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jfreechart example source code file (DomainOrderTests.java)

This example jfreechart source code file (DomainOrderTests.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, bytearrayoutputstream, domainorder, domainorder, domainordertests, domainordertests, exception, io, objectinput, objectinputstream, objectoutput, objectoutputstream, test, test, testcase

The jfreechart DomainOrderTests.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.]
 * ---------------------
 * DomainOrderTests.java
 * ---------------------
 * (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
 * Original Author:  David Gilbert (for Object Refinery Limited);
 * Contributor(s):   -;
 * Changes
 * -------
 * 19-May-2005 : Version 1 (DG);

package org.jfree.data.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.DomainOrder;

 * Tests for the {@link DomainOrder} class.
public class DomainOrderTests extends TestCase {

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

     * Constructs a new set of tests.
     * @param name  the name of the tests.
    public DomainOrderTests(String name) {

     * Some checks for the equals() method.
    public void testEquals() {
        assertEquals(DomainOrder.NONE, DomainOrder.NONE);
        assertEquals(DomainOrder.ASCENDING, DomainOrder.ASCENDING);
        assertEquals(DomainOrder.DESCENDING, DomainOrder.DESCENDING);

     * Two objects that are equal are required to return the same hashCode.
    public void testHashCode() {
        DomainOrder d1 = DomainOrder.ASCENDING;
        DomainOrder d2 = DomainOrder.ASCENDING;
        int h1 = d1.hashCode();
        int h2 = d2.hashCode();
        assertEquals(h1, h2);

     * Serialize an instance, restore it, and check for equality.
    public void testSerialization() {
        DomainOrder d1 = DomainOrder.ASCENDING;
        DomainOrder d2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);

            ObjectInput in = new ObjectInputStream(
                new ByteArrayInputStream(buffer.toByteArray())
            d2 = (DomainOrder) in.readObject();
        catch (Exception e) {
        assertEquals(d1, d2);
        boolean same = d1 == d2;
        assertEquals(true, same);


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