Package org.jfree.data.xy.junit

Source Code of org.jfree.data.xy.junit.YIntervalSeriesCollectionTests

/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, 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.]
*
* -----------------------------------
* YIntervalSeriesCollectionTests.java
* -----------------------------------
* (C) Copyright 2006, 2007, by Object Refinery Limited and Contributors.
*
* Original Author:  David Gilbert (for Object Refinery Limited);
* Contributor(s):   -;
*
* Changes
* -------
* 20-Oct-2006 : Version 1 (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.YIntervalSeries;
import org.jfree.data.xy.YIntervalSeriesCollection;

/**
* Tests for the {@link YIntervalSeriesCollection} class.
*/
public class YIntervalSeriesCollectionTests extends TestCase {

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

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

    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
        YIntervalSeriesCollection c2 = new YIntervalSeriesCollection();
        assertEquals(c1, c2);
       
        // add a series
        YIntervalSeries s1 = new YIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        c1.addSeries(s1);
        assertFalse(c1.equals(c2));
        YIntervalSeries s2 = new YIntervalSeries("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 YIntervalSeries("Empty Series"));
        assertFalse(c1.equals(c2));
        c2.addSeries(new YIntervalSeries("Empty Series"));
        assertTrue(c1.equals(c2));
    }

    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
        YIntervalSeries s1 = new YIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        c1.addSeries(s1);
        YIntervalSeriesCollection c2 = null;
        try {
            c2 = (YIntervalSeriesCollection) 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));
    }

    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        YIntervalSeriesCollection c1 = new YIntervalSeriesCollection();
        YIntervalSeries s1 = new YIntervalSeries("Series");
        s1.add(1.0, 1.1, 1.2, 1.3);
        YIntervalSeriesCollection 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 = (YIntervalSeriesCollection) in.readObject();
            in.close();
        }
        catch (Exception e) {
            e.printStackTrace();
        }
        assertEquals(c1, c2);
    }
   
    /**
     * A test for bug report 1170825 (originally affected XYSeriesCollection,
     * this test is just copied over).
     */
    public void test1170825() {
        YIntervalSeries s1 = new YIntervalSeries("Series1");
        YIntervalSeriesCollection dataset = new YIntervalSeriesCollection();
        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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