/* =========================================================== * 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.] * * ------------------ * LogFormatTest.java * ------------------ * (C) Copyright 2008-2013, by Object Refinery Limited and Contributors. * * Original Author: David Gilbert (for Object Refinery Limited); * Contributor(s): -; * * Changes * ------- * 08-Feb-2008 : Version 1 (DG); * 14-Jan-2009 : Updated testEquals() for new field (DG); * */ package org.jfree.chart.util; import java.text.DecimalFormat; import org.jfree.chart.TestUtilities; import org.junit.Test; import static org.junit.Assert.assertTrue; import static org.junit.Assert.assertFalse; import static org.junit.Assert.assertEquals; /** * Tests for the {@link LogFormat} class. */ public class LogFormatTest { /** * Check that the equals() method distinguishes all fields. */ @Test public void testEquals() { LogFormat f1 = new LogFormat(10.0, "10", true); LogFormat f2 = new LogFormat(10.0, "10", true); assertEquals(f1, f2); f1 = new LogFormat(11.0, "10", true); assertFalse(f1.equals(f2)); f2 = new LogFormat(11.0, "10", true); assertTrue(f1.equals(f2)); f1 = new LogFormat(11.0, "11", true); assertFalse(f1.equals(f2)); f2 = new LogFormat(11.0, "11", true); assertTrue(f1.equals(f2)); f1 = new LogFormat(11.0, "11", false); assertFalse(f1.equals(f2)); f2 = new LogFormat(11.0, "11", false); assertTrue(f1.equals(f2)); f1.setExponentFormat(new DecimalFormat("0.000")); assertFalse(f1.equals(f2)); f2.setExponentFormat(new DecimalFormat("0.000")); assertTrue(f1.equals(f2)); } /** * Two objects that are equal are required to return the same hashCode. */ public void testHashcode() { LogFormat f1 = new LogFormat(10.0, "10", true); LogFormat f2 = new LogFormat(10.0, "10", true); assertTrue(f1.equals(f2)); int h1 = f1.hashCode(); int h2 = f2.hashCode(); assertEquals(h1, h2); } /** * Confirm that cloning works. */ public void testCloning() { LogFormat f1 = new LogFormat(10.0, "10", true); LogFormat f2 = (LogFormat) f1.clone(); assertTrue(f1 != f2); assertTrue(f1.getClass() == f2.getClass()); assertTrue(f1.equals(f2)); } /** * Serialize an instance, restore it, and check for equality. */ public void testSerialization() { LogFormat f1 = new LogFormat(10.0, "10", true); LogFormat f2 = (LogFormat) TestUtilities.serialised(f1); assertEquals(f1, f2); } }