/* ===========================================================
* 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.]
*
* ---------------------
* DialPointerTests.java
* ---------------------
* (C) Copyright 2007, 2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 30-Apr-2007 : Version 1 (DG);
* 23-Nov-2007 : Added testEqualsPointer() and testSerialization2() (DG);
*
*/
package org.jfree.chart.plot.dial.junit;
import java.awt.BasicStroke;
import java.awt.Color;
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.dial.DialPointer;
/**
* Tests for the {@link DialPointer} class.
*/
public class DialPointerTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(DialPointerTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public DialPointerTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
DialPointer i1 = new DialPointer.Pin(1);
DialPointer i2 = new DialPointer.Pin(1);
assertTrue(i1.equals(i2));
// dataset index
i1 = new DialPointer.Pin(2);
assertFalse(i1.equals(i2));
i2 = new DialPointer.Pin(2);
assertTrue(i1.equals(i2));
// check an inherited attribute
i1.setVisible(false);
assertFalse(i1.equals(i2));
i2.setVisible(false);
assertTrue(i1.equals(i2));
}
/**
* Check the equals() method for the DialPointer.Pin class.
*/
public void testEqualsPin() {
DialPointer.Pin p1 = new DialPointer.Pin();
DialPointer.Pin p2 = new DialPointer.Pin();
assertEquals(p1, p2);
p1.setPaint(Color.green);
assertFalse(p1.equals(p2));
p2.setPaint(Color.green);
assertTrue(p1.equals(p2));
BasicStroke s = new BasicStroke(4.4f);
p1.setStroke(s);
assertFalse(p1.equals(p2));
p2.setStroke(s);
assertTrue(p1.equals(p2));
}
/**
* Check the equals() method for the DialPointer.Pointer class.
*/
public void testEqualsPointer() {
DialPointer.Pointer p1 = new DialPointer.Pointer();
DialPointer.Pointer p2 = new DialPointer.Pointer();
assertEquals(p1, p2);
p1.setFillPaint(Color.green);
assertFalse(p1.equals(p2));
p2.setFillPaint(Color.green);
assertTrue(p1.equals(p2));
p1.setOutlinePaint(Color.green);
assertFalse(p1.equals(p2));
p2.setOutlinePaint(Color.green);
assertTrue(p1.equals(p2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
DialPointer i1 = new DialPointer.Pin(1);
DialPointer i2 = new DialPointer.Pin(1);
assertTrue(i1.equals(i2));
int h1 = i1.hashCode();
int h2 = i2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
DialPointer i1 = new DialPointer.Pin(1);
DialPointer i2 = null;
try {
i2 = (DialPointer) i1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(i1 != i2);
assertTrue(i1.getClass() == i2.getClass());
assertTrue(i1.equals(i2));
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
i1.addChangeListener(l1);
assertTrue(i1.hasListener(l1));
assertFalse(i2.hasListener(l1));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
// test a default instance
DialPointer i1 = new DialPointer.Pin(1);
DialPointer i2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(i1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
i2 = (DialPointer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(i1, i2);
// test a custom instance
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization2() {
// test a default instance
DialPointer i1 = new DialPointer.Pointer(1);
DialPointer i2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(i1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
i2 = (DialPointer) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(i1, i2);
// test a custom instance
}
}