/* =========================================================== * JFreeChart : a free chart library for the Java(tm) platform * =========================================================== * * (C) Copyright 2000-2011, 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.] * * -------------------------------- * ComparableObjectSeriesTests.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); * 31-Oct-2007 : New hashCode() test (DG); * */ package org.jfree.data.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.data.ComparableObjectItem; import org.jfree.data.ComparableObjectSeries; /** * Tests for the {@link ComparableObjectSeries} class. */ public class ComparableObjectSeriesTests extends TestCase { static class MyComparableObjectSeries extends ComparableObjectSeries { /** * Creates a new instance. * * @param key the series key. */ public MyComparableObjectSeries(Comparable key) { super(key); } /** * Creates a new instance. * * @param key the series key. * @param autoSort automatically sort by x-value? * @param allowDuplicateXValues allow duplicate values? */ public MyComparableObjectSeries(Comparable key, boolean autoSort, boolean allowDuplicateXValues) { super(key, autoSort, allowDuplicateXValues); } public void add(Comparable x, Object y) { super.add(x, y); } public ComparableObjectItem remove(Comparable x) { return super.remove(x); } } /** * Returns the tests as a test suite. * * @return The test suite. */ public static Test suite() { return new TestSuite(ComparableObjectSeriesTests.class); } /** * Constructs a new set of tests. * * @param name the name of the tests. */ public ComparableObjectSeriesTests(String name) { super(name); } /** * Some checks for the constructor. */ public void testConstructor1() { ComparableObjectSeries s1 = new ComparableObjectSeries("s1"); assertEquals("s1", s1.getKey()); assertNull(s1.getDescription()); assertTrue(s1.getAllowDuplicateXValues()); assertTrue(s1.getAutoSort()); assertEquals(0, s1.getItemCount()); assertEquals(Integer.MAX_VALUE, s1.getMaximumItemCount()); // try null key boolean pass = false; try { /*s1 = */new ComparableObjectSeries(null); } catch (IllegalArgumentException e) { pass = true; } assertTrue(pass); } /** * Confirm that the equals method can distinguish all the required fields. */ public void testEquals() { MyComparableObjectSeries s1 = new MyComparableObjectSeries("A"); MyComparableObjectSeries s2 = new MyComparableObjectSeries("A"); assertTrue(s1.equals(s2)); assertTrue(s2.equals(s1)); // key s1 = new MyComparableObjectSeries("B"); assertFalse(s1.equals(s2)); s2 = new MyComparableObjectSeries("B"); assertTrue(s1.equals(s2)); // autoSort s1 = new MyComparableObjectSeries("B", false, true); assertFalse(s1.equals(s2)); s2 = new MyComparableObjectSeries("B", false, true); assertTrue(s1.equals(s2)); // allowDuplicateXValues s1 = new MyComparableObjectSeries("B", false, false); assertFalse(s1.equals(s2)); s2 = new MyComparableObjectSeries("B", false, false); assertTrue(s1.equals(s2)); // add a value s1.add(new Integer(1), "ABC"); assertFalse(s1.equals(s2)); s2.add(new Integer(1), "ABC"); assertTrue(s1.equals(s2)); // add another value s1.add(new Integer(0), "DEF"); assertFalse(s1.equals(s2)); s2.add(new Integer(0), "DEF"); assertTrue(s1.equals(s2)); // remove an item s1.remove(new Integer(1)); assertFalse(s1.equals(s2)); s2.remove(new Integer(1)); assertTrue(s1.equals(s2)); } /** * Some checks for the clone() method. */ public void testCloning() { MyComparableObjectSeries s1 = new MyComparableObjectSeries("A"); s1.add(new Integer(1), "ABC"); MyComparableObjectSeries s2 = null; try { s2 = (MyComparableObjectSeries) s1.clone(); } catch (CloneNotSupportedException e) { e.printStackTrace(); } assertTrue(s1 != s2); assertTrue(s1.getClass() == s2.getClass()); assertTrue(s1.equals(s2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { MyComparableObjectSeries s1 = new MyComparableObjectSeries("A"); s1.add(new Integer(1), "ABC"); MyComparableObjectSeries s2 = null; try { ByteArrayOutputStream buffer = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(buffer); out.writeObject(s1); out.close(); ObjectInput in = new ObjectInputStream( new ByteArrayInputStream(buffer.toByteArray())); s2 = (MyComparableObjectSeries) in.readObject(); in.close(); } catch (Exception e) { e.printStackTrace(); } assertEquals(s1, s2); } /** * Some simple checks for the hashCode() method. */ public void testHashCode() { MyComparableObjectSeries s1 = new MyComparableObjectSeries("Test"); MyComparableObjectSeries s2 = new MyComparableObjectSeries("Test"); assertEquals(s1, s2); assertEquals(s1.hashCode(), s2.hashCode()); s1.add("A", "1"); s2.add("A", "1"); assertEquals(s1, s2); assertEquals(s1.hashCode(), s2.hashCode()); s1.add("B", null); s2.add("B", null); assertEquals(s1, s2); assertEquals(s1.hashCode(), s2.hashCode()); s1.add("C", "3"); s2.add("C", "3"); assertEquals(s1, s2); assertEquals(s1.hashCode(), s2.hashCode()); s1.add("D", "4"); s2.add("D", "4"); assertEquals(s1, s2); assertEquals(s1.hashCode(), s2.hashCode()); } }