001: /* ===========================================================
002: * JFreeChart : a free chart library for the Java(tm) platform
003: * ===========================================================
004: *
005: * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jfreechart/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * --------------------
028: * MeterChartTests.java
029: * --------------------
030: * (C) Copyright 2005, 2007, by Object Refinery Limited.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: MeterChartTests.java,v 1.1.2.2 2007/03/02 11:16:20 mungady Exp $
036: *
037: * Changes:
038: * --------
039: * 29-Mar-2005 : Version 1 (DG);
040: *
041: */
042:
043: package org.jfree.chart.junit;
044:
045: import java.awt.Graphics2D;
046: import java.awt.geom.Rectangle2D;
047: import java.awt.image.BufferedImage;
048:
049: import junit.framework.Test;
050: import junit.framework.TestCase;
051: import junit.framework.TestSuite;
052:
053: import org.jfree.chart.JFreeChart;
054: import org.jfree.chart.plot.MeterInterval;
055: import org.jfree.chart.plot.MeterPlot;
056: import org.jfree.data.Range;
057: import org.jfree.data.general.DefaultValueDataset;
058:
059: /**
060: * Miscellaneous checks for meter charts.
061: */
062: public class MeterChartTests extends TestCase {
063:
064: /**
065: * Returns the tests as a test suite.
066: *
067: * @return The test suite.
068: */
069: public static Test suite() {
070: return new TestSuite(MeterChartTests.class);
071: }
072:
073: /**
074: * Constructs a new set of tests.
075: *
076: * @param name the name of the tests.
077: */
078: public MeterChartTests(String name) {
079: super (name);
080: }
081:
082: /**
083: * Draws the chart with a single range. At one point, this caused a null
084: * pointer exception (fixed now).
085: */
086: public void testDrawWithNullInfo() {
087: boolean success = false;
088: MeterPlot plot = new MeterPlot(new DefaultValueDataset(60.0));
089: plot.addInterval(new MeterInterval("Normal", new Range(0.0,
090: 80.0)));
091: JFreeChart chart = new JFreeChart(plot);
092: try {
093: BufferedImage image = new BufferedImage(200, 100,
094: BufferedImage.TYPE_INT_RGB);
095: Graphics2D g2 = image.createGraphics();
096: chart.draw(g2, new Rectangle2D.Double(0, 0, 200, 100),
097: null, null);
098: g2.dispose();
099: success = true;
100: } catch (Exception e) {
101: success = false;
102: }
103: assertTrue(success);
104: }
105:
106: }
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