/* ===========================================================
* 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.]
*
* --------------------
* XYDataItemTests.java
* --------------------
* (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Dec-2003 : 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.XYDataItem;
/**
* Tests for the {@link XYDataItem} class.
*/
public class XYDataItemTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(XYDataItemTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public XYDataItemTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
XYDataItem i1 = new XYDataItem(1.0, 1.1);
XYDataItem i2 = new XYDataItem(1.0, 1.1);
assertTrue(i1.equals(i2));
assertTrue(i2.equals(i1));
i1.setY(new Double(9.9));
assertFalse(i1.equals(i2));
i2.setY(new Double(9.9));
assertTrue(i1.equals(i2));
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
XYDataItem i1 = new XYDataItem(1.0, 1.1);
XYDataItem i2 = null;
try {
i2 = (XYDataItem) i1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("XYDataItemTests.testCloning: failed to clone.");
}
assertTrue(i1 != i2);
assertTrue(i1.getClass() == i2.getClass());
assertTrue(i1.equals(i2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
XYDataItem i1 = new XYDataItem(1.0, 1.1);
XYDataItem i2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(i1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
i2 = (XYDataItem) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(i1, i2);
}
}