/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.]
*
* ------------------------
* CompositeTitleTests.java
* ------------------------
* (C) Copyright 2005-2012, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 04-Feb-2005 : Version 1 (DG);
* 09-Jul-2008 : Added new field into testEquals() (DG);
* 17-Jun-2012 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.title;
import org.jfree.chart.block.BlockBorder;
import org.jfree.chart.block.BlockContainer;
import org.jfree.chart.ui.RectangleInsets;
import org.junit.Test;
import java.awt.Color;
import java.awt.GradientPaint;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
/**
* Tests for the {@link CompositeTitle} class.
*/
public class CompositeTitleTest {
/**
* Some checks for the constructor.
*/
@Test
public void testConstructor() {
CompositeTitle t = new CompositeTitle();
assertNull(t.getBackgroundPaint());
}
/**
* Check that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
CompositeTitle t1 = new CompositeTitle(new BlockContainer());
CompositeTitle t2 = new CompositeTitle(new BlockContainer());
assertEquals(t1, t2);
assertEquals(t2, t1);
// margin
t1.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
assertFalse(t1.equals(t2));
t2.setMargin(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
assertEquals(t1, t2);
// border
t1.setFrame(new BlockBorder(Color.RED));
assertFalse(t1.equals(t2));
t2.setFrame(new BlockBorder(Color.RED));
assertEquals(t1, t2);
// padding
t1.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
assertFalse(t1.equals(t2));
t2.setPadding(new RectangleInsets(1.0, 2.0, 3.0, 4.0));
assertEquals(t1, t2);
// contained titles
t1.getContainer().add(new TextTitle("T1"));
assertFalse(t1.equals(t2));
t2.getContainer().add(new TextTitle("T1"));
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));
assertEquals(t1, t2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
CompositeTitle t1 = new CompositeTitle(new BlockContainer());
t1.getContainer().add(new TextTitle("T1"));
CompositeTitle t2 = new CompositeTitle(new BlockContainer());
t2.getContainer().add(new TextTitle("T1"));
assertEquals(t1, t2);
int h1 = t1.hashCode();
int h2 = t2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
CompositeTitle t1 = new CompositeTitle(new BlockContainer());
t1.getContainer().add(new TextTitle("T1"));
t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.yellow));
CompositeTitle t2 = (CompositeTitle) t1.clone();
assertNotSame(t1, t2);
assertSame(t1.getClass(), t2.getClass());
assertEquals(t1, t2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
CompositeTitle t1 = new CompositeTitle(new BlockContainer());
t1.getContainer().add(new TextTitle("T1"));
t1.setBackgroundPaint(new GradientPaint(1.0f, 2.0f, Color.RED,
3.0f, 4.0f, Color.BLUE));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(t1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
CompositeTitle t2 = (CompositeTitle) in.readObject();
in.close();
assertEquals(t1, t2);
}
}