/* ===========================================================
* 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.]
*
* -----------------------
* XYBarRendererTests.java
* -----------------------
* (C) Copyright 2003-2012, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 25-Mar-2003 : Version 1 (DG);
* 22-Oct-2003 : Added hashCode test (DG);
* 09-Feb-2007 : Added to testCloning() (DG);
* 17-May-2007 : Added testGetLegendItemSeriesIndex() (DG);
* 22-Apr-2008 : Added testPublicCloneable (DG);
* 19-Jun-2008 : Added testFindRangeBounds() (DG);
* 17-Jun-2012 : Removed JCommon dependencies (DG);
*
*/
package org.jfree.chart.renderer.xy;
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 org.jfree.chart.ChartFactory;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.LegendItem;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.ui.GradientPaintTransformType;
import org.jfree.chart.ui.StandardGradientPaintTransformer;
import org.jfree.chart.util.PublicCloneable;
import org.jfree.chart.labels.ItemLabelPosition;
import org.jfree.chart.plot.XYPlot;
import org.jfree.data.Range;
import org.jfree.data.xy.DefaultIntervalXYDataset;
import org.jfree.data.xy.XYBarDataset;
import org.jfree.data.xy.XYIntervalSeries;
import org.jfree.data.xy.XYIntervalSeriesCollection;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.junit.Test;
import java.io.IOException;
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 XYBarRenderer} class.
*/
public class XYBarRendererTest {
/**
* Test that the equals() method distinguishes all fields.
*/
@Test
public void testEquals() {
// default instances
XYBarRenderer r1 = new XYBarRenderer();
XYBarRenderer r2 = new XYBarRenderer();
assertEquals(r1, r2);
assertEquals(r2, r1);
// setBase()
r1.setBase(1.0);
assertFalse(r1.equals(r2));
r2.setBase(1.0);
assertEquals(r1, r2);
// setUseYInterval
r1.setUseYInterval(!r1.getUseYInterval());
assertFalse(r1.equals(r2));
r2.setUseYInterval(!r2.getUseYInterval());
assertEquals(r1, r2);
// setMargin()
r1.setMargin(0.10);
assertFalse(r1.equals(r2));
r2.setMargin(0.10);
assertEquals(r1, r2);
// setDrawBarOutline()
r1.setDrawBarOutline(!r1.isDrawBarOutline());
assertFalse(r1.equals(r2));
r2.setDrawBarOutline(!r2.isDrawBarOutline());
assertEquals(r1, r2);
// setGradientPaintTransformer()
r1.setGradientPaintTransformer(new StandardGradientPaintTransformer(
GradientPaintTransformType.CENTER_HORIZONTAL));
assertFalse(r1.equals(r2));
r2.setGradientPaintTransformer(new StandardGradientPaintTransformer(
GradientPaintTransformType.CENTER_HORIZONTAL));
assertEquals(r1, r2);
// positiveItemLabelFallbackPosition
r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
assertFalse(r1.equals(r2));
r2.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
assertEquals(r1, r2);
// negativeItemLabelFallbackPosition
r1.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
assertFalse(r1.equals(r2));
r2.setNegativeItemLabelPositionFallback(new ItemLabelPosition());
assertEquals(r1, r2);
// barPainter
r1.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33));
assertFalse(r1.equals(r2));
r2.setBarPainter(new GradientXYBarPainter(0.11, 0.22, 0.33));
assertEquals(r1, r2);
// shadowsVisible
r1.setShadowVisible(false);
assertFalse(r1.equals(r2));
r2.setShadowVisible(false);
assertEquals(r1, r2);
// shadowXOffset
r1.setShadowXOffset(3.3);
assertFalse(r1.equals(r2));
r2.setShadowXOffset(3.3);
assertEquals(r1, r2);
// shadowYOffset
r1.setShadowYOffset(3.3);
assertFalse(r1.equals(r2));
r2.setShadowYOffset(3.3);
assertEquals(r1, r2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashcode() {
XYBarRenderer r1 = new XYBarRenderer();
XYBarRenderer r2 = new XYBarRenderer();
assertEquals(r1, r2);
int h1 = r1.hashCode();
int h2 = r2.hashCode();
assertEquals(h1, h2);
}
/**
* Confirm that cloning works.
*/
@Test
public void testCloning() throws CloneNotSupportedException {
XYBarRenderer r1 = new XYBarRenderer();
XYBarRenderer r2 = (XYBarRenderer) r1.clone();
assertNotSame(r1, r2);
assertSame(r1.getClass(), r2.getClass());
assertEquals(r1, r2);
}
/**
* Verify that this class implements {@link PublicCloneable}.
*/
@Test
public void testPublicCloneable() {
XYBarRenderer r1 = new XYBarRenderer();
assertTrue(r1 instanceof PublicCloneable);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() throws IOException, ClassNotFoundException {
XYBarRenderer r1 = new XYBarRenderer();
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
XYBarRenderer r2 = (XYBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization2() throws IOException, ClassNotFoundException {
XYBarRenderer r1 = new XYBarRenderer();
r1.setPositiveItemLabelPositionFallback(new ItemLabelPosition());
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
XYBarRenderer r2 = (XYBarRenderer) in.readObject();
in.close();
assertEquals(r1, r2);
}
/**
* Check that the renderer is calculating the domain bounds correctly.
*/
@Test
public void testFindDomainBounds() {
XYSeriesCollection dataset
= RendererXYPackageTests.createTestXYSeriesCollection();
JFreeChart chart = ChartFactory.createXYBarChart("Test Chart", "X",
false, "Y", dataset);
XYPlot plot = (XYPlot) chart.getPlot();
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));
}
/**
* A test for the findDomainBounds method to ensure it correctly accounts
* for the series visibility.
*/
@Test
public void testFindDomainBounds2() {
XYIntervalSeries s1 = new XYIntervalSeries("S1");
s1.add(1.0, 0.5, 1.5, 10.0, 9.5, 10.5);
s1.add(2.0, 1.9, 2.1, 20.0, 19.8, 20.3);
XYIntervalSeries s2 = new XYIntervalSeries("S2");
s2.add(3.0, 2.5, 3.5, 30.0, 29.5, 30.5);
s2.add(4.0, 3.9, 4.1, 9.0, 9.0, 9.0);
XYIntervalSeriesCollection dataset = new XYIntervalSeriesCollection();
dataset.addSeries(s1);
dataset.addSeries(s2);
XYBarRenderer renderer = new XYBarRenderer();
Range r = renderer.findDomainBounds(dataset);
assertEquals(0.5, r.getLowerBound(), EPSILON);
assertEquals(4.1, r.getUpperBound(), EPSILON);
renderer.setSeriesVisible(1, Boolean.FALSE);
r = renderer.findDomainBounds(dataset);
assertEquals(0.5, r.getLowerBound(), EPSILON);
assertEquals(2.1, r.getUpperBound(), EPSILON);
}
private static final double EPSILON = 0.0000000001;
/**
* A simple test for the findRangeBounds() method.
*/
@Test
public void testFindRangeBounds() {
DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset();
double[] x = {1.0, 2.0, 3.0, 4.0};
double[] startx = {0.9, 1.8, 2.7, 3.6};
double[] endx = {1.1, 2.2, 3.3, 4.4};
double[] y = {1.0, 2.0, 3.0, 4.0};
double[] starty = {0.9, 1.8, 2.7, 3.6};
double[] endy = {1.1, 2.2, 3.3, 4.4};
double[][] data = new double[][] {x, startx, endx, y, starty, endy};
dataset.addSeries("Series 1", data);
XYBarRenderer renderer = new XYBarRenderer();
renderer.setUseYInterval(true);
Range r = renderer.findRangeBounds(dataset);
assertEquals(0.9, r.getLowerBound(), EPSILON);
assertEquals(4.4, r.getUpperBound(), EPSILON);
renderer.setUseYInterval(false);
r = renderer.findRangeBounds(dataset);
assertEquals(1.0, r.getLowerBound(), EPSILON);
assertEquals(4.0, r.getUpperBound(), EPSILON);
}
/**
* A test for the findRangeBounds method to ensure it correctly accounts
* for the series visibility.
*/
@Test
public void testFindRangeBounds2() {
XYIntervalSeries s1 = new XYIntervalSeries("S1");
s1.add(1.0, 0.5, 1.5, 10.0, 9.5, 10.5);
s1.add(2.0, 1.9, 2.1, 20.0, 19.8, 20.3);
XYIntervalSeries s2 = new XYIntervalSeries("S2");
s2.add(3.0, 2.5, 3.5, 30.0, 29.5, 30.5);
s2.add(4.0, 3.9, 4.1, 9.0, 9.0, 9.0);
XYIntervalSeriesCollection dataset = new XYIntervalSeriesCollection();
dataset.addSeries(s1);
dataset.addSeries(s2);
XYBarRenderer renderer = new XYBarRenderer();
renderer.setUseYInterval(false);
Range r = renderer.findRangeBounds(dataset);
assertEquals(9.0, r.getLowerBound(), EPSILON);
assertEquals(30.0, r.getUpperBound(), EPSILON);
renderer.setSeriesVisible(1, Boolean.FALSE);
r = renderer.findRangeBounds(dataset);
assertEquals(10.0, r.getLowerBound(), EPSILON);
assertEquals(20.0, r.getUpperBound(), EPSILON);
}
/**
* A check for the datasetIndex and seriesIndex fields in the LegendItem
* returned by the getLegendItem() method.
*/
@Test
public void testGetLegendItemSeriesIndex() {
XYSeriesCollection d1 = new XYSeriesCollection();
XYSeries s1 = new XYSeries("S1");
s1.add(1.0, 1.1);
XYSeries s2 = new XYSeries("S2");
s2.add(1.0, 1.1);
d1.addSeries(s1);
d1.addSeries(s2);
XYSeriesCollection d2 = new XYSeriesCollection();
XYSeries s3 = new XYSeries("S3");
s3.add(1.0, 1.1);
XYSeries s4 = new XYSeries("S4");
s4.add(1.0, 1.1);
XYSeries s5 = new XYSeries("S5");
s5.add(1.0, 1.1);
d2.addSeries(s3);
d2.addSeries(s4);
d2.addSeries(s5);
XYBarRenderer r = new XYBarRenderer();
XYPlot plot = new XYPlot(new XYBarDataset(d1, 1.0), new NumberAxis("x"),
new NumberAxis("y"), r);
plot.setDataset(1, new XYBarDataset(d2, 2.0));
/*JFreeChart chart =*/ new JFreeChart(plot);
LegendItem li = r.getLegendItem(1, 2);
assertEquals("S5", li.getLabel());
assertEquals(1, li.getDatasetIndex());
assertEquals(2, li.getSeriesIndex());
}
}