Java tutorial
/* =========================================================== * 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.] * * -------------------------------------- * DefaultBoxAndWhiskerXYDatasetTest.java * -------------------------------------- * (C) Copyright 2007-2013, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 12-Nov-2007 : Version 1 (DG); * */ package org.jfree.data.statistics; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertFalse; import java.util.ArrayList; import java.util.Date; import org.jfree.chart.TestUtilities; import org.jfree.data.Range; import org.junit.Test; /** * Tests for the {@link DefaultBoxAndWhiskerXYDataset} class. */ public class DefaultBoxAndWhiskerXYDatasetTest { /** * Confirm that the equals method can distinguish all the required fields. */ @Test public void testEquals() { DefaultBoxAndWhiskerXYDataset d1 = new DefaultBoxAndWhiskerXYDataset("Series"); DefaultBoxAndWhiskerXYDataset d2 = new DefaultBoxAndWhiskerXYDataset("Series"); assertTrue(d1.equals(d2)); d1.add(new Date(1L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); assertFalse(d1.equals(d2)); d2.add(new Date(1L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); assertTrue(d1.equals(d2)); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() { DefaultBoxAndWhiskerXYDataset d1 = new DefaultBoxAndWhiskerXYDataset("Series"); d1.add(new Date(1L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); DefaultBoxAndWhiskerXYDataset d2 = (DefaultBoxAndWhiskerXYDataset) TestUtilities.serialised(d1); assertEquals(d1, d2); // test independence d1.add(new Date(2L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); assertFalse(d1.equals(d2)); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { DefaultBoxAndWhiskerXYDataset d1 = new DefaultBoxAndWhiskerXYDataset("Series"); d1.add(new Date(1L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); DefaultBoxAndWhiskerXYDataset d2 = (DefaultBoxAndWhiskerXYDataset) d1.clone(); assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2)); // test independence d1.add(new Date(2L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); assertFalse(d1.equals(d2)); } private static final double EPSILON = 0.0000000001; /** * Some checks for the add() method. */ @Test public void testAdd() { DefaultBoxAndWhiskerXYDataset dataset = new DefaultBoxAndWhiskerXYDataset("S1"); BoxAndWhiskerItem item1 = new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList()); dataset.add(new Date(33L), item1); assertEquals(1.0, dataset.getY(0, 0).doubleValue(), EPSILON); assertEquals(1.0, dataset.getMeanValue(0, 0).doubleValue(), EPSILON); assertEquals(2.0, dataset.getMedianValue(0, 0).doubleValue(), EPSILON); assertEquals(3.0, dataset.getQ1Value(0, 0).doubleValue(), EPSILON); assertEquals(4.0, dataset.getQ3Value(0, 0).doubleValue(), EPSILON); assertEquals(5.0, dataset.getMinRegularValue(0, 0).doubleValue(), EPSILON); assertEquals(6.0, dataset.getMaxRegularValue(0, 0).doubleValue(), EPSILON); assertEquals(7.0, dataset.getMinOutlier(0, 0).doubleValue(), EPSILON); assertEquals(8.0, dataset.getMaxOutlier(0, 0).doubleValue(), EPSILON); assertEquals(new Range(5.0, 6.0), dataset.getRangeBounds(false)); } /** * Some basic checks for the constructor. */ @Test public void testConstructor() { DefaultBoxAndWhiskerXYDataset dataset = new DefaultBoxAndWhiskerXYDataset("S1"); assertEquals(1, dataset.getSeriesCount()); assertEquals(0, dataset.getItemCount(0)); assertTrue(Double.isNaN(dataset.getRangeLowerBound(false))); assertTrue(Double.isNaN(dataset.getRangeUpperBound(false))); } /** * Some checks for the getRangeBounds() method. */ @Test public void testGetRangeBounds() { DefaultBoxAndWhiskerXYDataset d1 = new DefaultBoxAndWhiskerXYDataset("S"); d1.add(new Date(1L), new BoxAndWhiskerItem(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, new ArrayList())); assertEquals(new Range(5.0, 6.0), d1.getRangeBounds(false)); assertEquals(new Range(5.0, 6.0), d1.getRangeBounds(true)); d1.add(new Date(1L), new BoxAndWhiskerItem(1.5, 2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, new ArrayList())); assertEquals(new Range(5.0, 6.5), d1.getRangeBounds(false)); assertEquals(new Range(5.0, 6.5), d1.getRangeBounds(true)); d1.add(new Date(2L), new BoxAndWhiskerItem(2.5, 3.5, 4.5, 5.5, 6.5, 7.5, 8.5, 9.5, new ArrayList())); assertEquals(new Range(5.0, 7.5), d1.getRangeBounds(false)); assertEquals(new Range(5.0, 7.5), d1.getRangeBounds(true)); } }