/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2011, 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.]
*
* -------------------
* DateRangeTests.java
* -------------------
* (C) Copyright 2004-2008, by Object Refinery Limited and Contributors.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* Changes
* -------
* 23-Mar-2004 : Version 1 (DG);
* 11-Jan-2005 : Added test to ensure Cloneable is not implemented (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.DateRange;
/**
* Some tests for the {@link DateRange} class.
*/
public class DateRangeTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return The test suite.
*/
public static Test suite() {
return new TestSuite(DateRangeTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public DateRangeTests(String name) {
super(name);
}
/**
* Confirm that the equals method can distinguish all the required fields.
*/
public void testEquals() {
DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
DateRange r2 = new DateRange(new Date(1000L), new Date(2000L));
assertTrue(r1.equals(r2));
assertTrue(r2.equals(r1));
r1 = new DateRange(new Date(1111L), new Date(2000L));
assertFalse(r1.equals(r2));
r2 = new DateRange(new Date(1111L), new Date(2000L));
assertTrue(r1.equals(r2));
r1 = new DateRange(new Date(1111L), new Date(2222L));
assertFalse(r1.equals(r2));
r2 = new DateRange(new Date(1111L), new Date(2222L));
assertTrue(r1.equals(r2));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
DateRange r2 = null;
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(r1);
out.close();
ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray()));
r2 = (DateRange) in.readObject();
in.close();
}
catch (Exception e) {
e.printStackTrace();
}
assertEquals(r1, r2);
}
/**
* The {@link DateRange} class is immutable, so it doesn't need to
* be cloneable.
*/
public void testClone() {
DateRange r1 = new DateRange(new Date(1000L), new Date(2000L));
assertFalse(r1 instanceof Cloneable);
}
/**
* Confirm that a DateRange is immutable.
*/
public void testImmutable() {
Date d1 = new Date(10L);
Date d2 = new Date(20L);
DateRange r = new DateRange(d1, d2);
d1.setTime(11L);
assertEquals(new Date(10L), r.getLowerDate());
r.getUpperDate().setTime(22L);
assertEquals(new Date(20L), r.getUpperDate());
}
}