/* ===========================================================
* 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.]
*
* --------------------------------------------
* StandardCategoryItemLabelGeneratorTests.java
* --------------------------------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 21-Mar-2003 : Version 1 (DG);
* 13-Aug-2003 : Added cloning tests (DG);
* 11-May-2004 : Renamed class (DG);
* 23-Apr-2008 : Added testPublicCloneable() (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.SimpleDateFormat;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.data.category.DefaultCategoryDataset;
import org.jfree.util.PublicCloneable;
/**
* Tests for the {@link StandardCategoryItemLabelGenerator} class.
*/
public class StandardCategoryItemLabelGeneratorTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(StandardCategoryItemLabelGeneratorTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public StandardCategoryItemLabelGeneratorTests(String name) {
super(name);
}
/**
* Some checks for the generalLabel() method.
*/
public void testGenerateLabel() {
StandardCategoryItemLabelGenerator g
= new StandardCategoryItemLabelGenerator("{2}",
new DecimalFormat("0.000"));
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(1.0, "R0", "C0");
dataset.addValue(2.0, "R0", "C1");
dataset.addValue(3.0, "R1", "C0");
dataset.addValue(null, "R1", "C1");
String s = g.generateLabel(dataset, 0, 0);
assertTrue(s.startsWith("1"));
assertTrue(s.endsWith("000"));
// try a null value
s = g.generateLabel(dataset, 1, 1);
assertEquals("-", s);
}
/**
* Some checks for the equals() method.
*/
public void testEquals() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator();
StandardCategoryItemLabelGenerator g2
= new StandardCategoryItemLabelGenerator();
assertTrue(g1.equals(g2));
assertTrue(g2.equals(g1));
g1 = new StandardCategoryItemLabelGenerator("{0}",
new DecimalFormat("0.000"));
assertFalse(g1.equals(g2));
g2 = new StandardCategoryItemLabelGenerator("{0}",
new DecimalFormat("0.000"));
assertTrue(g1.equals(g2));
g1 = new StandardCategoryItemLabelGenerator("{1}",
new DecimalFormat("0.000"));
assertFalse(g1.equals(g2));
g2 = new StandardCategoryItemLabelGenerator("{1}",
new DecimalFormat("0.000"));
assertTrue(g1.equals(g2));
g1 = new StandardCategoryItemLabelGenerator("{2}",
new SimpleDateFormat("d-MMM"));
assertFalse(g1.equals(g2));
g2 = new StandardCategoryItemLabelGenerator("{2}",
new SimpleDateFormat("d-MMM"));
assertTrue(g1.equals(g2));
}
/**
* Simple check that hashCode is implemented.
*/
public void testHashCode() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator();
StandardCategoryItemLabelGenerator g2
= new StandardCategoryItemLabelGenerator();
assertTrue(g1.equals(g2));
assertTrue(g1.hashCode() == g2.hashCode());
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator();
StandardCategoryItemLabelGenerator g2 = null;
try {
g2 = (StandardCategoryItemLabelGenerator) g1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(g1 != g2);
assertTrue(g1.getClass() == g2.getClass());
assertTrue(g1.equals(g2));
}
/**
* Check to ensure that this class implements PublicCloneable.
*/
public void testPublicCloneable() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator();
assertTrue(g1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator("{2}",
DateFormat.getInstance());
StandardCategoryItemLabelGenerator 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 = (StandardCategoryItemLabelGenerator) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(g1, g2);
}
/**
* A test for bug 1481087.
*/
public void testEquals1481087() {
StandardCategoryItemLabelGenerator g1
= new StandardCategoryItemLabelGenerator("{0}",
new DecimalFormat("0.00"));
StandardCategoryToolTipGenerator g2
= new StandardCategoryToolTipGenerator("{0}",
new DecimalFormat("0.00"));
assertFalse(g1.equals(g2));
}
}