/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ----------------------------
* DefaultKeyedValuesTests.java
* ----------------------------
* (C) Copyright 2003, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: DefaultKeyedValuesTests.java,v 1.1 2004/08/31 15:31:05 mungady Exp $
*
* Changes
* -------
* 05-Mar-2003 : Version 1 (DG);
* 27-Aug-2003 : Moved SortOrder from org.jfree.data --> org.jfree.util (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.DefaultKeyedValues;
import org.jfree.util.SortOrder;
/**
* Tests for the {@link DefaultKeyedValues} class.
*
*/
public class DefaultKeyedValuesTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return the test suite.
*/
public static Test suite() {
return new TestSuite(DefaultKeyedValuesTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public DefaultKeyedValuesTests(final String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
// no setup required
}
/**
* Confirm that cloning works.
*/
public void testCloning() {
final DefaultKeyedValues v1 = new DefaultKeyedValues();
v1.addValue("V1", new Integer(1));
v1.addValue("V2", null);
v1.addValue("V3", new Integer(3));
DefaultKeyedValues v2 = null;
try {
v2 = (DefaultKeyedValues) v1.clone();
}
catch (CloneNotSupportedException e) {
System.err.println("DefaultKeyedValuesTests.testCloning: failed to clone.");
}
assertTrue(v1 != v2);
assertTrue(v1.getClass() == v2.getClass());
assertTrue(v1.equals(v2));
}
/**
* Problem that inserting and retrieving values works as expected.
*/
public void testInsertAndRetrieve() {
final DefaultKeyedValues data = new DefaultKeyedValues();
data.addValue("A", new Double(1.0));
data.addValue("B", new Double(2.0));
data.addValue("C", new Double(3.0));
data.addValue("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.getValue("A"), new Double(1.0));
assertEquals(data.getValue("B"), new Double(2.0));
assertEquals(data.getValue("C"), new Double(3.0));
assertEquals(data.getValue("D"), null);
// check retrieve value by index
assertEquals(data.getValue(0), new Double(1.0));
assertEquals(data.getValue(1), new Double(2.0));
assertEquals(data.getValue(2), new Double(3.0));
assertEquals(data.getValue(3), null);
}
/**
* Tests sorting of data by key (ascending).
*/
public void testSortByKeyAscending() {
final DefaultKeyedValues data = new DefaultKeyedValues();
data.addValue("C", new Double(1.0));
data.addValue("B", null);
data.addValue("D", new Double(3.0));
data.addValue("A", new Double(2.0));
data.sortByKeys(SortOrder.ASCENDING);
// 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.getValue("A"), new Double(2.0));
assertEquals(data.getValue("B"), null);
assertEquals(data.getValue("C"), new Double(1.0));
assertEquals(data.getValue("D"), new Double(3.0));
// check retrieve value by index
assertEquals(data.getValue(0), new Double(2.0));
assertEquals(data.getValue(1), null);
assertEquals(data.getValue(2), new Double(1.0));
assertEquals(data.getValue(3), new Double(3.0));
}
/**
* Tests sorting of data by key (descending).
*/
public void testSortByKeyDescending() {
final DefaultKeyedValues data = new DefaultKeyedValues();
data.addValue("C", new Double(1.0));
data.addValue("B", null);
data.addValue("D", new Double(3.0));
data.addValue("A", new Double(2.0));
data.sortByKeys(SortOrder.DESCENDING);
// check key order
assertEquals(data.getKey(0), "D");
assertEquals(data.getKey(1), "C");
assertEquals(data.getKey(2), "B");
assertEquals(data.getKey(3), "A");
// check retrieve value by key
assertEquals(data.getValue("A"), new Double(2.0));
assertEquals(data.getValue("B"), null);
assertEquals(data.getValue("C"), new Double(1.0));
assertEquals(data.getValue("D"), new Double(3.0));
// check retrieve value by index
assertEquals(data.getValue(0), new Double(3.0));
assertEquals(data.getValue(1), new Double(1.0));
assertEquals(data.getValue(2), null);
assertEquals(data.getValue(3), new Double(2.0));
}
/**
* Tests sorting of data by value (ascending).
*/
public void testSortByValueAscending() {
final DefaultKeyedValues data = new DefaultKeyedValues();
data.addValue("C", new Double(1.0));
data.addValue("B", null);
data.addValue("D", new Double(3.0));
data.addValue("A", new Double(2.0));
data.sortByValues(SortOrder.ASCENDING);
// check key order
assertEquals(data.getKey(0), "C");
assertEquals(data.getKey(1), "A");
assertEquals(data.getKey(2), "D");
assertEquals(data.getKey(3), "B");
// check retrieve value by key
assertEquals(data.getValue("A"), new Double(2.0));
assertEquals(data.getValue("B"), null);
assertEquals(data.getValue("C"), new Double(1.0));
assertEquals(data.getValue("D"), new Double(3.0));
// check retrieve value by index
assertEquals(data.getValue(0), new Double(1.0));
assertEquals(data.getValue(1), new Double(2.0));
assertEquals(data.getValue(2), new Double(3.0));
assertEquals(data.getValue(3), null);
}
/**
* Tests sorting of data by key (descending).
*/
public void testSortByValueDescending() {
final DefaultKeyedValues data = new DefaultKeyedValues();
data.addValue("C", new Double(1.0));
data.addValue("B", null);
data.addValue("D", new Double(3.0));
data.addValue("A", new Double(2.0));
data.sortByValues(SortOrder.DESCENDING);
// check key order
assertEquals(data.getKey(0), "D");
assertEquals(data.getKey(1), "A");
assertEquals(data.getKey(2), "C");
assertEquals(data.getKey(3), "B");
// check retrieve value by key
assertEquals(data.getValue("A"), new Double(2.0));
assertEquals(data.getValue("B"), null);
assertEquals(data.getValue("C"), new Double(1.0));
assertEquals(data.getValue("D"), new Double(3.0));
// check retrieve value by index
assertEquals(data.getValue(0), new Double(3.0));
assertEquals(data.getValue(1), new Double(2.0));
assertEquals(data.getValue(2), new Double(1.0));
assertEquals(data.getValue(3), null);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
final DefaultKeyedValues v1 = new DefaultKeyedValues();
v1.addValue("Key 1", new Double(23));
v1.addValue("Key 2", null);
v1.addValue("Key 3", new Double(42));
DefaultKeyedValues v2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(v1);
out.close();
final ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
v2 = (DefaultKeyedValues) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(v1, v2);
}
}