/* ===========================================================
* 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.]
*
* ------------------------------
* StackedXYBarRendererTests.java
* ------------------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 10-Sep-2004 : Version 1 (DG);
* 06-Jan-2005 : Added test for auto range calculation (DG);
* 06-Dec-2006 : Confirm serialization of GradientPaint (DG);
* 22-Apr-2008 : Added testPublicCloneable (DG);
*
*/
package org.jfree.chart.renderer.xy;
import org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.data.Range;
import org.jfree.data.xy.TableXYDataset;
import org.junit.Test;
import java.awt.Color;
import java.awt.GradientPaint;
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;
/**
* Tests for the {@link StackedXYBarRenderer} class.
*/
public class StackedXYBarRendererTest {
/**
* Test that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
StackedXYBarRenderer r1 = new StackedXYBarRenderer();
StackedXYBarRenderer r2 = new StackedXYBarRenderer();
assertEquals(r1, r2);
assertEquals(r2, r1);
r1.setRenderAsPercentages(true);
assertFalse(r1.equals(r2));
r2.setRenderAsPercentages(true);
assertEquals(r1, r2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
StackedXYBarRenderer r1 = new StackedXYBarRenderer();
StackedXYBarRenderer r2 = new StackedXYBarRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
r1.setRenderAsPercentages(true);
h1 = r1.hashCode();
h2 = r2.hashCode();
assertFalse(h1 == h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
StackedXYBarRenderer r1 = new StackedXYBarRenderer();
StackedXYBarRenderer r2 = (StackedXYBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
@Test
public void testPublicCloneable() {
StackedXYBarRenderer r1 = new StackedXYBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
StackedXYBarRenderer r1 = new StackedXYBarRenderer();
r1.setSeriesPaint(0, new GradientPaint(1.0f, 2.0f, Color.RED, 3.0f,
4.0f, Color.yellow));
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
StackedXYBarRenderer r2 = (StackedXYBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/**
* Check that the renderer is calculating the domain bounds correctly.
*/
@Test
public void testFindDomainBounds() {
TableXYDataset dataset
= RendererXYPackageTests.createTestTableXYDataset();
JFreeChart chart = ChartFactory.createStackedXYAreaChart(
"Test Chart", "X", "Y", dataset);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(new StackedXYBarRenderer());
NumberAxis domainAxis = (NumberAxis) plot.getDomainAxis();
domainAxis.setAutoRangeIncludesZero(false);
Range bounds = domainAxis.getRange();
assertFalse(bounds.contains(0.3));
assertTrue(bounds.contains(0.5));
assertTrue(bounds.contains(2.5));
assertFalse(bounds.contains(2.8));
}
/**
* Check that the renderer is calculating the range bounds correctly.
*/
@Test
public void testFindRangeBounds() {
TableXYDataset dataset
= RendererXYPackageTests.createTestTableXYDataset();
JFreeChart chart = ChartFactory.createStackedXYAreaChart(
"Test Chart", "X", "Y", dataset);
XYPlot plot = (XYPlot) chart.getPlot();
plot.setRenderer(new StackedXYBarRenderer());
NumberAxis rangeAxis = (NumberAxis) plot.getRangeAxis();
Range bounds = rangeAxis.getRange();
assertTrue(bounds.contains(6.0));
assertTrue(bounds.contains(8.0));
}
}