/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2007, 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------------
* MeterChartTests.java
* --------------------
* (C) Copyright 2005, 2007, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes:
* --------
* 29-Mar-2005 : Version 1 (DG);
*
*/
package org.jfree.chart.junit;
import java.awt.Graphics2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.plot.MeterInterval;
import org.jfree.chart.plot.MeterPlot;
import org.jfree.data.Range;
import org.jfree.data.general.DefaultValueDataset;
/**
* Miscellaneous checks for meter charts.
*/
public class MeterChartTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(MeterChartTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public MeterChartTests(String name) {
super(name);
}
/**
* Draws the chart with a single range. At one point, this caused a null
* pointer exception (fixed now).
*/
public void testDrawWithNullInfo() {
boolean success = false;
MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
plot.addInterval(new MeterInterval("Normal", new Range(0.0, 80.0)));
JFreeChart chart = new JFreeChart(plot);
try {
BufferedImage image = new BufferedImage(200, 100,
BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100), null, null);
g2.dispose();
success = true;
}
catch (Exception e) {
success = false;
}
assertTrue(success);
}
}