Java tutorial
/* =========================================================== * 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.] * * ----------------------------------- * XIntervalSeriesCollectionTests.java * ----------------------------------- * (C) Copyright 2006-2008, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 20-Oct-2006 : Version 1 (DG); * 18-Jan-2008 : Added testRemoveSeries() (DG); * 22-Apr-2008 : Added testPublicCloneable (DG); * */ package org.jfree.data.xy.junit; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.ObjectInput; import java.io.ObjectInputStream; import java.io.ObjectOutput; import java.io.ObjectOutputStream; import junit.framework.Test; import junit.framework.TestCase; import junit.framework.TestSuite; import org.jfree.chart.util.PublicCloneable; import org.jfree.data.xy.XIntervalSeries; import org.jfree.data.xy.XIntervalSeriesCollection; /** * Tests for the {@link XIntervalSeriesCollection} class. */ public class XIntervalSeriesCollectionTest extends TestCase { /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(XIntervalSeriesCollectionTest.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public XIntervalSeriesCollectionTest(String name) { super(name); } /** * Confirm that the equals method can distinguish all the required fields. */ public void testEquals() { XIntervalSeriesCollection c1 = new XIntervalSeriesCollection(); XIntervalSeriesCollection c2 = new XIntervalSeriesCollection(); assertEquals(c1, c2); // add a series XIntervalSeries s1 = new XIntervalSeries("Series"); s1.add(1.0, 1.1, 1.2, 1.3); c1.addSeries(s1); assertFalse(c1.equals(c2)); XIntervalSeries s2 = new XIntervalSeries("Series"); s2.add(1.0, 1.1, 1.2, 1.3); c2.addSeries(s2); assertTrue(c1.equals(c2)); // add an empty series c1.addSeries(new XIntervalSeries("Empty Series")); assertFalse(c1.equals(c2)); c2.addSeries(new XIntervalSeries("Empty Series")); assertTrue(c1.equals(c2)); } /** * Confirm that cloning works. */ public void testCloning() { XIntervalSeriesCollection c1 = new XIntervalSeriesCollection(); XIntervalSeries s1 = new XIntervalSeries("Series"); s1.add(1.0, 1.1, 1.2, 1.3); c1.addSeries(s1); XIntervalSeriesCollection c2 = null; try { c2 = (XIntervalSeriesCollection) c1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(c1 != c2); assertTrue(c1.getClass() == c2.getClass()); assertTrue(c1.equals(c2)); // check independence s1.setDescription("XYZ"); assertFalse(c1.equals(c2)); } /** * Verify that this class implements {@link PublicCloneable}. */ public void testPublicCloneable() { XIntervalSeriesCollection c1 = new XIntervalSeriesCollection(); assertTrue(c1 instanceof PublicCloneable); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { XIntervalSeriesCollection c1 = new XIntervalSeriesCollection(); XIntervalSeries s1 = new XIntervalSeries("Series"); s1.add(1.0, 1.1, 1.2, 1.3); XIntervalSeriesCollection c2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(c1); out.close(); ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray())); c2 = (XIntervalSeriesCollection) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(c1, c2); } /** * Some basic checks for the removeSeries() method. */ public void testRemoveSeries() { XIntervalSeriesCollection c = new XIntervalSeriesCollection(); XIntervalSeries s1 = new XIntervalSeries("s1"); c.addSeries(s1); c.removeSeries(0); assertEquals(0, c.getSeriesCount()); c.addSeries(s1); boolean pass = false; try { c.removeSeries(-1); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); pass = false; try { c.removeSeries(1); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); } /** * A test for bug report 1170825 (originally affected XYSeriesCollection, * this test is just copied over). */ public void test1170825() { XIntervalSeries s1 = new XIntervalSeries("Series1"); XIntervalSeriesCollection dataset = new XIntervalSeriesCollection(); dataset.addSeries(s1); try { /* XYSeries s = */ dataset.getSeries(1); } catch (IllegalArgumentException e) { // correct outcome } catch (IndexOutOfBoundsException e) { assertTrue(false); // wrong outcome } } }