/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2012, 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.]
*
* ----------------------------------
* DefaultKeyedValueDatasetTests.java
* ----------------------------------
* (C) Copyright 2003-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 18-Aug-2003 : Version 1 (DG);
*
*/
package org.jfree.data.general;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertSame;
/**
* Tests for the {@link DefaultKeyedValueDataset} class.
*/
public class DefaultKeyedValueDatasetTest {
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
DefaultKeyedValueDataset d1
= new DefaultKeyedValueDataset("Test", 45.5);
DefaultKeyedValueDataset d2
= new DefaultKeyedValueDataset("Test", 45.5);
assertEquals(d1, d2);
assertEquals(d2, d1);
d1 = new DefaultKeyedValueDataset("Test 1", 45.5);
d2 = new DefaultKeyedValueDataset("Test 2", 45.5);
assertFalse(d1.equals(d2));
d1 = new DefaultKeyedValueDataset("Test", 45.5);
d2 = new DefaultKeyedValueDataset("Test", 45.6);
assertFalse(d1.equals(d2));
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultKeyedValueDataset d1
= new DefaultKeyedValueDataset("Test", 45.5);
DefaultKeyedValueDataset d2 = (DefaultKeyedValueDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
}
/**
* Confirm that the clone is independent of the original.
*/
@Test
public void testCloneIndependence() throws CloneNotSupportedException {
DefaultKeyedValueDataset d1
= new DefaultKeyedValueDataset("Key", 10.0);
DefaultKeyedValueDataset d2 = (DefaultKeyedValueDataset) d1.clone();
assertEquals(d1, d2);
d2.updateValue(99.9);
assertFalse(d1.equals(d2));
d2.updateValue(10.0);
assertEquals(d1, d2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultKeyedValueDataset d1
= new DefaultKeyedValueDataset("Test", 25.3);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
DefaultKeyedValueDataset d2 = (DefaultKeyedValueDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
}