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- /* ===========================================================
- * 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.]
- *
- * -------------------------
- * FixedMillisecondTest.java
- * -------------------------
- * (C) Copyright 2002-2013, by Object Refinery Limited.
- *
- * Original Author: David Gilbert (for Object Refinery Limited);
- * Contributor(s): -;
- *
- * Changes
- * -------
- * 29-Jan-2002 : Version 1 (DG);
- * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
- * 21-Oct-2003 : Added hashCode test (DG);
- * 28-May-2008 : Added test for immutability (DG);
- *
- */
- package org.jfree.data.time;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertEquals;
- import java.util.Date;
- import org.jfree.chart.TestUtilities;
- import org.junit.Test;
- /**
- * Tests for the {@link FixedMillisecond} class.
- */
- public class FixedMillisecondTest {
- /**
- * Serialize an instance, restore it, and check for equality.
- */
- @Test
- public void testSerialization() {
- FixedMillisecond m1 = new FixedMillisecond();
- FixedMillisecond m2 = (FixedMillisecond) TestUtilities.serialised(m1);
- assertEquals(m1, m2);
- }
- /**
- * Two objects that are equal are required to return the same hashCode.
- */
- @Test
- public void testHashcode() {
- FixedMillisecond m1 = new FixedMillisecond(500000L);
- FixedMillisecond m2 = new FixedMillisecond(500000L);
- assertTrue(m1.equals(m2));
- int h1 = m1.hashCode();
- int h2 = m2.hashCode();
- assertEquals(h1, h2);
- }
- /**
- * The {@link FixedMillisecond} class is immutable, so should not be
- * {@link Cloneable}.
- */
- @Test
- public void testNotCloneable() {
- FixedMillisecond m = new FixedMillisecond(500000L);
- assertFalse(m instanceof Cloneable);
- }
- /**
- * A check for immutability.
- */
- @Test
- public void testImmutability() {
- Date d = new Date(20L);
- FixedMillisecond fm = new FixedMillisecond(d);
- d.setTime(22L);
- assertEquals(20L, fm.getFirstMillisecond());
- }
- }
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