/* ===========================================================
* 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.]
*
* --------------------------------------
* StandardXYItemLabelGeneratorTests.java
* --------------------------------------
* (C) Copyright 2003-2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Mar-2003 : Version 1 (DG);
* 26-Feb-2004 : Updates for new code (DG);
* 20-Jan-2006 : Renamed StandardXYItemLabelGeneratorTests.java (DG);
* 25-Jan-2007 : Added independence checks to testCloning() (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.DateFormat;
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.StandardXYItemLabelGenerator;
/**
* Tests for the {@link StandardXYItemLabelGenerator} class.
*/
public class StandardXYItemLabelGeneratorTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(StandardXYItemLabelGeneratorTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public StandardXYItemLabelGeneratorTests(String name) {
super(name);
}
/**
* A series of tests for the equals() method.
*/
public void testEquals() {
// some setup...
String f1 = "{1}";
String f2 = "{2}";
NumberFormat xnf1 = new DecimalFormat("0.00");
NumberFormat xnf2 = new DecimalFormat("0.000");
NumberFormat ynf1 = new DecimalFormat("0.00");
NumberFormat ynf2 = new DecimalFormat("0.000");
StandardXYItemLabelGenerator g1 = null;
StandardXYItemLabelGenerator g2 = null;
g1 = new StandardXYItemLabelGenerator(f1, xnf1, ynf1);
g2 = new StandardXYItemLabelGenerator(f1, xnf1, ynf1);
assertTrue(g1.equals(g2));
assertTrue(g2.equals(g1));
g1 = new StandardXYItemLabelGenerator(f2, xnf1, ynf1);
assertFalse(g1.equals(g2));
g2 = new StandardXYItemLabelGenerator(f2, xnf1, ynf1);
assertTrue(g1.equals(g2));
g1 = new StandardXYItemLabelGenerator(f2, xnf2, ynf1);
assertFalse(g1.equals(g2));
g2 = new StandardXYItemLabelGenerator(f2, xnf2, ynf1);
assertTrue(g1.equals(g2));
g1 = new StandardXYItemLabelGenerator(f2, xnf2, ynf2);
assertFalse(g1.equals(g2));
g2 = new StandardXYItemLabelGenerator(f2, xnf2, ynf2);
assertTrue(g1.equals(g2));
DateFormat xdf1 = new SimpleDateFormat("d-MMM");
DateFormat xdf2 = new SimpleDateFormat("d-MMM-yyyy");
DateFormat ydf1 = new SimpleDateFormat("d-MMM");
DateFormat ydf2 = new SimpleDateFormat("d-MMM-yyyy");
g1 = new StandardXYItemLabelGenerator(f1, xdf1, ydf1);
g2 = new StandardXYItemLabelGenerator(f1, xdf1, ydf1);
assertTrue(g1.equals(g2));
assertTrue(g2.equals(g1));
g1 = new StandardXYItemLabelGenerator(f1, xdf2, ydf1);
assertFalse(g1.equals(g2));
g2 = new StandardXYItemLabelGenerator(f1, xdf2, ydf1);
assertTrue(g1.equals(g2));
g1 = new StandardXYItemLabelGenerator(f1, xdf2, ydf2);
assertFalse(g1.equals(g2));
g2 = new StandardXYItemLabelGenerator(f1, xdf2, ydf2);
assertTrue(g1.equals(g2));
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
StandardXYItemLabelGenerator g1 = new StandardXYItemLabelGenerator();
StandardXYItemLabelGenerator g2 = null;
try {
g2 = (StandardXYItemLabelGenerator) g1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(g1 != g2);
assertTrue(g1.getClass() == g2.getClass());
assertTrue(g1.equals(g2));
// check independence
g1.getXFormat().setMinimumIntegerDigits(2);
assertFalse(g1.equals(g2));
g2.getXFormat().setMinimumIntegerDigits(2);
assertTrue(g1.equals(g2));
g1.getYFormat().setMinimumIntegerDigits(2);
assertFalse(g1.equals(g2));
g2.getYFormat().setMinimumIntegerDigits(2);
assertTrue(g1.equals(g2));
// another test...
g1 = new StandardXYItemLabelGenerator("{0} {1} {2}",
DateFormat.getInstance(), DateFormat.getInstance());
try {
g2 = (StandardXYItemLabelGenerator) g1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(g1 != g2);
assertTrue(g1.getClass() == g2.getClass());
assertTrue(g1.equals(g2));
// check independence
g1.getXDateFormat().setNumberFormat(new DecimalFormat("0.000"));
assertFalse(g1.equals(g2));
g2.getXDateFormat().setNumberFormat(new DecimalFormat("0.000"));
assertTrue(g1.equals(g2));
g1.getYDateFormat().setNumberFormat(new DecimalFormat("0.000"));
assertFalse(g1.equals(g2));
g2.getYDateFormat().setNumberFormat(new DecimalFormat("0.000"));
assertTrue(g1.equals(g2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
StandardXYItemLabelGenerator g1 = new StandardXYItemLabelGenerator();
StandardXYItemLabelGenerator 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 = (StandardXYItemLabelGenerator) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(g1, g2);
}
}