/* ===========================================================
* 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.]
*
* -----------------------------------
* GroupedStackedBarRendererTests.java
* -----------------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 08-Jul-2004 : Version 1 (DG);
* 23-Apr-2008 : Added testPublicCloneable() (DG);
*
*/
package org.jfree.chart.renderer.category;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.CategoryAxis;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.KeyToGroupMap;
import org.jfree.data.Range;
import org.jfree.data.category.DefaultCategoryDataset;
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.assertNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
/**
* Tests for the {@link GroupedStackedBarRenderer} class.
*/
public class GroupedStackedBarRendererTest {
/**
* Test that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
GroupedStackedBarRenderer r1 = new GroupedStackedBarRenderer();
GroupedStackedBarRenderer r2 = new GroupedStackedBarRenderer();
assertEquals(r1, r2);
assertEquals(r2, r1);
// map
KeyToGroupMap m1 = new KeyToGroupMap("G1");
m1.mapKeyToGroup("S1", "G2");
r1.setSeriesToGroupMap(m1);
assertFalse(r1.equals(r2));
KeyToGroupMap m2 = new KeyToGroupMap("G1");
m2.mapKeyToGroup("S1", "G2");
r2.setSeriesToGroupMap(m2);
assertEquals(r1, r2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
GroupedStackedBarRenderer r1 = new GroupedStackedBarRenderer();
GroupedStackedBarRenderer r2 = (GroupedStackedBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
}
/**
* Check that this class implements PublicCloneable.
*/
@Test
public void testPublicCloneable() {
GroupedStackedBarRenderer r1 = new GroupedStackedBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
GroupedStackedBarRenderer r1 = new GroupedStackedBarRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(
buffer.toByteArray()));
GroupedStackedBarRenderer r2 = (GroupedStackedBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/**
* Draws the chart with a <code>null</code> info object to make sure that
* no exceptions are thrown (particularly by code in the renderer).
*/
@Test
public void testDrawWithNullInfo() {
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
dataset.addValue(1.0, "S1", "C1");
dataset.addValue(2.0, "S1", "C2");
dataset.addValue(3.0, "S2", "C1");
dataset.addValue(4.0, "S2", "C2");
GroupedStackedBarRenderer renderer
= new GroupedStackedBarRenderer();
CategoryPlot plot = new CategoryPlot(dataset,
new CategoryAxis("Category"), new NumberAxis("Value"),
renderer);
JFreeChart chart = new JFreeChart(plot);
/* BufferedImage image = */ chart.createBufferedImage(300, 200,
null);
}
/**
* Some checks for the findRangeBounds() method.
*/
@Test
public void testFindRangeBounds() {
GroupedStackedBarRenderer r = new GroupedStackedBarRenderer();
assertNull(r.findRangeBounds(null));
// an empty dataset should return a null range
DefaultCategoryDataset dataset = new DefaultCategoryDataset();
assertNull(r.findRangeBounds(dataset));
dataset.addValue(1.0, "R1", "C1");
assertEquals(new Range(0.0, 1.0), r.findRangeBounds(dataset));
dataset.addValue(-2.0, "R1", "C2");
assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
dataset.addValue(null, "R1", "C3");
assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
KeyToGroupMap m = new KeyToGroupMap("G1");
m.mapKeyToGroup("R1", "G1");
m.mapKeyToGroup("R2", "G1");
m.mapKeyToGroup("R3", "G2");
r.setSeriesToGroupMap(m);
dataset.addValue(0.5, "R3", "C1");
assertEquals(new Range(-2.0, 1.0), r.findRangeBounds(dataset));
dataset.addValue(5.0, "R3", "C2");
assertEquals(new Range(-2.0, 5.0), r.findRangeBounds(dataset));
}
}