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.] * * ---------------------------------- * DefaultKeyedValuesDatasetTest.java * ---------------------------------- * (C) Copyright 2003-2013, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 13-Mar-2003 : Version 1 (DG); * */ package org.jfree.data.general; import org.jfree.chart.TestUtilities; import org.junit.Test; import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertEquals; /** * Tests for the {@link DefaultKeyedValuesDataset} class. */ public class DefaultKeyedValuesDatasetTest { /** * Confirm that cloning works. */ @Test public void testCloning() throws CloneNotSupportedException { DefaultKeyedValuesDataset d1 = new DefaultKeyedValuesDataset(); d1.setValue("V1", new Integer(1)); d1.setValue("V2", null); d1.setValue("V3", new Integer(3)); DefaultKeyedValuesDataset d2 = (DefaultKeyedValuesDataset) d1.clone(); assertTrue(d1 != d2); assertTrue(d1.getClass() == d2.getClass()); assertTrue(d1.equals(d2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { DefaultKeyedValuesDataset d1 = new DefaultKeyedValuesDataset(); d1.setValue("C1", new Double(234.2)); d1.setValue("C2", null); d1.setValue("C3", new Double(345.9)); d1.setValue("C4", new Double(452.7)); KeyedValuesDataset d2 = (KeyedValuesDataset) TestUtilities.serialised(d1); assertEquals(d1, d2); } }