/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.
*
* [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
* Other names may be trademarks of their respective owners.]
*
* ---------------------
* LegendTitleTests.java
* ---------------------
* (C) Copyright 2005-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 25-Feb-2005 : Version 1 (DG);
* 16-Mar-2005 : Extended testEquals() (DG);
*
*/
package org.jfree.chart.title.junit;
import java.awt.Color;
import java.awt.Font;
import java.awt.GradientPaint;
import java.awt.geom.Rectangle2D;
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.plot.XYPlot;
import org.jfree.chart.title.LegendTitle;
import org.jfree.ui.RectangleAnchor;
import org.jfree.ui.RectangleEdge;
/**
* Some tests for the {@link LegendTitle} class.
*/
public class LegendTitleTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(LegendTitleTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public LegendTitleTests(String name) {
super(name);
}
/**
* Check that the equals() method distinguishes all fields.
*/
public void testEquals() {
XYPlot plot1 = new XYPlot();
LegendTitle t1 = new LegendTitle(plot1);
LegendTitle t2 = new LegendTitle(plot1);
assertEquals(t1, t2);
t1.setBackgroundPaint(
new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
);
assertFalse(t1.equals(t2));
t2.setBackgroundPaint(
new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f, Color.yellow)
);
assertTrue(t1.equals(t2));
t1.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
assertFalse(t1.equals(t2));
t2.setLegendItemGraphicEdge(RectangleEdge.BOTTOM);
assertTrue(t1.equals(t2));
t1.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
assertFalse(t1.equals(t2));
t2.setLegendItemGraphicAnchor(RectangleAnchor.BOTTOM_LEFT);
assertTrue(t1.equals(t2));
t1.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
assertFalse(t1.equals(t2));
t2.setLegendItemGraphicLocation(RectangleAnchor.TOP_LEFT);
assertTrue(t1.equals(t2));
t1.setItemFont(new Font("Dialog", Font.PLAIN, 19));
assertFalse(t1.equals(t2));
t2.setItemFont(new Font("Dialog", Font.PLAIN, 19));
assertTrue(t1.equals(t2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
XYPlot plot1 = new XYPlot();
LegendTitle t1 = new LegendTitle(plot1);
LegendTitle t2 = new LegendTitle(plot1);
assertTrue(t1.equals(t2));
int h1 = t1.hashCode();
int h2 = t2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
XYPlot plot = new XYPlot();
Rectangle2D bounds1 = new Rectangle2D.Double(10.0, 20.0, 30.0, 40.0);
LegendTitle t1 = new LegendTitle(plot);
t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f,
4.0f, Color.yellow));
t1.setBounds(bounds1);
LegendTitle t2 = null;
try {
t2 = (LegendTitle) t1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(t1 != t2);
assertTrue(t1.getClass() == t2.getClass());
assertTrue(t1.equals(t2));
// check independence
bounds1.setFrame(40.0, 30.0, 20.0, 10.0);
assertFalse(t1.equals(t2));
t2.setBounds(new Rectangle2D.Double(40.0, 30.0, 20.0, 10.0));
assertTrue(t1.equals(t2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
XYPlot plot = new XYPlot();
LegendTitle t1 = new LegendTitle(plot);
LegendTitle t2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(t1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
t2 = (LegendTitle) in.readObject();
in.close();
}
catch (Exception e) {
fail(e.toString());
}
assertTrue(t1.equals(t2));
assertTrue(t2.getSources()[0].equals(plot));
}
}