/* =========================================================== * 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.] * * ------------------------------- * StatisticalBarRendererTest.java * ------------------------------- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 25-Mar-2003 : Version 1 (DG); * 28-Aug-2007 : Added tests for bug 1779941 (DG); * 14-Nov-2007 : Updated testEquals() (DG); * 23-Apr-2008 : Added testPublicCloneable() (DG); * 16-May-2009 : Added testFindRangeBounds (DG); * */ package org.jfree.chart.renderer.category; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNull; import static org.junit.Assert.fail; import java.awt.BasicStroke; import java.awt.Color; import org.jfree.chart.JFreeChart; import org.jfree.chart.TestUtilities; import org.jfree.chart.axis.CategoryAxis; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.PlotOrientation; import org.jfree.data.Range; import org.jfree.data.statistics.DefaultStatisticalCategoryDataset; import org.jfree.util.PublicCloneable; import org.junit.Test; /** * Tests for the {@link StatisticalBarRenderer} class. */ public class StatisticalBarRendererTest { /** * Check that the equals() method distinguishes all fields. */ @Test public void testEquals() { StatisticalBarRenderer r1 = new StatisticalBarRenderer(); StatisticalBarRenderer r2 = new StatisticalBarRenderer(); assertEquals(r1, r2); r1.setErrorIndicatorPaint(Color.red); assertFalse(r1.equals(r2)); r2.setErrorIndicatorPaint(Color.red); assertTrue(r2.equals(r1)); r1.setErrorIndicatorStroke(new BasicStroke(1.5f)); assertFalse(r1.equals(r2)); r2.setErrorIndicatorStroke(new BasicStroke(1.5f)); assertTrue(r2.equals(r1)); } /** * Two objects that are equal are required to return the same hashCode. */ @Test public void testHashcode() { StatisticalBarRenderer r1 = new StatisticalBarRenderer(); StatisticalBarRenderer r2 = new StatisticalBarRenderer(); assertTrue(r1.equals(r2)); int h1 = r1.hashCode(); int h2 = r2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { StatisticalBarRenderer r1 = new StatisticalBarRenderer(); StatisticalBarRenderer r2 = (StatisticalBarRenderer) r1.clone(); assertTrue(r1 != r2); assertTrue(r1.getClass() == r2.getClass()); assertTrue(r1.equals(r2)); } /** * Check that this class implements PublicCloneable. */ @Test public void testPublicCloneable() { StatisticalBarRenderer r1 = new StatisticalBarRenderer(); assertTrue(r1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() { StatisticalBarRenderer r1 = new StatisticalBarRenderer(); StatisticalBarRenderer r2 = (StatisticalBarRenderer) TestUtilities.serialised(r1); assertEquals(r1, r2); } /** * Draws the chart with a <code>null</code> info object to make sure that * no exceptions are thrown (particularly by code in the renderer). */ @Test public void testDrawWithNullInfo() { try { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); dataset.add(1.0, 2.0, "S1", "C1"); dataset.add(3.0, 4.0, "S1", "C2"); CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("Category"), new NumberAxis("Value"), new StatisticalBarRenderer()); JFreeChart chart = new JFreeChart(plot); /* BufferedImage image = */ chart.createBufferedImage(300, 200, null); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * Draws the chart with a <code>null</code> mean value to make sure that * no exceptions are thrown (particularly by code in the renderer). See * bug report 1779941. */ @Test public void testDrawWithNullMeanVertical() { try { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); dataset.add(1.0, 2.0, "S1", "C1"); dataset.add(null, new Double(4.0), "S1", "C2"); CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("Category"), new NumberAxis("Value"), new StatisticalBarRenderer()); JFreeChart chart = new JFreeChart(plot); /* BufferedImage image = */ chart.createBufferedImage(300, 200, null); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * Draws the chart with a <code>null</code> mean value to make sure that * no exceptions are thrown (particularly by code in the renderer). See * bug report 1779941. */ @Test public void testDrawWithNullMeanHorizontal() { try { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); dataset.add(1.0, 2.0, "S1", "C1"); dataset.add(null, new Double(4.0), "S1", "C2"); CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("Category"), new NumberAxis("Value"), new StatisticalBarRenderer()); plot.setOrientation(PlotOrientation.HORIZONTAL); JFreeChart chart = new JFreeChart(plot); /* BufferedImage image = */ chart.createBufferedImage(300, 200, null); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * Draws the chart with a <code>null</code> standard deviation to make sure * that no exceptions are thrown (particularly by code in the renderer). * See bug report 1779941. */ @Test public void testDrawWithNullDeviationVertical() { try { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); dataset.add(1.0, 2.0, "S1", "C1"); dataset.add(new Double(4.0), null, "S1", "C2"); CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("Category"), new NumberAxis("Value"), new StatisticalBarRenderer()); JFreeChart chart = new JFreeChart(plot); /* BufferedImage image = */ chart.createBufferedImage(300, 200, null); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * Draws the chart with a <code>null</code> standard deviation to make sure * that no exceptions are thrown (particularly by code in the renderer). * See bug report 1779941. */ @Test public void testDrawWithNullDeviationHorizontal() { try { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); dataset.add(1.0, 2.0, "S1", "C1"); dataset.add(new Double(4.0), null, "S1", "C2"); CategoryPlot plot = new CategoryPlot(dataset, new CategoryAxis("Category"), new NumberAxis("Value"), new StatisticalBarRenderer()); plot.setOrientation(PlotOrientation.HORIZONTAL); JFreeChart chart = new JFreeChart(plot); /* BufferedImage image = */ chart.createBufferedImage(300, 200, null); } catch (NullPointerException e) { fail("No exception should be thrown."); } } /** * Some checks for the findRangeBounds() method. */ @Test public void testFindRangeBounds() { StatisticalBarRenderer r = new StatisticalBarRenderer(); assertNull(r.findRangeBounds(null)); // an empty dataset should return a null range DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); assertNull(r.findRangeBounds(dataset)); dataset.add(1.0, 0.5, "R1", "C1"); assertEquals(new Range(0.0, 1.5), r.findRangeBounds(dataset)); r.setIncludeBaseInRange(false); assertEquals(new Range(0.5, 1.5), r.findRangeBounds(dataset)); r.setIncludeBaseInRange(true); dataset.add(-2.0, 0.2, "R1", "C2"); assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset)); dataset.add(null, null, "R1", "C3"); assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset)); dataset.add(5.0, 1.0, "R2", "C3"); assertEquals(new Range(-2.2, 6.0), r.findRangeBounds(dataset)); // check that the series visible flag is observed r.setSeriesVisible(1, Boolean.FALSE); assertEquals(new Range(-2.2, 1.5), r.findRangeBounds(dataset)); } }