/* ===========================================================
* 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.]
*
* ------------------
* OHLCItemTests.java
* ------------------
* (C) Copyright 2006-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 04-Dec-2006 : Version 1 (DG);
* 23-May-2009 : Added testHashCode() (DG);
*
*/
package org.jfree.data.time.ohlc;
import org.jfree.data.time.Year;
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 OHLCItem} class.
*/
public class OHLCItemTest {
private static final double EPSILON = 0.00000000001;
/**
* Some checks for the constructor.
*/
@Test
public void testConstructor1() {
OHLCItem item1 = new OHLCItem(new Year(2006), 2.0, 4.0, 1.0, 3.0);
assertEquals(new Year(2006), item1.getPeriod());
assertEquals(2.0, item1.getOpenValue(), EPSILON);
assertEquals(4.0, item1.getHighValue(), EPSILON);
assertEquals(1.0, item1.getLowValue(), EPSILON);
assertEquals(3.0, item1.getCloseValue(), EPSILON);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
OHLCItem item1 = new OHLCItem(new Year(2006), 2.0, 4.0, 1.0, 3.0);
OHLCItem item2 = new OHLCItem(new Year(2006), 2.0, 4.0, 1.0, 3.0);
assertEquals(item1, item2);
assertEquals(item2, item1);
// period
item1 = new OHLCItem(new Year(2007), 2.0, 4.0, 1.0, 3.0);
assertFalse(item1.equals(item2));
item2 = new OHLCItem(new Year(2007), 2.0, 4.0, 1.0, 3.0);
assertEquals(item1, item2);
// open
item1 = new OHLCItem(new Year(2007), 2.2, 4.0, 1.0, 3.0);
assertFalse(item1.equals(item2));
item2 = new OHLCItem(new Year(2007), 2.2, 4.0, 1.0, 3.0);
assertEquals(item1, item2);
// high
item1 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.0, 3.0);
assertFalse(item1.equals(item2));
item2 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.0, 3.0);
assertEquals(item1, item2);
// low
item1 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.0);
assertFalse(item1.equals(item2));
item2 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.0);
assertEquals(item1, item2);
// close
item1 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.3);
assertFalse(item1.equals(item2));
item2 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.3);
assertEquals(item1, item2);
}
/**
* Some checks for the clone() method.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
OHLCItem item1 = new OHLCItem(new Year(2006), 2.0, 4.0, 1.0, 3.0);
OHLCItem item2 = (OHLCItem) 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 {
OHLCItem item1 = new OHLCItem(new Year(2006), 2.0, 4.0, 1.0, 3.0);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(item1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
OHLCItem item2 = (OHLCItem) in.readObject();
in.close();
assertEquals(item1, item2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
OHLCItem i1 = new OHLCItem(new Year(2009), 2.0, 4.0, 1.0, 3.0);
OHLCItem i2 = new OHLCItem(new Year(2009), 2.0, 4.0, 1.0, 3.0);
assertEquals(i1, i2);
int h1 = i1.hashCode();
int h2 = i2.hashCode();
assertEquals(h1, h2);
}
}