/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2012, 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.] * * ---------------------------------- * DefaultIntervalXYDatasetTests.java * ---------------------------------- * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 23-Oct-2006 : Version 1 (DG); * 02-Nov-2006 : Added testAddSeries() method (DG); * 22-Apr-2008 : Added testPublicCloneable (DG); * */ package org.jfree.data.xy; import org.jfree.chart.util.PublicCloneable; import org.junit.Test; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertNotSame; import static org.junit.Assert.assertSame; import static org.junit.Assert.assertTrue; import static org.junit.Assert.fail; /** * Some tests for the {@link DefaultIntervalXYDataset} class. */ public class DefaultIntervalXYDatasetTest { /** * Some checks for the getSeriesCount() method. */ @Test public void testGetSeriesCount() { DefaultIntervalXYDataset d = new DefaultIntervalXYDataset(); assertEquals(0, d.getSeriesCount()); d = createSampleDataset1(); assertEquals(2, d.getSeriesCount()); } /** * Some checks for the getSeriesKey(int) method. */ @Test public void testGetSeriesKey() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals("S1", d.getSeriesKey(0)); assertEquals("S2", d.getSeriesKey(1)); // check for series key out of bounds try { /*Comparable k =*/ d.getSeriesKey(-1); fail("IllegalArgumentException should have been thrown on negative key"); } catch (IllegalArgumentException e) { assertEquals("Series index out of bounds", e.getMessage()); } try { /*Comparable k =*/ d.getSeriesKey(2); fail("IllegalArgumentException should have been thrown on key out of range"); } catch (IllegalArgumentException e) { assertEquals("Series index out of bounds", e.getMessage()); } } /** * Some checks for the getItemCount() method. */ @Test public void testGetItemCount() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(3, d.getItemCount(0)); assertEquals(3, d.getItemCount(1)); // try an index out of bounds try { d.getItemCount(2); fail("IllegalArgumentException should have been thrown on key out of range"); } catch (IllegalArgumentException e) { assertEquals("Series index out of bounds", e.getMessage()); } } private static final double EPSILON = 0.0000000001; /** * Some checks for the getXValue() method. */ @Test public void testGetXValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(1.0, d.getXValue(0, 0), EPSILON); assertEquals(2.0, d.getXValue(0, 1), EPSILON); assertEquals(3.0, d.getXValue(0, 2), EPSILON); assertEquals(11.0, d.getXValue(1, 0), EPSILON); assertEquals(12.0, d.getXValue(1, 1), EPSILON); assertEquals(13.0, d.getXValue(1, 2), EPSILON); } /** * Some checks for the getYValue() method. */ @Test public void testGetYValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(4.0, d.getYValue(0, 0), EPSILON); assertEquals(5.0, d.getYValue(0, 1), EPSILON); assertEquals(6.0, d.getYValue(0, 2), EPSILON); assertEquals(14.0, d.getYValue(1, 0), EPSILON); assertEquals(15.0, d.getYValue(1, 1), EPSILON); assertEquals(16.0, d.getYValue(1, 2), EPSILON); } /** * Some checks for the getStartXValue() method. */ @Test public void testGetStartXValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(0.9, d.getStartXValue(0, 0), EPSILON); assertEquals(1.9, d.getStartXValue(0, 1), EPSILON); assertEquals(2.9, d.getStartXValue(0, 2), EPSILON); assertEquals(10.9, d.getStartXValue(1, 0), EPSILON); assertEquals(11.9, d.getStartXValue(1, 1), EPSILON); assertEquals(12.9, d.getStartXValue(1, 2), EPSILON); } /** * Some checks for the getEndXValue() method. */ @Test public void testGetEndXValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(1.1, d.getEndXValue(0, 0), EPSILON); assertEquals(2.1, d.getEndXValue(0, 1), EPSILON); assertEquals(3.1, d.getEndXValue(0, 2), EPSILON); assertEquals(11.1, d.getEndXValue(1, 0), EPSILON); assertEquals(12.1, d.getEndXValue(1, 1), EPSILON); assertEquals(13.1, d.getEndXValue(1, 2), EPSILON); } /** * Some checks for the getStartYValue() method. */ @Test public void testGetStartYValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(1.09, d.getStartYValue(0, 0), EPSILON); assertEquals(2.09, d.getStartYValue(0, 1), EPSILON); assertEquals(3.09, d.getStartYValue(0, 2), EPSILON); assertEquals(11.09, d.getStartYValue(1, 0), EPSILON); assertEquals(12.09, d.getStartYValue(1, 1), EPSILON); assertEquals(13.09, d.getStartYValue(1, 2), EPSILON); } /** * Some checks for the getEndYValue() method. */ @Test public void testGetEndYValue() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(1.11, d.getEndYValue(0, 0), EPSILON); assertEquals(2.11, d.getEndYValue(0, 1), EPSILON); assertEquals(3.11, d.getEndYValue(0, 2), EPSILON); assertEquals(11.11, d.getEndYValue(1, 0), EPSILON); assertEquals(12.11, d.getEndYValue(1, 1), EPSILON); assertEquals(13.11, d.getEndYValue(1, 2), EPSILON); } /** * Confirm that the equals method can distinguish all the required fields. */ @Test public void testEquals() { DefaultIntervalXYDataset d1 = new DefaultIntervalXYDataset(); DefaultIntervalXYDataset d2 = new DefaultIntervalXYDataset(); assertEquals(d1, d2); assertEquals(d2, d1); d1 = createSampleDataset1(); assertFalse(d1.equals(d2)); d2 = createSampleDataset1(); assertEquals(d1, d2); } /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { DefaultIntervalXYDataset d1 = new DefaultIntervalXYDataset(); DefaultIntervalXYDataset d2 = (DefaultIntervalXYDataset) d1.clone(); assertNotSame(d1, d2); assertSame(d1.getClass(), d2.getClass()); assertEquals(d1, d2); // try a dataset with some content... d1 = createSampleDataset1(); d2 = (DefaultIntervalXYDataset) d1.clone(); assertNotSame(d1, d2); assertSame(d1.getClass(), d2.getClass()); assertEquals(d1, d2); } /** * Another test for cloning. */ @Test public void testCloning2() throws CloneNotSupportedException { DefaultIntervalXYDataset d1 = 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}; d1.addSeries("S1", data1); DefaultIntervalXYDataset d2 = (DefaultIntervalXYDataset) d1.clone(); assertNotSame(d1, d2); assertSame(d1.getClass(), d2.getClass()); assertEquals(d1, d2); // check independence x1[0] = 111.1; assertFalse(d1.equals(d2)); } /** * Verify that this class implements {@link PublicCloneable}. */ @Test public void testPublicCloneable() { DefaultIntervalXYDataset d1 = new DefaultIntervalXYDataset(); assertTrue(d1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ @Test public void testSerialization() throws IOException, ClassNotFoundException { DefaultIntervalXYDataset d1 = new DefaultIntervalXYDataset(); ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); DefaultIntervalXYDataset d2 = (DefaultIntervalXYDataset) in.readObject(); in.close(); assertEquals(d1, d2); // try a dataset with some content... d1 = createSampleDataset1(); buffer = new ByteArrayOutputStream(); out = new ObjectOutputStream(buffer); out.writeObject(d1); out.close(); in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); d2 = (DefaultIntervalXYDataset) in.readObject(); in.close(); assertEquals(d1, d2); } /** * Some checks for the indexOf(Comparable) method. */ @Test public void testIndexOf() { DefaultIntervalXYDataset d = createSampleDataset1(); assertEquals(0, d.indexOf("S1")); assertEquals(1, d.indexOf("S2")); assertEquals(-1, d.indexOf("Green Eggs and Ham")); assertEquals(-1, d.indexOf(null)); } /** * Some tests for the addSeries() method. */ @Test public void testAddSeries() { DefaultIntervalXYDataset d = new DefaultIntervalXYDataset(); d.addSeries("S1", new double[][] {{1.0}, {0.5}, {1.5}, {2.0}, {2.5}, {1.5}}); assertEquals(1, d.getSeriesCount()); assertEquals("S1", d.getSeriesKey(0)); // check that adding a series will overwrite the old series d.addSeries("S1", new double[][] {{1.1}, {0.6}, {1.6}, {2.1}, {2.6}, {1.6}}); assertEquals(1, d.getSeriesCount()); assertEquals(2.1, d.getYValue(0, 0), EPSILON); // check null key try { d.addSeries(null, new double[][] {{1.1}, {0.6}, {1.6}, {2.1}, {2.6}, {1.6}}); fail("IllegalArgumentException should have been thrown."); } catch (IllegalArgumentException e) { assertEquals("Null 'seriesKey' argument.", e.getMessage()); } } /** * Creates a sample dataset for testing. * * @return A sample dataset. */ public DefaultIntervalXYDataset createSampleDataset1() { DefaultIntervalXYDataset d = 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}; d.addSeries("S1", data1); double[] x2 = new double[] {11.0, 12.0, 13.0}; double[] x2Start = new double[] {10.9, 11.9, 12.9}; double[] x2End = new double[] {11.1, 12.1, 13.1}; double[] y2 = new double[] {14.0, 15.0, 16.0}; double[] y2Start = new double[] {11.09, 12.09, 13.09}; double[] y2End = new double[] {11.11, 12.11, 13.11}; double[][] data2 = new double[][] {x2, x2Start, x2End, y2, y2Start, y2End}; d.addSeries("S2", data2); return d; } }