/* ===========================================================
* 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.]
*
* ----------------------------
* DefaultWindDatasetTests.java
* ----------------------------
* (C) Copyright 2006-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 12-Jul-2006 : Version 1 (DG);
* 22-Apr-2008 : Added testPublicCloneable (DG);
*
*/
package org.jfree.data.xy;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.time.Day;
import org.jfree.data.time.RegularTimePeriod;
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;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
/**
* Tests for {@link DefaultWindDataset}.
*/
public class DefaultWindDatasetTest {
/**
* Confirm that the equals method can distinguish all the required fields.
*/
@Test
public void testEquals() {
DefaultWindDataset d1 = new DefaultWindDataset();
DefaultWindDataset d2 = new DefaultWindDataset();
assertEquals(d1, d2);
assertEquals(d2, d1);
d1 = createSampleDataset1();
assertFalse(d1.equals(d2));
d2 = createSampleDataset1();
assertEquals(d1, d2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
DefaultWindDataset d1 = new DefaultWindDataset();
DefaultWindDataset d2 = (DefaultWindDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
// try a dataset with some content...
d1 = createSampleDataset1();
d2 = (DefaultWindDataset) d1.clone();
assertNotSame(d1, d2);
assertSame(d1.getClass(), d2.getClass());
assertEquals(d1, d2);
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
@Test
public void testPublicCloneable() {
DefaultWindDataset d1 = new DefaultWindDataset();
assertTrue(d1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
DefaultWindDataset d1 = new DefaultWindDataset();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
DefaultWindDataset d2 = (DefaultWindDataset) in.readObject();
in.close();
assertEquals(d1, d2);
// try a dataset with some content...
d1 = createSampleDataset1();
buffer = new ByteArrayOutputStream();
out = new ObjectOutputStream(buffer);
out.writeObject(d1);
out.close();
in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
d2 = (DefaultWindDataset) in.readObject();
in.close();
assertEquals(d1, d2);
}
/**
* Some checks for the getSeriesKey(int) method.
*/
@Test
public void testGetSeriesKey() {
DefaultWindDataset d = createSampleDataset1();
assertEquals("Series 1", d.getSeriesKey(0));
assertEquals("Series 2", d.getSeriesKey(1));
// check for series key out of bounds
try {
/*Comparable k =*/ d.getSeriesKey(-1);
fail("IllegalArgumentException should have been thrown on negative key");
}
catch (IllegalArgumentException e) {
assertEquals("Invalid series index: -1", e.getMessage());
}
try {
/*Comparable k =*/ d.getSeriesKey(2);
fail("IllegalArgumentException should have been thrown on key out of range");
}
catch (IllegalArgumentException e) {
assertEquals("Invalid series index: 2", e.getMessage());
}
}
/**
* Some checks for the indexOf(Comparable) method.
*/
@Test
public void testIndexOf() {
DefaultWindDataset d = createSampleDataset1();
assertEquals(0, d.indexOf("Series 1"));
assertEquals(1, d.indexOf("Series 2"));
assertEquals(-1, d.indexOf("Green Eggs and Ham"));
assertEquals(-1, d.indexOf(null));
}
/**
* Creates a sample dataset for testing.
*
* @return A sample dataset.
*/
public DefaultWindDataset createSampleDataset1() {
Day t = new Day(1, 4, 2006);
Object[] item1 = createItem(t, 3, 7);
Object[] item2 = createItem(t.next(), 4, 8);
Object[] item3 = createItem(t.next(), 5, 9);
Object[][] series1 = new Object[][] {item1, item2, item3};
Object[] item1b = createItem(t, 6, 10);
Object[] item2b = createItem(t.next(), 7, 11);
Object[] item3b = createItem(t.next(), 8, 12);
Object[][] series2 = new Object[][] {item1b, item2b, item3b};
Object[][][] data = new Object[][][] {series1, series2};
return new DefaultWindDataset(data);
}
/**
* Creates an array representing one item in a series.
*
* @param t the time period.
* @param dir the wind direction.
* @param force the wind force.
*
* @return An array containing the specified items.
*/
private Object[] createItem(RegularTimePeriod t, int dir, int force) {
return new Object[] {t.getMiddleMillisecond(),
dir, force};
}
}