/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2009, 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.]
*
* --------------------------
* CrosshairOverlayTests.java
* --------------------------
* (C) Copyright 2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 10-Apr-2009 : Version 1 (DG);
*
*/
package org.jfree.chart.panel.junit;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.GradientPaint;
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.chart.panel.CrosshairOverlay;
import org.jfree.chart.plot.Crosshair;
/**
* Tests for the {@link CrosshairOverlay} class.
*/
public class CrosshairOverlayTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(CrosshairOverlayTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public CrosshairOverlayTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
CrosshairOverlay o1 = new CrosshairOverlay();
CrosshairOverlay o2 = new CrosshairOverlay();
assertEquals(o1, o2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
CrosshairOverlay o1 = new CrosshairOverlay();
o1.addDomainCrosshair(new Crosshair(99.9));
o1.addRangeCrosshair(new Crosshair(1.23, new GradientPaint(1.0f, 2.0f,
Color.red, 3.0f, 4.0f, Color.blue), new BasicStroke(1.1f)));
CrosshairOverlay o2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(o1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
o2 = (CrosshairOverlay) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(o1.equals(o2));
}
/**
* Basic checks for cloning.
*/
public void testCloning() {
CrosshairOverlay o1 = new CrosshairOverlay();
o1.addDomainCrosshair(new Crosshair(99.9));
o1.addRangeCrosshair(new Crosshair(1.23, new GradientPaint(1.0f, 2.0f,
Color.red, 3.0f, 4.0f, Color.blue), new BasicStroke(1.1f)));
CrosshairOverlay o2 = null;
try {
o2 = (CrosshairOverlay) o1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(o1 != o2);
assertTrue(o1.getClass() == o2.getClass());
assertTrue(o1.equals(o2));
o1.addDomainCrosshair(new Crosshair(3.21));
o1.addRangeCrosshair(new Crosshair(4.32));
assertFalse(o1.equals(o2));
}
}