/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, 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.]
*
* ----------------------------
* XYIntervalDataItemTests.java
* ----------------------------
* (C) Copyright 2006, 2007, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 20-Oct-2006 : Version 1 (DG);
*
*/
package org.jfree.data.xy.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.xy.XYIntervalDataItem;
/**
* Tests for the {@link XYIntervalDataItem} class.
*/
public class XYIntervalDataItemTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(XYIntervalDataItemTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public XYIntervalDataItemTests(String name) {
super(name);
}
private static final double EPSILON = 0.000000001;
/**
* Some checks for the constructor.
*/
public void testConstructor1() {
XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
1.9, 2.1);
assertEquals(new Double(1.0), item1.getX());
assertEquals(0.5, item1.getXLowValue(), EPSILON);
assertEquals(1.5, item1.getXHighValue(), EPSILON);
assertEquals(2.0, item1.getYValue(), EPSILON);
assertEquals(1.9, item1.getYLowValue(), EPSILON);
assertEquals(2.1, item1.getYHighValue(), EPSILON);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
1.9, 2.1);
XYIntervalDataItem item2 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
1.9, 2.1);
assertTrue(item1.equals(item2));
assertTrue(item2.equals(item1));
// x
item1 = new XYIntervalDataItem(1.1, 0.5, 1.5, 2.0, 1.9, 2.1);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.5, 1.5, 2.0, 1.9, 2.1);
assertTrue(item1.equals(item2));
// xLow
item1 = new XYIntervalDataItem(1.1, 0.55, 1.5, 2.0, 1.9, 2.1);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.55, 1.5, 2.0, 1.9, 2.1);
assertTrue(item1.equals(item2));
// xHigh
item1 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.0, 1.9, 2.1);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.0, 1.9, 2.1);
assertTrue(item1.equals(item2));
// y
item1 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.9, 2.1);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.9, 2.1);
assertTrue(item1.equals(item2));
// yLow
item1 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.99, 2.1);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.99, 2.1);
assertTrue(item1.equals(item2));
// yHigh
item1 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.99, 2.11);
assertFalse(item1.equals(item2));
item2 = new XYIntervalDataItem(1.1, 0.55, 1.55, 2.2, 1.99, 2.11);
assertTrue(item1.equals(item2));
}
/**
* Some checks for the clone() method.
*/
public void testCloning() {
XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
1.9, 2.1);
XYIntervalDataItem item2 = null;
try {
item2 = (XYIntervalDataItem) item1.clone();
}
catch (CloneNotSupportedException e) {
e.printStackTrace();
}
assertTrue(item1 != item2);
assertTrue(item1.getClass() == item2.getClass());
assertTrue(item1.equals(item2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
XYIntervalDataItem item1 = new XYIntervalDataItem(1.0, 0.5, 1.5, 2.0,
1.9, 2.1);
XYIntervalDataItem item2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(item1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
item2 = (XYIntervalDataItem) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(item1, item2);
}
}