/* ===========================================================
* 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.]
*
* -------------------------
* ScatterRendererTests.java
* -------------------------
* (C) Copyright 2007-2009, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 08-Oct-2007 : Version 1 (DG);
* 11-Oct-2007 : Renamed ScatterRenderer (DG);
* 23-Apr-2008 : Added testPublicCloneable() (DG);
* 16-May-2009 : Added testFindRangeBounds() (DG);
*
*/
package org.jfree.chart.renderer.category;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.Range;
import org.jfree.data.statistics.DefaultMultiValueCategoryDataset;
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 java.util.Arrays;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link ScatterRenderer} class.
*/
public class ScatterRendererTest {
/**
* Test that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
ScatterRenderer r1 = new ScatterRenderer();
ScatterRenderer r2 = new ScatterRenderer();
assertEquals(r1, r2);
r1.setSeriesShapesFilled(1, true);
assertFalse(r1.equals(r2));
r2.setSeriesShapesFilled(1, true);
assertEquals(r1, r2);
r1.setBaseShapesFilled(false);
assertFalse(r1.equals(r2));
r2.setBaseShapesFilled(false);
assertEquals(r1, r2);
r1.setUseFillPaint(true);
assertFalse(r1.equals(r2));
r2.setUseFillPaint(true);
assertEquals(r1, r2);
r1.setDrawOutlines(true);
assertFalse(r1.equals(r2));
r2.setDrawOutlines(true);
assertEquals(r1, r2);
r1.setUseOutlinePaint(true);
assertFalse(r1.equals(r2));
r2.setUseOutlinePaint(true);
assertEquals(r1, r2);
r1.setUseSeriesOffset(false);
assertFalse(r1.equals(r2));
r2.setUseSeriesOffset(false);
assertEquals(r1, r2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
ScatterRenderer r1 = new ScatterRenderer();
ScatterRenderer r2 = new ScatterRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
ScatterRenderer r1 = new ScatterRenderer();
ScatterRenderer r2 = (ScatterRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
assertTrue(checkIndependence(r1, r2));
}
/**
* Check that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
ScatterRenderer r1 = new ScatterRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Checks that the two renderers are equal but independent of one another.
*
* @param r1 renderer 1.
* @param r2 renderer 2.
*
* @return A boolean.
*/
private boolean checkIndependence(ScatterRenderer r1,
ScatterRenderer r2) {
// should be equal...
if (!r1.equals(r2)) {
return false;
}
// and independent...
r1.setSeriesShapesFilled(1, true);
if (r1.equals(r2)) {
return false;
}
r2.setSeriesShapesFilled(1, true);
if (!r1.equals(r2)) {
return false;
}
r1.setBaseShapesFilled(false);
r2.setBaseShapesFilled(true);
if (r1.equals(r2)) {
return false;
}
r2.setBaseShapesFilled(false);
if (!r1.equals(r2)) {
return false;
}
return true;
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
ScatterRenderer r1 = new ScatterRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
ScatterRenderer r2 = (ScatterRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/**
* Some checks for the findRangeBounds() method.
*/
@Test
public void testFindRangeBounds() {
ScatterRenderer r = new ScatterRenderer();
assertNull(r.findRangeBounds(null));
// an empty dataset should return a null range
DefaultMultiValueCategoryDataset dataset
= new DefaultMultiValueCategoryDataset();
assertNull(r.findRangeBounds(dataset));
List values = Arrays.asList(1.0);
dataset.add(values, "R1", "C1");
assertEquals(new Range(1.0, 1.0), r.findRangeBounds(dataset));
values = Arrays.asList(2.0, 2.2);
dataset.add(values, "R1", "C2");
assertEquals(new Range(1.0, 2.2), r.findRangeBounds(dataset));
values = Arrays.asList(-3.0, -3.2);
dataset.add(values, "R1", "C3");
assertEquals(new Range(-3.2, 2.2), r.findRangeBounds(dataset));
values = Arrays.asList(6.0);
dataset.add(values, "R2", "C1");
assertEquals(new Range(-3.2, 6.0), r.findRangeBounds(dataset));
r.setSeriesVisible(1, Boolean.FALSE);
assertEquals(new Range(-3.2, 2.2), r.findRangeBounds(dataset));
}
}