesCount());
        c.addSeries(s1);

        boolean pass = false;
        try {
            c.removeSeries(-1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);

        pass = false;
        try {
            c.removeSeries(1);
        }
        catch (IllegalArgumentException e) {
            pass = true;
        }
        assertTrue(pass);
    }

    /**
     * A test for bug report 1170825 (originally affected XYSeriesCollection,
     * this test is just copied over).
     */
    public void test1170825() {
        XIntervalSeries s1 = new XIntervalSeries("Series1");
        XIntervalSeriesCollection dataset = new XIntervalSeriesCollection();
        dataset.addSeries(s1);
        try {
            /* XYSeries s = */ dataset.getSeries(1);
        }
        catch (IllegalArgumentException e) {
            // correct outcome
        }
        catch (IndexOutOfBoundsException e) {
            assertTrue(false);  // wrong outcome
        }
    }

}

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