/* ===========================================================
* 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.]
*
* ----------------------------
* TimeTableXYDatasetTests.java
* ----------------------------
* (C) Copyright 2004, 2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): Rob Eden;
*
* Changes
* -------
* 15-Sep-2004 : Version 1 (DG);
* 25-Jul-2007 : Added test for clear() method, by Rob Eden (DG);
*
*/
package org.jfree.data.time.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 java.util.TimeZone;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.time.TimeTableXYDataset;
import org.jfree.data.time.Year;
/**
* A collection of test cases for the {@link TimeTableXYDataset} class.
*/
public class TimeTableXYDatasetTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(TimeTableXYDatasetTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public TimeTableXYDatasetTests(String name) {
super(name);
}
private static final double DELTA = 0.0000000001;
/**
* Some checks for a simple dataset.
*/
public void testStandard() {
TimeTableXYDataset d = new TimeTableXYDataset();
d.add(new Year(1999), 1.0, "Series 1");
assertEquals(d.getItemCount(), 1);
assertEquals(d.getSeriesCount(), 1);
d.add(new Year(2000), 2.0, "Series 2");
assertEquals(d.getItemCount(), 2);
assertEquals(d.getSeriesCount(), 2);
assertEquals(d.getYValue(0, 0), 1.0, DELTA);
assertTrue(Double.isNaN(d.getYValue(0, 1)));
assertTrue(Double.isNaN(d.getYValue(1, 0)));
assertEquals(d.getYValue(1, 1), 2.0, DELTA);
}
/**
* Some checks for the getTimePeriod() method.
*/
public void testGetTimePeriod() {
TimeTableXYDataset d = new TimeTableXYDataset();
d.add(new Year(1999), 1.0, "Series 1");
d.add(new Year(1998), 2.0, "Series 1");
d.add(new Year(1996), 3.0, "Series 1");
assertEquals(d.getTimePeriod(0), new Year(1996));
assertEquals(d.getTimePeriod(1), new Year(1998));
assertEquals(d.getTimePeriod(2), new Year(1999));
}
/**
* Some checks for the equals() method.
*/
public void testEquals() {
TimeTableXYDataset d1 = new TimeTableXYDataset();
TimeTableXYDataset d2 = new TimeTableXYDataset();
assertTrue(d1.equals(d2));
assertTrue(d2.equals(d1));
d1.add(new Year(1999), 123.4, "S1");
assertFalse(d1.equals(d2));
d2.add(new Year(1999), 123.4, "S1");
assertTrue(d1.equals(d2));
d1.setDomainIsPointsInTime(!d1.getDomainIsPointsInTime());
assertFalse(d1.equals(d2));
d2.setDomainIsPointsInTime(!d2.getDomainIsPointsInTime());
assertTrue(d1.equals(d2));
d1 = new TimeTableXYDataset(TimeZone.getTimeZone("GMT"));
d2 = new TimeTableXYDataset(TimeZone.getTimeZone(
"America/Los_Angeles"));
assertFalse(d1.equals(d2));
}
/**
* Some checks for cloning.
*/
public void testClone() {
TimeTableXYDataset d = new TimeTableXYDataset();
d.add(new Year(1999), 25.0, "Series");
TimeTableXYDataset clone = null;
try {
clone = (TimeTableXYDataset) d.clone();
}
catch (CloneNotSupportedException e) {
assertTrue(false);
}
assertTrue(clone.equals(d));
// now test that the clone is independent of the original
clone.add(new Year(2004), 1.2, "SS");
assertFalse(clone.equals(d));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
TimeTableXYDataset d1 = new TimeTableXYDataset();
d1.add(new Year(1999), 123.4, "S1");
TimeTableXYDataset d2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
d2 = (TimeTableXYDataset) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertTrue(d1.equals(d2));
}
/**
* Test clearing data.
*/
public void testClear() {
TimeTableXYDataset d = new TimeTableXYDataset();
d.add(new Year(1999), 1.0, "Series 1");
assertEquals(d.getItemCount(), 1);
assertEquals(d.getSeriesCount(), 1);
d.add(new Year(2000), 2.0, "Series 2");
d.clear();
// Make sure there's nothing left
assertEquals(0, d.getItemCount());
assertEquals(0, d.getSeriesCount());
}
}