/* =========================================================== * 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.] * * -------------------------- * DatasetUtilitiesTests.java * -------------------------- * (C) Copyright 2003-2009, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 18-Sep-2003 : Version 1 (DG); * 23-Mar-2004 : Added test for maximumStackedRangeValue() method (DG); * 04-Oct-2004 : Eliminated NumberUtils usage (DG); * 07-Jan-2005 : Updated for method name changes (DG); * 03-Feb-2005 : Added testFindStackedRangeBounds2() method (DG); * 26-Sep-2007 : Added testIsEmptyOrNullXYDataset() method (DG); * 28-Mar-2008 : Added and renamed various tests (DG); * 08-Oct-2008 : New tests to support patch 2131001 and related * changes (DG); * 25-Mar-2009 : Added tests for new iterateToFindRangeBounds() method (DG); * 16-May-2009 : Added * testIterateToFindRangeBounds_MultiValueCategoryDataset() (DG); * 10-Sep-2009 : Added tests for bug 2849731 (DG); * */ package org.jfree.data.general; import org.jfree.data.KeyToGroupMap; import org.jfree.data.Range; import org.jfree.data.category.CategoryDataset; import org.jfree.data.category.DefaultCategoryDataset; import org.jfree.data.category.DefaultIntervalCategoryDataset; import org.jfree.data.function.Function2D; import org.jfree.data.function.LineFunction2D; import org.jfree.data.statistics.BoxAndWhiskerItem; import org.jfree.data.statistics.DefaultBoxAndWhiskerXYDataset; import org.jfree.data.statistics.DefaultMultiValueCategoryDataset; import org.jfree.data.statistics.DefaultStatisticalCategoryDataset; import org.jfree.data.statistics.MultiValueCategoryDataset; import org.jfree.data.xy.DefaultIntervalXYDataset; import org.jfree.data.xy.DefaultTableXYDataset; import org.jfree.data.xy.DefaultXYDataset; import org.jfree.data.xy.IntervalXYDataset; import org.jfree.data.xy.TableXYDataset; import org.jfree.data.xy.XYDataset; import org.jfree.data.xy.XYIntervalSeries; import org.jfree.data.xy.XYIntervalSeriesCollection; import org.jfree.data.xy.XYSeries; import org.jfree.data.xy.XYSeriesCollection; import org.jfree.data.xy.YIntervalSeries; import org.jfree.data.xy.YIntervalSeriesCollection; import org.junit.Test; import java.util.ArrayList; import java.util.Arrays; import java.util.Date; import java.util.List; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNull; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; /** * Tests for the {@link DatasetUtilities} class. */ public class DatasetUtilitiesTest { private static final double EPSILON = 0.0000000001; /** * Some tests to verify that Java does what I think it does! */ @Test public void testJava() { assertTrue(Double.isNaN(Math.min(1.0, Double.NaN))); assertTrue(Double.isNaN(Math.max(1.0, Double.NaN))); } /** * Some tests for the calculatePieDatasetTotal() method. */ @Test public void testCalculatePieDatasetTotal() { DefaultPieDataset d = new DefaultPieDataset(); assertEquals(0.0, DatasetUtilities.calculatePieDatasetTotal(d), EPSILON); d.setValue("A", 1.0); assertEquals(1.0, DatasetUtilities.calculatePieDatasetTotal(d), EPSILON); d.setValue("B", 3.0); assertEquals(4.0, DatasetUtilities.calculatePieDatasetTotal(d), EPSILON); } /** * Some tests for the findDomainBounds() method. */ @Test public void testFindDomainBounds() { XYDataset dataset = createXYDataset1(); Range r = DatasetUtilities.findDomainBounds(dataset); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(3.0, r.getUpperBound(), EPSILON); } /** * This test checks that the standard method has 'includeInterval' * defaulting to true. */ @Test public void testFindDomainBounds2() { DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset(); double[] x1 = new double[] {1.0, 2.0, 3.0}; double[] x1Start = new double[] {0.9, 1.9, 2.9}; double[] x1End = new double[] {1.1, 2.1, 3.1}; double[] y1 = new double[] {4.0, 5.0, 6.0}; double[] y1Start = new double[] {1.09, 2.09, 3.09}; double[] y1End = new double[] {1.11, 2.11, 3.11}; double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start, y1End}; dataset.addSeries("S1", data1); Range r = DatasetUtilities.findDomainBounds(dataset); assertEquals(0.9, r.getLowerBound(), EPSILON); assertEquals(3.1, r.getUpperBound(), EPSILON); } /** * This test checks that when the 'includeInterval' flag is false, the * bounds come from the regular x-values. */ @Test public void testFindDomainBounds3() { DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset(); double[] x1 = new double[] {1.0, 2.0, 3.0}; double[] x1Start = new double[] {0.9, 1.9, 2.9}; double[] x1End = new double[] {1.1, 2.1, 3.1}; double[] y1 = new double[] {4.0, 5.0, 6.0}; double[] y1Start = new double[] {1.09, 2.09, 3.09}; double[] y1End = new double[] {1.11, 2.11, 3.11}; double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start, y1End}; dataset.addSeries("S1", data1); Range r = DatasetUtilities.findDomainBounds(dataset, false); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(3.0, r.getUpperBound(), EPSILON); } /** * This test checks that NaN values are ignored. */ @Test public void testFindDomainBounds_NaN() { DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset(); double[] x1 = new double[] {1.0, 2.0, Double.NaN}; double[] x1Start = new double[] {0.9, 1.9, Double.NaN}; double[] x1End = new double[] {1.1, 2.1, Double.NaN}; double[] y1 = new double[] {4.0, 5.0, 6.0}; double[] y1Start = new double[] {1.09, 2.09, 3.09}; double[] y1End = new double[] {1.11, 2.11, 3.11}; double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start, y1End}; dataset.addSeries("S1", data1); Range r = DatasetUtilities.findDomainBounds(dataset); assertEquals(0.9, r.getLowerBound(), EPSILON); assertEquals(2.1, r.getUpperBound(), EPSILON); r = DatasetUtilities.findDomainBounds(dataset, false); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(2.0, r.getUpperBound(), EPSILON); } /** * Some tests for the iterateDomainBounds() method. */ @Test public void testIterateDomainBounds() { XYDataset dataset = createXYDataset1(); Range r = DatasetUtilities.iterateDomainBounds(dataset); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(3.0, r.getUpperBound(), EPSILON); } /** * Check that NaN values in the dataset are ignored. */ @Test public void testIterateDomainBounds_NaN() { DefaultXYDataset dataset = new DefaultXYDataset(); double[] x = new double[] {1.0, 2.0, Double.NaN, 3.0}; double[] y = new double[] {9.0, 8.0, 7.0, 6.0}; dataset.addSeries("S1", new double[][] {x, y}); Range r = DatasetUtilities.iterateDomainBounds(dataset); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(3.0, r.getUpperBound(), EPSILON); } /** * Check that NaN values in the IntervalXYDataset are ignored. */ @Test public void testIterateDomainBounds_NaN2() { DefaultIntervalXYDataset dataset = new DefaultIntervalXYDataset(); double[] x1 = new double[] {Double.NaN, 2.0, 3.0}; double[] x1Start = new double[] {0.9, Double.NaN, 2.9}; double[] x1End = new double[] {1.1, Double.NaN, 3.1}; double[] y1 = new double[] {4.0, 5.0, 6.0}; double[] y1Start = new double[] {1.09, 2.09, 3.09}; double[] y1End = new double[] {1.11, 2.11, 3.11}; double[][] data1 = new double[][] {x1, x1Start, x1End, y1, y1Start, y1End}; dataset.addSeries("S1", data1); Range r = DatasetUtilities.iterateDomainBounds(dataset, false); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(3.0, r.getUpperBound(), EPSILON); r = DatasetUtilities.iterateDomainBounds(dataset, true); assertEquals(0.9, r.getLowerBound(), EPSILON); assertEquals(3.1, r.getUpperBound(), EPSILON); } /** * Some tests for the findRangeBounds() for a CategoryDataset method. */ @Test public void testFindRangeBounds_CategoryDataset() { CategoryDataset dataset = createCategoryDataset1(); Range r = DatasetUtilities.findRangeBounds(dataset); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(6.0, r.getUpperBound(), EPSILON); } /** * Some tests for the findRangeBounds() method on an XYDataset. */ @Test public void testFindRangeBounds() { XYDataset dataset = createXYDataset1(); Range r = DatasetUtilities.findRangeBounds(dataset); assertEquals(100.0, r.getLowerBound(), EPSILON); assertEquals(105.0, r.getUpperBound(), EPSILON); } /** * A test for the findRangeBounds(XYDataset) method using * an IntervalXYDataset. */ @Test public void testFindRangeBounds2() { YIntervalSeriesCollection dataset = new YIntervalSeriesCollection(); Range r = DatasetUtilities.findRangeBounds(dataset); assertNull(r); YIntervalSeries s1 = new YIntervalSeries("S1"); dataset.addSeries(s1); r = DatasetUtilities.findRangeBounds(dataset); assertNull(r); // try a single item s1.add(1.0, 2.0, 1.5, 2.5); r = DatasetUtilities.findRangeBounds(dataset); assertEquals(1.5, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); r = DatasetUtilities.findRangeBounds(dataset, false); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(2.0, r.getUpperBound(), EPSILON); // another item s1.add(2.0, 2.0, 1.4, 2.1); r = DatasetUtilities.findRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); // another empty series YIntervalSeries s2 = new YIntervalSeries("S2"); dataset.addSeries(s2); r = DatasetUtilities.findRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); // an item in series 2 s2.add(1.0, 2.0, 1.9, 2.6); r = DatasetUtilities.findRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.6, r.getUpperBound(), EPSILON); // what if we don't want the interval? r = DatasetUtilities.findRangeBounds(dataset, false); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(2.0, r.getUpperBound(), EPSILON); } /** * Some tests for the iterateRangeBounds() method. */ @Test public void testIterateRangeBounds_CategoryDataset() { CategoryDataset dataset = createCategoryDataset1(); Range r = DatasetUtilities.iterateRangeBounds(dataset, false); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(6.0, r.getUpperBound(), EPSILON); } /** * Some checks for the iterateRangeBounds() method. */ @Test public void testIterateRangeBounds2_CategoryDataset() { // an empty dataset should return a null range DefaultCategoryDataset dataset = new DefaultCategoryDataset(); Range r = DatasetUtilities.iterateRangeBounds(dataset, false); assertNull(r); // a dataset with a single value dataset.addValue(1.23, "R1", "C1"); r = DatasetUtilities.iterateRangeBounds(dataset, false); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); // null is ignored dataset.addValue(null, "R2", "C1"); r = DatasetUtilities.iterateRangeBounds(dataset, false); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); // a Double.NaN should be ignored dataset.addValue(Double.NaN, "R2", "C1"); r = DatasetUtilities.iterateRangeBounds(dataset, false); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); } /** * Some checks for the iterateRangeBounds() method using an * IntervalCategoryDataset. */ @Test public void testIterateRangeBounds3_CategoryDataset() { Number[][] starts = new Double[2][3]; Number[][] ends = new Double[2][3]; starts[0][0] = 1.0; starts[0][1] = 2.0; starts[0][2] = 3.0; starts[1][0] = 11.0; starts[1][1] = 12.0; starts[1][2] = 13.0; ends[0][0] = 4.0; ends[0][1] = 5.0; ends[0][2] = 6.0; ends[1][0] = 16.0; ends[1][1] = 15.0; ends[1][2] = 14.0; DefaultIntervalCategoryDataset d = new DefaultIntervalCategoryDataset( starts, ends); Range r = DatasetUtilities.iterateRangeBounds(d, false); assertEquals(4.0, r.getLowerBound(), EPSILON); assertEquals(16.0, r.getUpperBound(), EPSILON); r = DatasetUtilities.iterateRangeBounds(d, true); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(16.0, r.getUpperBound(), EPSILON); } /** * Some tests for the iterateRangeBounds() method. */ @Test public void testIterateRangeBounds() { XYDataset dataset = createXYDataset1(); Range r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(100.0, r.getLowerBound(), EPSILON); assertEquals(105.0, r.getUpperBound(), EPSILON); } /** * Check the range returned when a series contains a null value. */ @Test public void testIterateRangeBounds2() { XYSeries s1 = new XYSeries("S1"); s1.add(1.0, 1.1); s1.add(2.0, null); s1.add(3.0, 3.3); XYSeriesCollection dataset = new XYSeriesCollection(s1); Range r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.1, r.getLowerBound(), EPSILON); assertEquals(3.3, r.getUpperBound(), EPSILON); } /** * Some checks for the iterateRangeBounds() method. */ @Test public void testIterateRangeBounds3() { // an empty dataset should return a null range XYSeriesCollection dataset = new XYSeriesCollection(); Range r = DatasetUtilities.iterateRangeBounds(dataset); assertNull(r); XYSeries s1 = new XYSeries("S1"); dataset.addSeries(s1); r = DatasetUtilities.iterateRangeBounds(dataset); assertNull(r); // a dataset with a single value s1.add(1.0, 1.23); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); // null is ignored s1.add(2.0, null); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); // Double.NaN DOESN'T mess things up s1.add(3.0, Double.NaN); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.23, r.getLowerBound(), EPSILON); assertEquals(1.23, r.getUpperBound(), EPSILON); } /** * Some checks for the range bounds of a dataset that implements the * {@link IntervalXYDataset} interface. */ @Test public void testIterateRangeBounds4() { YIntervalSeriesCollection dataset = new YIntervalSeriesCollection(); Range r = DatasetUtilities.iterateRangeBounds(dataset); assertNull(r); YIntervalSeries s1 = new YIntervalSeries("S1"); dataset.addSeries(s1); r = DatasetUtilities.iterateRangeBounds(dataset); assertNull(r); // try a single item s1.add(1.0, 2.0, 1.5, 2.5); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.5, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); // another item s1.add(2.0, 2.0, 1.4, 2.1); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); // another empty series YIntervalSeries s2 = new YIntervalSeries("S2"); dataset.addSeries(s2); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); // an item in series 2 s2.add(1.0, 2.0, 1.9, 2.6); r = DatasetUtilities.iterateRangeBounds(dataset); assertEquals(1.4, r.getLowerBound(), EPSILON); assertEquals(2.6, r.getUpperBound(), EPSILON); } /** * Some tests for the findMinimumDomainValue() method. */ @Test public void testFindMinimumDomainValue() { XYDataset dataset = createXYDataset1(); Number minimum = DatasetUtilities.findMinimumDomainValue(dataset); assertEquals(1.0, minimum); } /** * Some tests for the findMaximumDomainValue() method. */ @Test public void testFindMaximumDomainValue() { XYDataset dataset = createXYDataset1(); Number maximum = DatasetUtilities.findMaximumDomainValue(dataset); assertEquals(3.0, maximum); } /** * Some tests for the findMinimumRangeValue() method. */ @Test public void testFindMinimumRangeValue() { CategoryDataset d1 = createCategoryDataset1(); Number min1 = DatasetUtilities.findMinimumRangeValue(d1); assertEquals(1.0, min1); XYDataset d2 = createXYDataset1(); Number min2 = DatasetUtilities.findMinimumRangeValue(d2); assertEquals(100.0, min2); } /** * Some tests for the findMaximumRangeValue() method. */ @Test public void testFindMaximumRangeValue() { CategoryDataset d1 = createCategoryDataset1(); Number max1 = DatasetUtilities.findMaximumRangeValue(d1); assertEquals(6.0, max1); XYDataset dataset = createXYDataset1(); Number maximum = DatasetUtilities.findMaximumRangeValue(dataset); assertEquals(105.0, maximum); } /** * A quick test of the min and max range value methods. */ @Test public void testMinMaxRange() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(100.0, "Series 1", "Type 1"); dataset.addValue(101.1, "Series 1", "Type 2"); Number min = DatasetUtilities.findMinimumRangeValue(dataset); assertTrue(min.doubleValue() < 100.1); Number max = DatasetUtilities.findMaximumRangeValue(dataset); assertTrue(max.doubleValue() > 101.0); } /** * A test to reproduce bug report 803660. */ @Test public void test803660() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(100.0, "Series 1", "Type 1"); dataset.addValue(101.1, "Series 1", "Type 2"); Number n = DatasetUtilities.findMaximumRangeValue(dataset); assertTrue(n.doubleValue() > 101.0); } /** * A simple test for the cumulative range calculation. The sequence of * "cumulative" values are considered to be { 0.0, 10.0, 25.0, 18.0 } so * the range should be 0.0 -> 25.0. */ @Test public void testCumulativeRange1() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(10.0, "Series 1", "Start"); dataset.addValue(15.0, "Series 1", "Delta 1"); dataset.addValue(-7.0, "Series 1", "Delta 2"); Range range = DatasetUtilities.findCumulativeRangeBounds(dataset); assertEquals(0.0, range.getLowerBound(), 0.00000001); assertEquals(25.0, range.getUpperBound(), 0.00000001); } /** * A further test for the cumulative range calculation. */ @Test public void testCumulativeRange2() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(-21.4, "Series 1", "Start Value"); dataset.addValue(11.57, "Series 1", "Delta 1"); dataset.addValue(3.51, "Series 1", "Delta 2"); dataset.addValue(-12.36, "Series 1", "Delta 3"); dataset.addValue(3.39, "Series 1", "Delta 4"); dataset.addValue(38.68, "Series 1", "Delta 5"); dataset.addValue(-43.31, "Series 1", "Delta 6"); dataset.addValue(-29.59, "Series 1", "Delta 7"); dataset.addValue(35.30, "Series 1", "Delta 8"); dataset.addValue(5.0, "Series 1", "Delta 9"); Range range = DatasetUtilities.findCumulativeRangeBounds(dataset); assertEquals(-49.51, range.getLowerBound(), 0.00000001); assertEquals(23.39, range.getUpperBound(), 0.00000001); } /** * A further test for the cumulative range calculation. */ @Test public void testCumulativeRange3() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(15.76, "Product 1", "Labour"); dataset.addValue(8.66, "Product 1", "Administration"); dataset.addValue(4.71, "Product 1", "Marketing"); dataset.addValue(3.51, "Product 1", "Distribution"); dataset.addValue(32.64, "Product 1", "Total Expense"); Range range = DatasetUtilities.findCumulativeRangeBounds(dataset); assertEquals(0.0, range.getLowerBound(), EPSILON); assertEquals(65.28, range.getUpperBound(), EPSILON); } /** * Check that the findCumulativeRangeBounds() method ignores Double.NaN * values. */ @Test public void testCumulativeRange_NaN() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(10.0, "Series 1", "Start"); dataset.addValue(15.0, "Series 1", "Delta 1"); dataset.addValue(Double.NaN, "Series 1", "Delta 2"); Range range = DatasetUtilities.findCumulativeRangeBounds(dataset); assertEquals(0.0, range.getLowerBound(), EPSILON); assertEquals(25.0, range.getUpperBound(), EPSILON); } /** * Test the creation of a dataset from an array. */ @Test public void testCreateCategoryDataset1() { String[] rowKeys = {"R1", "R2", "R3"}; String[] columnKeys = {"C1", "C2"}; double[][] data = new double[3][]; data[0] = new double[] {1.1, 1.2}; data[1] = new double[] {2.1, 2.2}; data[2] = new double[] {3.1, 3.2}; CategoryDataset dataset = DatasetUtilities.createCategoryDataset( rowKeys, columnKeys, data); assertSame(dataset.getRowCount(), 3); assertSame(dataset.getColumnCount(), 2); } /** * Test the creation of a dataset from an array. This time is should fail * because the array dimensions are around the wrong way. */ @Test public void testCreateCategoryDataset2() { String[] rowKeys = {"R1", "R2", "R3"}; String[] columnKeys = {"C1", "C2"}; double[][] data = new double[2][]; data[0] = new double[] {1.1, 1.2, 1.3}; data[1] = new double[] {2.1, 2.2, 2.3}; try { DatasetUtilities.createCategoryDataset(rowKeys, columnKeys, data); fail("IllegalArgumentException should have been thrown on data not matching length of keys"); } catch (IllegalArgumentException e) { assertEquals("The number of row keys does not match the number of rows in the data array.", e.getMessage()); } } /** * Test for a bug reported in the forum: * * http://www.jfree.org/phpBB2/viewtopic.php?t=7903 */ @Test public void testMaximumStackedRangeValue() { double v1 = 24.3; double v2 = 14.2; double v3 = 33.2; double v4 = 32.4; double v5 = 26.3; double v6 = 22.6; Number answer = Math.max(v1 + v2 + v3, v4 + v5 + v6); DefaultCategoryDataset d = new DefaultCategoryDataset(); d.addValue(v1, "Row 0", "Column 0"); d.addValue(v2, "Row 1", "Column 0"); d.addValue(v3, "Row 2", "Column 0"); d.addValue(v4, "Row 0", "Column 1"); d.addValue(v5, "Row 1", "Column 1"); d.addValue(v6, "Row 2", "Column 1"); Number max = DatasetUtilities.findMaximumStackedRangeValue(d); assertEquals(max, answer); } /** * Some checks for the findStackedRangeBounds() method. */ @Test public void testFindStackedRangeBounds_CategoryDataset1() { CategoryDataset d1 = createCategoryDataset1(); Range r = DatasetUtilities.findStackedRangeBounds(d1); assertEquals(0.0, r.getLowerBound(), EPSILON); assertEquals(15.0, r.getUpperBound(), EPSILON); d1 = createCategoryDataset2(); r = DatasetUtilities.findStackedRangeBounds(d1); assertEquals(-2.0, r.getLowerBound(), EPSILON); assertEquals(2.0, r.getUpperBound(), EPSILON); } /** * Some checks for the findStackedRangeBounds() method. */ @Test public void testFindStackedRangeBounds_CategoryDataset2() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); Range r = DatasetUtilities.findStackedRangeBounds(dataset); assertNull(r ); dataset.addValue(5.0, "R1", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, 3.0); assertEquals(3.0, r.getLowerBound(), EPSILON); assertEquals(8.0, r.getUpperBound(), EPSILON); dataset.addValue(-1.0, "R2", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, 3.0); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(8.0, r.getUpperBound(), EPSILON); dataset.addValue(null, "R3", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, 3.0); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(8.0, r.getUpperBound(), EPSILON); dataset.addValue(Double.NaN, "R4", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, 3.0); assertEquals(2.0, r.getLowerBound(), EPSILON); assertEquals(8.0, r.getUpperBound(), EPSILON); } /** * Some checks for the findStackedRangeBounds(CategoryDataset, * KeyToGroupMap) method. */ @Test public void testFindStackedRangeBounds_CategoryDataset3() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); KeyToGroupMap map = new KeyToGroupMap("Group A"); Range r = DatasetUtilities.findStackedRangeBounds(dataset, map); assertNull(r ); dataset.addValue(1.0, "R1", "C1"); dataset.addValue(2.0, "R2", "C1"); dataset.addValue(3.0, "R3", "C1"); dataset.addValue(4.0, "R4", "C1"); map.mapKeyToGroup("R1", "Group A"); map.mapKeyToGroup("R2", "Group A"); map.mapKeyToGroup("R3", "Group B"); map.mapKeyToGroup("R4", "Group B"); r = DatasetUtilities.findStackedRangeBounds(dataset, map); assertEquals(0.0, r.getLowerBound(), EPSILON); assertEquals(7.0, r.getUpperBound(), EPSILON); dataset.addValue(null, "R5", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, map); assertEquals(0.0, r.getLowerBound(), EPSILON); assertEquals(7.0, r.getUpperBound(), EPSILON); dataset.addValue(Double.NaN, "R6", "C1"); r = DatasetUtilities.findStackedRangeBounds(dataset, map); assertEquals(0.0, r.getLowerBound(), EPSILON); assertEquals(7.0, r.getUpperBound(), EPSILON); } /** * Some checks for the findStackedRangeBounds() method. */ @Test public void testFindStackedRangeBoundsForTableXYDataset1() { TableXYDataset d2 = createTableXYDataset1(); Range r = DatasetUtilities.findStackedRangeBounds(d2); assertEquals(-2.0, r.getLowerBound(), EPSILON); assertEquals(2.0, r.getUpperBound(), EPSILON); } /** * Some checks for the findStackedRangeBounds() method. */ @Test public void testFindStackedRangeBoundsForTableXYDataset2() { DefaultTableXYDataset d = new DefaultTableXYDataset(); Range r = DatasetUtilities.findStackedRangeBounds(d); assertEquals(r, new Range(0.0, 0.0)); } /** * Tests the stacked range extent calculation. */ @Test public void testStackedRangeWithMap() { CategoryDataset d = createCategoryDataset1(); KeyToGroupMap map = new KeyToGroupMap("G0"); map.mapKeyToGroup("R2", "G1"); Range r = DatasetUtilities.findStackedRangeBounds(d, map); assertEquals(0.0, r.getLowerBound(), EPSILON); assertEquals(9.0, r.getUpperBound(), EPSILON); } /** * Some checks for the isEmptyOrNull(XYDataset) method. */ @Test public void testIsEmptyOrNullXYDataset() { XYSeriesCollection dataset = null; assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); dataset = new XYSeriesCollection(); assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); XYSeries s1 = new XYSeries("S1"); dataset.addSeries(s1); assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); s1.add(1.0, 2.0); assertFalse(DatasetUtilities.isEmptyOrNull(dataset)); s1.clear(); assertTrue(DatasetUtilities.isEmptyOrNull(dataset)); } /** * Some checks for the limitPieDataset() methods. */ @Test public void testLimitPieDataset() { // check that empty dataset is handled OK DefaultPieDataset d1 = new DefaultPieDataset(); PieDataset d2 = DatasetUtilities.createConsolidatedPieDataset(d1, "Other", 0.05); assertEquals(0, d2.getItemCount()); // check that minItem limit is observed d1.setValue("Item 1", 1.0); d1.setValue("Item 2", 49.50); d1.setValue("Item 3", 49.50); d2 = DatasetUtilities.createConsolidatedPieDataset(d1, "Other", 0.05); assertEquals(3, d2.getItemCount()); assertEquals("Item 1", d2.getKey(0)); assertEquals("Item 2", d2.getKey(1)); assertEquals("Item 3", d2.getKey(2)); // check that minItem limit is observed d1.setValue("Item 4", 1.0); d2 = DatasetUtilities.createConsolidatedPieDataset(d1, "Other", 0.05, 2); // and that simple aggregation works assertEquals(3, d2.getItemCount()); assertEquals("Item 2", d2.getKey(0)); assertEquals("Item 3", d2.getKey(1)); assertEquals("Other", d2.getKey(2)); assertEquals(2.0, d2.getValue("Other")); } /** * Some checks for the sampleFunction2D() method. */ @Test public void testSampleFunction2D() { Function2D f = new LineFunction2D(0, 1); XYDataset dataset = DatasetUtilities.sampleFunction2D(f, 0.0, 1.0, 2, "S1"); assertEquals(1, dataset.getSeriesCount()); assertEquals("S1", dataset.getSeriesKey(0)); assertEquals(2, dataset.getItemCount(0)); assertEquals(0.0, dataset.getXValue(0, 0), EPSILON); assertEquals(0.0, dataset.getYValue(0, 0), EPSILON); assertEquals(1.0, dataset.getXValue(0, 1), EPSILON); assertEquals(1.0, dataset.getYValue(0, 1), EPSILON); } /** * A simple check for the findMinimumStackedRangeValue() method. */ @Test public void testFindMinimumStackedRangeValue() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); // an empty dataset should return a null max Number min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertNull(min); dataset.addValue(1.0, "R1", "C1"); min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(0.0, min.doubleValue(), EPSILON); dataset.addValue(2.0, "R2", "C1"); min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(0.0, min.doubleValue(), EPSILON); dataset.addValue(-3.0, "R3", "C1"); min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(-3.0, min.doubleValue(), EPSILON); dataset.addValue(Double.NaN, "R4", "C1"); min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(-3.0, min.doubleValue(), EPSILON); } /** * A simple check for the findMaximumStackedRangeValue() method. */ @Test public void testFindMinimumStackedRangeValue2() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(-1.0, "R1", "C1"); Number min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(-1.0, min.doubleValue(), EPSILON); dataset.addValue(-2.0, "R2", "C1"); min = DatasetUtilities.findMinimumStackedRangeValue(dataset); assertEquals(-3.0, min.doubleValue(), EPSILON); } /** * A simple check for the findMaximumStackedRangeValue() method. */ @Test public void testFindMaximumStackedRangeValue() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); // an empty dataset should return a null max Number max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertNull(max); dataset.addValue(1.0, "R1", "C1"); max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(1.0, max.doubleValue(), EPSILON); dataset.addValue(2.0, "R2", "C1"); max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(3.0, max.doubleValue(), EPSILON); dataset.addValue(-3.0, "R3", "C1"); max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(3.0, max.doubleValue(), EPSILON); dataset.addValue(Double.NaN, "R4", "C1"); max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(3.0, max.doubleValue(), EPSILON); } /** * A simple check for the findMaximumStackedRangeValue() method. */ @Test public void testFindMaximumStackedRangeValue2() { DefaultCategoryDataset dataset = new DefaultCategoryDataset(); dataset.addValue(-1.0, "R1", "C1"); Number max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(0.0, max.doubleValue(), EPSILON); dataset.addValue(-2.0, "R2", "C1"); max = DatasetUtilities.findMaximumStackedRangeValue(dataset); assertEquals(0.0, max.doubleValue(), EPSILON); } /** * Creates a dataset for testing. * * @return A dataset. */ private CategoryDataset createCategoryDataset1() { DefaultCategoryDataset result = new DefaultCategoryDataset(); result.addValue(1.0, "R0", "C0"); result.addValue(1.0, "R1", "C0"); result.addValue(1.0, "R2", "C0"); result.addValue(4.0, "R0", "C1"); result.addValue(5.0, "R1", "C1"); result.addValue(6.0, "R2", "C1"); return result; } /** * Creates a dataset for testing. * * @return A dataset. */ private CategoryDataset createCategoryDataset2() { DefaultCategoryDataset result = new DefaultCategoryDataset(); result.addValue(1.0, "R0", "C0"); result.addValue(-2.0, "R1", "C0"); result.addValue(2.0, "R0", "C1"); result.addValue(-1.0, "R1", "C1"); return result; } /** * Creates a dataset for testing. * * @return A dataset. */ private XYDataset createXYDataset1() { XYSeries series1 = new XYSeries("S1"); series1.add(1.0, 100.0); series1.add(2.0, 101.0); series1.add(3.0, 102.0); XYSeries series2 = new XYSeries("S2"); series2.add(1.0, 103.0); series2.add(2.0, null); series2.add(3.0, 105.0); XYSeriesCollection result = new XYSeriesCollection(); result.addSeries(series1); result.addSeries(series2); result.setIntervalWidth(0.0); return result; } /** * Creates a sample dataset for testing purposes. * * @return A sample dataset. */ private TableXYDataset createTableXYDataset1() { DefaultTableXYDataset dataset = new DefaultTableXYDataset(); XYSeries s1 = new XYSeries("Series 1", true, false); s1.add(1.0, 1.0); s1.add(2.0, 2.0); dataset.addSeries(s1); XYSeries s2 = new XYSeries("Series 2", true, false); s2.add(1.0, -2.0); s2.add(2.0, -1.0); dataset.addSeries(s2); return dataset; } /** * Some checks for the iteratorToFindRangeBounds(XYDataset...) method. */ @Test public void testIterateToFindRangeBounds1_XYDataset() { // null dataset throws IllegalArgumentException try { DatasetUtilities.iterateToFindRangeBounds(null, new ArrayList(), new Range(0.0, 1.0), true); fail("IllegalArgumentException should have been thrown"); } catch (IllegalArgumentException e) { assertEquals("Null 'dataset' argument.", e.getMessage()); } // null list throws IllegalArgumentException try { DatasetUtilities.iterateToFindRangeBounds(new XYSeriesCollection(), null, new Range(0.0, 1.0), true); fail("IllegalArgumentException should have been thrown on null key"); } catch (IllegalArgumentException e) { assertEquals("Null 'visibleSeriesKeys' argument.", e.getMessage()); } // null range throws IllegalArgumentException try { DatasetUtilities.iterateToFindRangeBounds(new XYSeriesCollection(), new ArrayList(), null, true); fail("IllegalArgumentException should have been thrown on null key"); } catch (IllegalArgumentException e) { assertEquals("Null 'xRange' argument.", e.getMessage()); } } /** * Some tests for the iterateToFindRangeBounds() method. */ @Test public void testIterateToFindRangeBounds2_XYDataset() { List<Comparable> visibleSeriesKeys = new ArrayList<Comparable>(); Range xRange = new Range(0.0, 10.0); // empty dataset returns null XYSeriesCollection dataset = new XYSeriesCollection(); Range r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertNull(r); // add an empty series XYSeries s1 = new XYSeries("A"); dataset.addSeries(s1); visibleSeriesKeys.add("A"); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertNull(r); // check a null value s1.add(1.0, null); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertNull(r); // check a NaN s1.add(2.0, Double.NaN); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertNull(r); // check a regular value s1.add(3.0, 5.0); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 5.0), r); // check another regular value s1.add(4.0, 6.0); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 6.0), r); // add a second series XYSeries s2 = new XYSeries("B"); dataset.addSeries(s2); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 6.0), r); visibleSeriesKeys.add("B"); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 6.0), r); // add a value to the second series s2.add(5.0, 15.0); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 15.0), r); // add a value that isn't in the xRange s2.add(15.0, 150.0); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false); assertEquals(new Range(5.0, 15.0), r); r = DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, new Range(0.0, 20.0), false); assertEquals(new Range(5.0, 150.0), r); } /** * Some checks for the iterateToFindRangeBounds() method when applied to * a BoxAndWhiskerXYDataset. */ @Test public void testIterateToFindRangeBounds_BoxAndWhiskerXYDataset() { DefaultBoxAndWhiskerXYDataset dataset = new DefaultBoxAndWhiskerXYDataset("Series 1"); List<Comparable> visibleSeriesKeys = new ArrayList<Comparable>(); visibleSeriesKeys.add("Series 1"); Range xRange = new Range(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY); assertNull(DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false)); dataset.add(new Date(50L), new BoxAndWhiskerItem(5.0, 4.9, 2.0, 8.0, 1.0, 9.0, 0.0, 10.0, new ArrayList())); assertEquals(new Range(5.0, 5.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, false)); assertEquals(new Range(1.0, 9.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, xRange, true)); } /** * Some checks for the iterateToFindRangeBounds(CategoryDataset...) * method. */ @Test public void testIterateToFindRangeBounds_StatisticalCategoryDataset() { DefaultStatisticalCategoryDataset dataset = new DefaultStatisticalCategoryDataset(); List<Comparable> visibleSeriesKeys = new ArrayList<Comparable>(); assertNull(DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, false)); dataset.add(1.0, 0.5, "R1", "C1"); visibleSeriesKeys.add("R1"); assertEquals(new Range(1.0, 1.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, false)); assertEquals(new Range(0.5, 1.5), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); } /** * Some checks for the iterateToFindRangeBounds(CategoryDataset...) method * with a {@link MultiValueCategoryDataset}. */ @Test public void testIterateToFindRangeBounds_MultiValueCategoryDataset() { DefaultMultiValueCategoryDataset dataset = new DefaultMultiValueCategoryDataset(); List<Comparable> visibleSeriesKeys = new ArrayList<Comparable>(); assertNull(DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); List values = Arrays.asList(1.0); dataset.add(values, "R1", "C1"); visibleSeriesKeys.add("R1"); assertEquals(new Range(1.0, 1.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); values = Arrays.asList(2.0, 3.0); dataset.add(values, "R1", "C2"); assertEquals(new Range(1.0, 3.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); values = Arrays.asList(-1.0, -2.0); dataset.add(values, "R2", "C1"); assertEquals(new Range(1.0, 3.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); visibleSeriesKeys.add("R2"); assertEquals(new Range(-2.0, 3.0), DatasetUtilities.iterateToFindRangeBounds(dataset, visibleSeriesKeys, true)); } /** * Some checks for the iterateRangeBounds() method when passed an * IntervalCategoryDataset. */ @Test public void testIterateRangeBounds_IntervalCategoryDataset() { TestIntervalCategoryDataset d = new TestIntervalCategoryDataset(); d.addItem(1.0, 2.0, 3.0, "R1", "C1"); assertEquals(new Range(1.0, 3.0), DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(2.5, 2.0, 3.0, "R1", "C1"); assertEquals(new Range(2.0, 3.0), DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(4.0, 2.0, 3.0, "R1", "C1"); assertEquals(new Range(2.0, 4.0), DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(null, 2.0, 3.0, "R1", "C1"); assertEquals(new Range(2.0, 3.0), DatasetUtilities.iterateRangeBounds(d)); // try some nulls d = new TestIntervalCategoryDataset(); d.addItem(null, null, null, "R1", "C1"); assertNull(DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(1.0, null, null, "R1", "C1"); assertEquals(new Range(1.0, 1.0), DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(null, 1.0, null, "R1", "C1"); assertEquals(new Range(1.0, 1.0), DatasetUtilities.iterateRangeBounds(d)); d = new TestIntervalCategoryDataset(); d.addItem(null, null, 1.0, "R1", "C1"); assertEquals(new Range(1.0, 1.0), DatasetUtilities.iterateRangeBounds(d)); } /** * A test for bug 2849731. */ @Test public void testBug2849731() { TestIntervalCategoryDataset d = new TestIntervalCategoryDataset(); d.addItem(2.5, 2.0, 3.0, "R1", "C1"); d.addItem(4.0, null, null, "R2", "C1"); assertEquals(new Range(2.0, 4.0), DatasetUtilities.iterateRangeBounds(d)); } /** * Another test for bug 2849731. */ @Test public void testBug2849731_2() { XYIntervalSeriesCollection d = new XYIntervalSeriesCollection(); XYIntervalSeries s = new XYIntervalSeries("S1"); s.add(1.0, Double.NaN, Double.NaN, Double.NaN, 1.5, Double.NaN); d.addSeries(s); Range r = DatasetUtilities.iterateDomainBounds(d); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(1.0, r.getUpperBound(), EPSILON); s.add(1.0, 1.5, Double.NaN, Double.NaN, 1.5, Double.NaN); r = DatasetUtilities.iterateDomainBounds(d); assertEquals(1.0, r.getLowerBound(), EPSILON); assertEquals(1.5, r.getUpperBound(), EPSILON); s.add(1.0, Double.NaN, 0.5, Double.NaN, 1.5, Double.NaN); r = DatasetUtilities.iterateDomainBounds(d); assertEquals(0.5, r.getLowerBound(), EPSILON); assertEquals(1.5, r.getUpperBound(), EPSILON); } /** * Yet another test for bug 2849731. */ @Test public void testBug2849731_3() { XYIntervalSeriesCollection d = new XYIntervalSeriesCollection(); XYIntervalSeries s = new XYIntervalSeries("S1"); s.add(1.0, Double.NaN, Double.NaN, 1.5, Double.NaN, Double.NaN); d.addSeries(s); Range r = DatasetUtilities.iterateRangeBounds(d); assertEquals(1.5, r.getLowerBound(), EPSILON); assertEquals(1.5, r.getUpperBound(), EPSILON); s.add(1.0, 1.5, Double.NaN, Double.NaN, Double.NaN, 2.5); r = DatasetUtilities.iterateRangeBounds(d); assertEquals(1.5, r.getLowerBound(), EPSILON); assertEquals(2.5, r.getUpperBound(), EPSILON); s.add(1.0, Double.NaN, 0.5, Double.NaN, 3.5, Double.NaN); r = DatasetUtilities.iterateRangeBounds(d); assertEquals(1.5, r.getLowerBound(), EPSILON); assertEquals(3.5, r.getUpperBound(), EPSILON); } /** * Check the findYValue() method with a dataset that is in ascending order * of x-values. */ @Test public void testFindYValue() { XYSeries series = new XYSeries("S1"); XYSeriesCollection dataset = new XYSeriesCollection(series); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 100.0))); series.add(1.0, 5.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 2.0))); series.add(2.0, 10.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertEquals(6.25, DatasetUtilities.findYValue(dataset, 0, 1.25), EPSILON); assertEquals(7.5, DatasetUtilities.findYValue(dataset, 0, 1.5), EPSILON); assertEquals(10.0, DatasetUtilities.findYValue(dataset, 0, 2.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 3.0))); } /** * Check the findYValue() method with a dataset that is not sorted. */ @Test public void testFindYValueNonSorted() { XYSeries series = new XYSeries("S1", false); XYSeriesCollection dataset = new XYSeriesCollection(series); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 100.0))); series.add(1.0, 5.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 2.0))); series.add(0.0, 10.0); series.add(4.0, 20.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, -0.5))); assertEquals(10.0, DatasetUtilities.findYValue(dataset, 0, 0.0), EPSILON); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertEquals(15.0, DatasetUtilities.findYValue(dataset, 0, 2.0), EPSILON); assertEquals(20.0, DatasetUtilities.findYValue(dataset, 0, 4.0), EPSILON); assertEquals(17.5, DatasetUtilities.findYValue(dataset, 0, 3.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 5.0))); } /** * Check the findYValue() method with a dataset that allows duplicate * values. */ @Test public void testFindYValueWithDuplicates() { XYSeries series = new XYSeries("S1", true, true); XYSeriesCollection dataset = new XYSeriesCollection(series); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 100.0))); series.add(1.0, 5.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 2.0))); series.add(1.0, 10.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 2.0))); series.add(2.0, 10.0); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 0.0))); assertEquals(5.0, DatasetUtilities.findYValue(dataset, 0, 1.0), EPSILON); assertEquals(10.0, DatasetUtilities.findYValue(dataset, 0, 1.25), EPSILON); assertEquals(10.0, DatasetUtilities.findYValue(dataset, 0, 1.5), EPSILON); assertEquals(10.0, DatasetUtilities.findYValue(dataset, 0, 2.0), EPSILON); assertTrue(Double.isNaN(DatasetUtilities.findYValue(dataset, 0, 3.0))); } }