/* ===========================================================
* 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.]
*
* ------------------------------
* OHLCSeriesCollectionTests.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);
* 10-Jul-2008 : Updated testEquals() method (DG);
* 26-Jun-2009 : Added tests for removeSeries() methods (DG);
*
*/
package org.jfree.data.time.ohlc;
import org.jfree.data.general.DatasetChangeEvent;
import org.jfree.data.general.DatasetChangeListener;
import org.jfree.data.time.TimePeriodAnchor;
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.assertNotNull;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.fail;
/**
* Tests for the {@link OHLCSeriesCollection} class.
*/
public class OHLCSeriesCollectionTest
implements DatasetChangeListener {
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeriesCollection c2 = new OHLCSeriesCollection();
assertEquals(c1, c2);
// add a series
OHLCSeries s1 = new OHLCSeries("Series");
s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
c1.addSeries(s1);
assertFalse(c1.equals(c2));
OHLCSeries s2 = new OHLCSeries("Series");
s2.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
c2.addSeries(s2);
assertEquals(c1, c2);
// add an empty series
c1.addSeries(new OHLCSeries("Empty Series"));
assertFalse(c1.equals(c2));
c2.addSeries(new OHLCSeries("Empty Series"));
assertEquals(c1, c2);
c1.setXPosition(TimePeriodAnchor.END);
assertFalse(c1.equals(c2));
c2.setXPosition(TimePeriodAnchor.END);
assertEquals(c1, c2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeries s1 = new OHLCSeries("Series");
s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
c1.addSeries(s1);
OHLCSeriesCollection c2 = (OHLCSeriesCollection) c1.clone();
assertNotSame(c1, c2);
assertSame(c1.getClass(), c2.getClass());
assertEquals(c1, c2);
// check independence
s1.setDescription("XYZ");
assertFalse(c1.equals(c2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeries s1 = new OHLCSeries("Series");
s1.add(new Year(2006), 1.0, 1.1, 1.2, 1.3);
c1.addSeries(s1);
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(c1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
OHLCSeriesCollection c2 = (OHLCSeriesCollection) in.readObject();
in.close();
assertEquals(c1, c2);
}
/**
* A test for bug report 1170825 (originally affected XYSeriesCollection,
* this test is just copied over).
*/
@Test
public void test1170825() {
OHLCSeries s1 = new OHLCSeries("Series1");
OHLCSeriesCollection dataset = new OHLCSeriesCollection();
dataset.addSeries(s1);
try {
/* XYSeries s = */ dataset.getSeries(1);
fail("Should have thrown on IllegalArgumentException on index out of bounds");
}
catch (IllegalArgumentException e) {
assertEquals("Series index out of bounds", e.getMessage());
}
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeries s1 = new OHLCSeries("S");
s1.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
c1.addSeries(s1);
OHLCSeriesCollection c2 = new OHLCSeriesCollection();
OHLCSeries s2 = new OHLCSeries("S");
s2.add(new Year(2009), 1.0, 4.0, 0.5, 2.0);
c2.addSeries(s2);
assertEquals(c1, c2);
int h1 = c1.hashCode();
int h2 = c2.hashCode();
assertEquals(h1, h2);
}
/**
* Some checks for the {@link OHLCSeriesCollection#removeSeries(int)}
* method.
*/
@Test
public void testRemoveSeries_int() {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeries s1 = new OHLCSeries("Series 1");
OHLCSeries s2 = new OHLCSeries("Series 2");
OHLCSeries s3 = new OHLCSeries("Series 3");
OHLCSeries s4 = new OHLCSeries("Series 4");
c1.addSeries(s1);
c1.addSeries(s2);
c1.addSeries(s3);
c1.addSeries(s4);
c1.removeSeries(2);
assertEquals(c1.getSeries(2), s4);
c1.removeSeries(0);
assertEquals(c1.getSeries(0), s2);
assertEquals(2, c1.getSeriesCount());
}
/**
* Some checks for the
* {@link OHLCSeriesCollection#removeSeries(OHLCSeries)} method.
*/
@Test
public void testRemoveSeries() {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
OHLCSeries s1 = new OHLCSeries("Series 1");
OHLCSeries s2 = new OHLCSeries("Series 2");
OHLCSeries s3 = new OHLCSeries("Series 3");
OHLCSeries s4 = new OHLCSeries("Series 4");
c1.addSeries(s1);
c1.addSeries(s2);
c1.addSeries(s3);
c1.addSeries(s4);
c1.removeSeries(s3);
assertEquals(c1.getSeries(2), s4);
c1.removeSeries(s1);
assertEquals(c1.getSeries(0), s2);
assertEquals(2, c1.getSeriesCount());
}
/**
* A simple check for the removeAllSeries() method.
*/
@Test
public void testRemoveAllSeries() {
OHLCSeriesCollection c1 = new OHLCSeriesCollection();
c1.addChangeListener(this);
// there should be no change event when clearing an empty series
this.lastEvent = null;
c1.removeAllSeries();
assertNull(this.lastEvent);
OHLCSeries s1 = new OHLCSeries("Series 1");
OHLCSeries s2 = new OHLCSeries("Series 2");
c1.addSeries(s1);
c1.addSeries(s2);
c1.removeAllSeries();
assertEquals(0, c1.getSeriesCount());
assertNotNull(this.lastEvent);
this.lastEvent = null; // clean up
}
/** The last received event. */
private DatasetChangeEvent lastEvent;
/**
* Receives dataset change events.
*
* @param event the event.
*/
@Override
public void datasetChanged(DatasetChangeEvent event) {
this.lastEvent = event;
}
}