/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* -----------------------------------
* HighLowItemLabelGeneratorTests.java
* -----------------------------------
* (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: HighLowItemLabelGeneratorTests.java,v 1.1 2004/08/31 14:37:05 mungady Exp $
*
* Changes
* -------
* 18-Mar-2003 : Version 1 (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.text.DecimalFormat;
import java.text.NumberFormat;
import java.text.SimpleDateFormat;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.labels.HighLowItemLabelGenerator;
/**
* Tests for the {@link HighLowItemLabelGenerator} class.
*/
public class HighLowItemLabelGeneratorTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(HighLowItemLabelGeneratorTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public HighLowItemLabelGeneratorTests(String name) {
super(name);
}
/**
* Tests that the equals method can distinguish all fields.
*/
public void testEquals() {
HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
HighLowItemLabelGenerator g2 = new HighLowItemLabelGenerator();
assertTrue(g1.equals(g2));
assertTrue(g2.equals(g1));
g1 = new HighLowItemLabelGenerator(
new SimpleDateFormat("d-MMM-yyyy"), NumberFormat.getInstance()
);
assertFalse(g1.equals(g2));
g2 = new HighLowItemLabelGenerator(
new SimpleDateFormat("d-MMM-yyyy"), NumberFormat.getInstance()
);
assertTrue(g1.equals(g2));
g1 = new HighLowItemLabelGenerator(
new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.000")
);
assertFalse(g1.equals(g2));
g2 = new HighLowItemLabelGenerator(
new SimpleDateFormat("d-MMM-yyyy"), new DecimalFormat("0.000")
);
assertTrue(g1.equals(g2));
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
HighLowItemLabelGenerator g2 = null;
try {
g2 = (HighLowItemLabelGenerator) g1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(g1 != g2);
assertTrue(g1.getClass() == g2.getClass());
assertTrue(g1.equals(g2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
HighLowItemLabelGenerator g1 = new HighLowItemLabelGenerator();
HighLowItemLabelGenerator 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 = (HighLowItemLabelGenerator) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(g1, g2);
}
}