/* ========================================================================
* JCommon : a free general purpose class library for the Java(tm) platform
* ========================================================================
*
* (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
*
* Project Info: http://www.jfree.org/jcommon/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.]
*
* -------------------
* PaintListTests.java
* -------------------
* (C) Copyright 2003-2005, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: PaintListTests.java,v 1.3 2005/10/18 13:25:14 mungady Exp $
*
* Changes
* -------
* 13-Aug-2003 : Version 1 (DG);
* 27-Jun-2005 : Added test for equals() where the list contains
* GradientPaint instances (DG);
*/
package org.jfree.util.junit;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Paint;
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.util.PaintList;
/**
* Some tests for the {@link PaintList} class.
*/
public class PaintListTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(PaintListTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public PaintListTests(final String name) {
super(name);
}
/**
* Tests the equals() method.
*/
public void testEquals() {
final PaintList l1 = new PaintList();
l1.setPaint(0, Color.red);
l1.setPaint(1, Color.blue);
l1.setPaint(2, null);
final PaintList l2 = new PaintList();
l2.setPaint(0, Color.red);
l2.setPaint(1, Color.blue);
l2.setPaint(2, null);
assertTrue(l1.equals(l2));
assertTrue(l2.equals(l2));
}
/**
* Tests the equals method.
*/
public void testEquals2() {
// check two separate (but equal) colors
final PaintList l1 = new PaintList();
final Color color1 = new Color(200, 200, 200);
l1.setPaint(0, color1);
final PaintList l2 = new PaintList();
final Color color2 = new Color(200, 200, 200);
l2.setPaint(0, color2);
assertEquals(l1, l2);
}
/**
* Tests the equals() method when the list contains a GradientPaint
* instance.
*/
public void testEquals3() {
// check two separate (but equal) colors
PaintList l1 = new PaintList();
Paint p1 = new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue);
l1.setPaint(0, p1);
PaintList l2 = new PaintList();
Paint p2 = new GradientPaint(1.0f, 2.0f, Color.red,
3.0f, 4.0f, Color.blue);
l2.setPaint(0, p2);
assertEquals(l1, l2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
final PaintList l1 = new PaintList();
l1.setPaint(0, Color.red);
l1.setPaint(1, Color.blue);
l1.setPaint(2, null);
PaintList l2 = null;
try {
l2 = (PaintList) l1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("PaintListTests.testCloning: failed to clone.");
}
assertTrue(l1 != l2);
assertTrue(l1.getClass() == l2.getClass());
assertTrue(l1.equals(l2));
l2.setPaint(0, Color.green);
assertFalse(l1.equals(l2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
final PaintList l1 = new PaintList();
l1.setPaint(0, Color.red);
l1.setPaint(1, Color.blue);
l1.setPaint(2, null);
PaintList l2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(l1);
out.close();
final ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
l2 = (PaintList) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(l1, l2);
}
}