/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2005, 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.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* --------------------------
* SimpleTimePeriodTests.java
* --------------------------
* (C) Copyright 2003-2005, by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: SimpleTimePeriodTests.java,v 1.5.2.1 2005/10/25 21:35:47 mungady Exp $
*
* Changes
* -------
* 13-Mar-2003 : Version 1 (DG);
* 21-Oct-2003 : Added hashCode() test (DG);
*
*/
package org.jfree.data.time.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 java.util.Date;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.time.SimpleTimePeriod;
/**
* Tests for the {@link SimpleTimePeriod} class.
*/
public class SimpleTimePeriodTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(SimpleTimePeriodTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public SimpleTimePeriodTests(String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
// no setup
}
/**
* Check that an instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
public void testEqualsSelf() {
SimpleTimePeriod p = new SimpleTimePeriod(
new Date(1000L), new Date(1001L)
);
assertTrue(p.equals(p));
}
/**
* Test the equals() method.
*/
public void testEquals() {
SimpleTimePeriod p1 = new SimpleTimePeriod(
new Date(1000L), new Date(1004L)
);
SimpleTimePeriod p2 = new SimpleTimePeriod(
new Date(1000L), new Date(1004L)
);
assertTrue(p1.equals(p2));
assertTrue(p2.equals(p1));
p1 = new SimpleTimePeriod(new Date(1002L), new Date(1004L));
assertFalse(p1.equals(p2));
p2 = new SimpleTimePeriod(new Date(1002L), new Date(1004L));
assertTrue(p1.equals(p2));
p1 = new SimpleTimePeriod(new Date(1002L), new Date(1003L));
assertFalse(p1.equals(p2));
p2 = new SimpleTimePeriod(new Date(1002L), new Date(1003L));
assertTrue(p1.equals(p2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
SimpleTimePeriod p1 = new SimpleTimePeriod(
new Date(1000L), new Date(1001L)
);
SimpleTimePeriod p2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(p1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
p2 = (SimpleTimePeriod) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(p1, p2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
SimpleTimePeriod s1 = new SimpleTimePeriod(
new Date(10L), new Date(20L)
);
SimpleTimePeriod s2 = new SimpleTimePeriod(
new Date(10L), new Date(20L)
);
assertTrue(s1.equals(s2));
int h1 = s1.hashCode();
int h2 = s2.hashCode();
assertEquals(h1, h2);
}
/**
* This class is immutable, so it should not implement Cloneable.
*/
public void testClone() {
SimpleTimePeriod s1 = new SimpleTimePeriod(
new Date(10L), new Date(20L)
);
assertFalse(s1 instanceof Cloneable);
}
/**
* Some checks for the compareTo() method.
*/
public void testCompareTo() {
SimpleTimePeriod s1 = new SimpleTimePeriod(
new Date(10L), new Date(20L)
);
SimpleTimePeriod s2 = new SimpleTimePeriod(
new Date(10L), new Date(20L)
);
assertEquals(0, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(9L), new Date(21L));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(-1, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(11L), new Date(19L));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(1, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(9L), new Date(19L));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(-1, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(11L), new Date(21));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(1, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(10L), new Date(18));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(-1, s1.compareTo(s2));
s1 = new SimpleTimePeriod(new Date(10L), new Date(22));
s2 = new SimpleTimePeriod(new Date(10L), new Date(20L));
assertEquals(1, s1.compareTo(s2));
}
}