/* ===========================================================
* 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.]
*
* ------------------------------
* WaterfallBarRendererTests.java
* ------------------------------
* (C) Copyright 2003-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 21-Oct-2003 : Version 1 (DG);
* 23-Apr-2008 : Added testPublicCloneable() (DG);
* 04-Feb-2009 : Added testFindRangeBounds() (DG);
*
*/
package org.jfree.chart.renderer.category;
import org.jfree.chart.util.PublicCloneable;
import org.junit.Test;
import java.awt.Color;
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;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link WaterfallBarRenderer} class.
*/
public class WaterfallBarRendererTest {
/**
* Some tests for the findRangeBounds() method.
*/
@Test
public void testFindRangeBounds() {
WaterfallBarRenderer r = new WaterfallBarRenderer();
assertNull(r.findRangeBounds(null));
}
/**
* Check that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
WaterfallBarRenderer r1 = new WaterfallBarRenderer();
WaterfallBarRenderer r2 = new WaterfallBarRenderer();
assertEquals(r1, r2);
// firstBarPaint;
r1.setFirstBarPaint(Color.cyan);
assertFalse(r1.equals(r2));
r2.setFirstBarPaint(Color.cyan);
assertEquals(r1, r2);
// lastBarPaint;
r1.setLastBarPaint(Color.cyan);
assertFalse(r1.equals(r2));
r2.setLastBarPaint(Color.cyan);
assertEquals(r1, r2);
// positiveBarPaint;
r1.setPositiveBarPaint(Color.cyan);
assertFalse(r1.equals(r2));
r2.setPositiveBarPaint(Color.cyan);
assertEquals(r1, r2);
//private Paint negativeBarPaint;
r1.setNegativeBarPaint(Color.cyan);
assertFalse(r1.equals(r2));
r2.setNegativeBarPaint(Color.cyan);
assertEquals(r1, r2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
WaterfallBarRenderer r1 = new WaterfallBarRenderer();
WaterfallBarRenderer r2 = new WaterfallBarRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
WaterfallBarRenderer r1 = new WaterfallBarRenderer();
WaterfallBarRenderer r2 = (WaterfallBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
// quick check for independence
r1.setFirstBarPaint(Color.yellow);
assertFalse(r1.equals(r2));
r2.setFirstBarPaint(Color.yellow);
assertEquals(r1, r2);
}
/**
* Check that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
WaterfallBarRenderer r1 = new WaterfallBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
WaterfallBarRenderer r1 = new WaterfallBarRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
WaterfallBarRenderer r2 = (WaterfallBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
}