/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2005, 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.]
*
* ----------------------
* KeyedObjectsTests.java
* ----------------------
* (C) Copyright 2004, 2005, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: KeyedObjectsTests.java,v 1.4.2.1 2005/10/25 21:34:07 mungady Exp $
*
* Changes
* -------
* 27-Jan-2004 : Version 1 (DG);
*
*/
package org.jfree.data.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.data.KeyedObjects;
/**
* Tests for the {@link KeyedObjects} class.
*/
public class KeyedObjectsTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(KeyedObjectsTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public KeyedObjectsTests(String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
// no setup required
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
KeyedObjects ko1 = new KeyedObjects();
ko1.addObject("V1", new Integer(1));
ko1.addObject("V2", null);
ko1.addObject("V3", new Integer(3));
KeyedObjects ko2 = null;
try {
ko2 = (KeyedObjects) ko1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("Failed to clone.");
}
assertTrue(ko1 != ko2);
assertTrue(ko1.getClass() == ko2.getClass());
assertTrue(ko1.equals(ko2));
}
/**
* Check that inserting and retrieving values works as expected.
*/
public void testInsertAndRetrieve() {
KeyedObjects data = new KeyedObjects();
data.addObject("A", new Double(1.0));
data.addObject("B", new Double(2.0));
data.addObject("C", new Double(3.0));
data.addObject("D", null);
// check key order
assertEquals(data.getKey(0), "A");
assertEquals(data.getKey(1), "B");
assertEquals(data.getKey(2), "C");
assertEquals(data.getKey(3), "D");
// check retrieve value by key
assertEquals(data.getObject("A"), new Double(1.0));
assertEquals(data.getObject("B"), new Double(2.0));
assertEquals(data.getObject("C"), new Double(3.0));
assertEquals(data.getObject("D"), null);
assertEquals(data.getObject("Not a key"), null);
// check retrieve value by index
assertEquals(data.getObject(0), new Double(1.0));
assertEquals(data.getObject(1), new Double(2.0));
assertEquals(data.getObject(2), new Double(3.0));
assertEquals(data.getObject(3), null);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
KeyedObjects ko1 = new KeyedObjects();
ko1.addObject("Key 1", "Object 1");
ko1.addObject("Key 2", null);
ko1.addObject("Key 3", "Object 2");
KeyedObjects ko2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(ko1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
ko2 = (KeyedObjects) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(ko1, ko2);
}
}