/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2008, 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.]
*
* ----------------------------
* DialTextAnnotationTests.java
* ----------------------------
* (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 03-Nov-2006 : Version 1 (DG);
*
*/
package org.jfree.chart.plot.dial.junit;
import java.awt.Color;
import java.awt.Font;
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.plot.dial.DialTextAnnotation;
/**
* Tests for the {@link DialTextAnnotation} class.
*/
public class DialTextAnnotationTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(DialTextAnnotationTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public DialTextAnnotationTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
DialTextAnnotation a1 = new DialTextAnnotation("A1");
DialTextAnnotation a2 = new DialTextAnnotation("A1");
assertTrue(a1.equals(a2));
// angle
a1.setAngle(1.1);
assertFalse(a1.equals(a2));
a2.setAngle(1.1);
assertTrue(a1.equals(a2));
// radius
a1.setRadius(9.9);
assertFalse(a1.equals(a2));
a2.setRadius(9.9);
assertTrue(a1.equals(a2));
// font
Font f = new Font("SansSerif", Font.PLAIN, 14);
a1.setFont(f);
assertFalse(a1.equals(a2));
a2.setFont(f);
assertTrue(a1.equals(a2));
// paint
a1.setPaint(Color.red);
assertFalse(a1.equals(a2));
a2.setPaint(Color.red);
assertTrue(a1.equals(a2));
// label
a1.setLabel("ABC");
assertFalse(a1.equals(a2));
a2.setLabel("ABC");
assertTrue(a1.equals(a2));
// check an inherited attribute
a1.setVisible(false);
assertFalse(a1.equals(a2));
a2.setVisible(false);
assertTrue(a1.equals(a2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
DialTextAnnotation a1 = new DialTextAnnotation("A1");
DialTextAnnotation a2 = new DialTextAnnotation("A1");
assertTrue(a1.equals(a2));
int h1 = a1.hashCode();
int h2 = a2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
// test a default instance
DialTextAnnotation a1 = new DialTextAnnotation("A1");
DialTextAnnotation a2 = null;
try {
a2 = (DialTextAnnotation) a1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(a1 != a2);
assertTrue(a1.getClass() == a2.getClass());
assertTrue(a1.equals(a2));
// check that the listener lists are independent
MyDialLayerChangeListener l1 = new MyDialLayerChangeListener();
a1.addChangeListener(l1);
assertTrue(a1.hasListener(l1));
assertFalse(a2.hasListener(l1));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
// test a default instance
DialTextAnnotation a1 = new DialTextAnnotation("A1");
DialTextAnnotation a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
a2 = (DialTextAnnotation) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(a1, a2);
// test a custom instance
a1 = new DialTextAnnotation("A1");
a1.setPaint(new GradientPaint(1.0f, 2.0f, Color.red, 3.0f, 4.0f,
Color.blue));
a2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(a1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
a2 = (DialTextAnnotation) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(a1, a2);
}
}