/* ===========================================================
* 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.]
*
* -------------------------
* XYErrorRendererTests.java
* -------------------------
* (C) Copyright 2006-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 25-Oct-2006 : Version 1 (DG);
* 22-Apr-2008 : Added testPublicCloneable (DG);
* 28-Jan-2009 : Updated tests for new errorStroke field (DG);
*
*/
package org.jfree.chart.renderer.xy.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.renderer.xy.XYErrorRenderer;
import org.jfree.util.PublicCloneable;
/**
* Tests for the {@link XYErrorRenderer} class.
*/
public class XYErrorRendererTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(XYErrorRendererTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public XYErrorRendererTests(String name) {
super(name);
}
/**
* Check that the equals() method distinguishes all fields.
*/
public void testEquals() {
XYErrorRenderer r1 = new XYErrorRenderer();
XYErrorRenderer r2 = new XYErrorRenderer();
assertEquals(r1, r2);
// drawXError
r1.setDrawXError(false);
assertFalse(r1.equals(r2));
r2.setDrawXError(false);
assertTrue(r1.equals(r2));
// drawYError
r1.setDrawYError(false);
assertFalse(r1.equals(r2));
r2.setDrawYError(false);
assertTrue(r1.equals(r2));
// capLength
r1.setCapLength(9.0);
assertFalse(r1.equals(r2));
r2.setCapLength(9.0);
assertTrue(r1.equals(r2));
// errorPaint
r1.setErrorPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
Color.green));
assertFalse(r1.equals(r2));
r2.setErrorPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
Color.green));
assertTrue(r1.equals(r2));
// errorStroke
r1.setErrorStroke(new BasicStroke(1.5f));
assertFalse(r1.equals(r2));
r2.setErrorStroke(new BasicStroke(1.5f));
assertTrue(r1.equals(r2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
XYErrorRenderer r1 = new XYErrorRenderer();
XYErrorRenderer r2 = new XYErrorRenderer();
assertTrue(r1.equals(r2));
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
XYErrorRenderer r1 = new XYErrorRenderer();
r1.setErrorPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
Color.white));
XYErrorRenderer r2 = null;
try {
r2 = (XYErrorRenderer) r1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}
/**
* A test for cloning.
*/
public void testCloning2() {
XYErrorRenderer r1 = new XYErrorRenderer();
r1.setErrorStroke(new BasicStroke(1.5f));
XYErrorRenderer r2 = null;
try {
r2 = (XYErrorRenderer) r1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(r1 != r2);
assertTrue(r1.getClass() == r2.getClass());
assertTrue(r1.equals(r2));
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
public void testPublicCloneable() {
XYErrorRenderer r1 = new XYErrorRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
XYErrorRenderer r1 = new XYErrorRenderer();
r1.setErrorPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
Color.white));
XYErrorRenderer r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
r2 = (XYErrorRenderer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization2() {
XYErrorRenderer r1 = new XYErrorRenderer();
r1.setErrorStroke(new BasicStroke(1.5f));
XYErrorRenderer r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
r2 = (XYErrorRenderer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
}