/* ===========================================================
* 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.]
*
* ---------------------------
* XIntervalDataItemTests.java
* ---------------------------
* (C) Copyright 2006-2008, 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;
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 XIntervalDataItem} class.
*/
public class XIntervalDataItemTest {
private static final double EPSILON = 0.00000000001;
/**
* Some checks for the constructor.
*/
@Test
public void testConstructor1() {
XIntervalDataItem item1 = new XIntervalDataItem(1.0, 2.0, 3.0, 4.0);
assertEquals(1.0, item1.getX());
assertEquals(2.0, item1.getXLowValue(), EPSILON);
assertEquals(3.0, item1.getXHighValue(), EPSILON);
assertEquals(4.0, item1.getYValue(), EPSILON);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
XIntervalDataItem item1 = new XIntervalDataItem(1.0, 2.0, 3.0, 4.0);
XIntervalDataItem item2 = new XIntervalDataItem(1.0, 2.0, 3.0, 4.0);
assertEquals(item1, item2);
assertEquals(item2, item1);
// x
item1 = new XIntervalDataItem(1.1, 2.0, 3.0, 4.0);
assertFalse(item1.equals(item2));
item2 = new XIntervalDataItem(1.1, 2.0, 3.0, 4.0);
assertEquals(item1, item2);
// xLow
item1 = new XIntervalDataItem(1.1, 2.2, 3.0, 4.0);
assertFalse(item1.equals(item2));
item2 = new XIntervalDataItem(1.1, 2.2, 3.0, 4.0);
assertEquals(item1, item2);
// xHigh
item1 = new XIntervalDataItem(1.1, 2.2, 3.3, 4.0);
assertFalse(item1.equals(item2));
item2 = new XIntervalDataItem(1.1, 2.2, 3.3, 4.0);
assertEquals(item1, item2);
// y
item1 = new XIntervalDataItem(1.1, 2.2, 3.3, 4.4);
assertFalse(item1.equals(item2));
item2 = new XIntervalDataItem(1.1, 2.2, 3.3, 4.4);
assertEquals(item1, item2);
}
/**
* Some checks for the clone() method.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
XIntervalDataItem item1 = new XIntervalDataItem(1.0, 2.0, 3.0, 4.0);
XIntervalDataItem item2 = (XIntervalDataItem) item1.clone();
assertNotSame(item1, item2);
assertSame(item1.getClass(), item2.getClass());
assertEquals(item1, item2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
XIntervalDataItem item1 = new XIntervalDataItem(1.0, 2.0, 3.0, 4.0);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(item1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
XIntervalDataItem item2 = (XIntervalDataItem) in.readObject();
in.close();
assertEquals(item1, item2);
}
}