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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.]
*
* --------------------
* DomainOrderTest.java
* --------------------
* (C) Copyright 2005-2013, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 19-May-2005 : Version 1 (DG);
*
*/
package org.jfree.data;
import org.jfree.chart.TestUtilities;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertSame;
/**
* Tests for the {@link DomainOrder} class.
*/
public class DomainOrderTest {
/**
* Some checks for the equals() method.
*/
@Test
public void testEquals() {
assertEquals(DomainOrder.NONE, DomainOrder.NONE);
assertEquals(DomainOrder.ASCENDING, DomainOrder.ASCENDING);
assertEquals(DomainOrder.DESCENDING, DomainOrder.DESCENDING);
assertFalse(DomainOrder.NONE.equals(DomainOrder.ASCENDING));
assertFalse(DomainOrder.NONE.equals(DomainOrder.DESCENDING));
assertFalse(DomainOrder.NONE.equals(null));
assertFalse(DomainOrder.ASCENDING.equals(DomainOrder.NONE));
assertFalse(DomainOrder.ASCENDING.equals(DomainOrder.DESCENDING));
assertFalse(DomainOrder.ASCENDING.equals(null));
assertFalse(DomainOrder.DESCENDING.equals(DomainOrder.NONE));
assertFalse(DomainOrder.DESCENDING.equals(DomainOrder.ASCENDING));
assertFalse(DomainOrder.DESCENDING.equals(null));
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
@Test
public void testHashCode() {
DomainOrder d1 = DomainOrder.ASCENDING;
DomainOrder d2 = DomainOrder.ASCENDING;
assertTrue(d1.equals(d2));
int h1 = d1.hashCode();
int h2 = d2.hashCode();
assertEquals(h1, h2);
}
/**
* Serialize an instance, restore it, and check for equality.
*/
@Test
public void testSerialization() {
DomainOrder d1 = DomainOrder.ASCENDING;
DomainOrder d2 = (DomainOrder) TestUtilities.serialised(d1);
assertSame(d1, d2);
}
}
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