/* ===========================================================
* 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.]
*
* ------------------
* ColorBarTests.java
* ------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 26-Mar-2003 : Version 1 (DG);
* 07-Jan-2005 : Added test for hashCode() method (DG);
*
*/
package org.jfree.chart.axis.junit;
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.axis.ColorBar;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.GreyPalette;
/**
* Tests for the <code>ColorBar</code> class.
*/
public class ColorBarTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(ColorBarTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public ColorBarTests(String name) {
super(name);
}
/**
* Check that the equals() method can distinguish all fields.
*/
public void testEquals() {
ColorBar c1 = new ColorBar("Test");
ColorBar c2 = new ColorBar("Test");
assertEquals(c1, c2);
c1.setAxis(new NumberAxis("Axis 1"));
assertTrue(!c1.equals(c2));
c2.setAxis(new NumberAxis("Axis 1"));
assertTrue(c1.equals(c2));
c1.setColorPalette(new GreyPalette());
assertTrue(!c1.equals(c2));
c2.setColorPalette(new GreyPalette());
assertTrue(c1.equals(c2));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashCode() {
ColorBar c1 = new ColorBar("Test");
ColorBar c2 = new ColorBar("Test");
assertTrue(c1.equals(c2));
int h1 = c1.hashCode();
int h2 = c2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
ColorBar c1 = new ColorBar("Test");
ColorBar c2 = null;
try {
c2 = (ColorBar) c1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(c1 != c2);
assertTrue(c1.getClass() == c2.getClass());
assertTrue(c1.equals(c2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
ColorBar a1 = new ColorBar("Test Axis");
ColorBar 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 = (ColorBar) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(a1, a2);
}
}