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/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2013, 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.]
*
* -----------------------
* WaterfallChartTest.java
* -----------------------
* (C) Copyright 2002-2013, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 12-Apr-2005 : Version 1 (DG);
*
*/
package org.jfree.chart;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import org.jfree.chart.labels.CategoryToolTipGenerator;
import org.jfree.chart.labels.StandardCategoryToolTipGenerator;
import org.jfree.chart.plot.CategoryPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.renderer.category.CategoryItemRenderer;
import org.jfree.chart.urls.CategoryURLGenerator;
import org.jfree.chart.urls.StandardCategoryURLGenerator;
import org.jfree.data.category.CategoryDataset;
import org.jfree.data.general.DatasetUtilities;
import org.junit.Before;
import org.junit.Test;
/**
* Some tests for a waterfall chart.
*/
public class WaterfallChartTest {
/** A chart. */
private JFreeChart chart;
/**
* Common test setup.
*/
@Before
public void setUp() {
this.chart = createWaterfallChart();
}
/**
* Draws the chart with a null info object to make sure that no exceptions
* are thrown (a problem that was occurring at one point).
*/
@Test
public void testDrawWithNullInfo() {
try {
BufferedImage image = new BufferedImage(200 , 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
this.chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null,
null);
g2.dispose();
}
catch (Exception e) {
fail("There should be no exception.");
}
}
/**
* Check that setting a tool tip generator for a series does override the
* default generator.
*/
@Test
public void testSetSeriesToolTipGenerator() {
CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
CategoryItemRenderer renderer = plot.getRenderer();
StandardCategoryToolTipGenerator tt
= new StandardCategoryToolTipGenerator();
renderer.setSeriesToolTipGenerator(0, tt);
CategoryToolTipGenerator tt2 = renderer.getToolTipGenerator(0, 0);
assertTrue(tt2 == tt);
}
/**
* Check that setting a URL generator for a series does override the
* default generator.
*/
@Test
public void testSetSeriesURLGenerator() {
CategoryPlot plot = (CategoryPlot) this.chart.getPlot();
CategoryItemRenderer renderer = plot.getRenderer();
StandardCategoryURLGenerator url1
= new StandardCategoryURLGenerator();
renderer.setSeriesItemURLGenerator(0, url1);
CategoryURLGenerator url2 = renderer.getItemURLGenerator(0, 0);
assertTrue(url2 == url1);
}
/**
* Create a bar chart with sample data in the range -3 to +3.
*
* @return The chart.
*/
private static JFreeChart createWaterfallChart() {
Number[][] data = new Integer[][]
{{new Integer(-3), new Integer(-2)},
{new Integer(-1), new Integer(1)},
{new Integer(2), new Integer(3)}};
CategoryDataset dataset = DatasetUtilities.createCategoryDataset("S",
"C", data);
return ChartFactory.createWaterfallChart(
"Waterfall Chart",
"Domain", "Range",
dataset,
PlotOrientation.HORIZONTAL,
true, // include legend
true,
true
);
}
}
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