/* ===========================================================
* JFreeChart : a free chart library for the Java(tm) platform
* ===========================================================
*
* (C) Copyright 2000-2004, 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., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ---------------------
* MillisecondTests.java
* ---------------------
* (C) Copyright 2002-2004 by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: MillisecondTests.java,v 1.1 2004/08/31 15:34:54 mungady Exp $
*
* Changes
* -------
* 29-Jan-2002 : Version 1 (DG);
* 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 21-Oct-2003 : Added hashCode tests (DG);
* 29-Apr-2004 : Added test for getMiddleMillisecond() method (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 java.util.TimeZone;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jfree.data.time.Day;
import org.jfree.data.time.Hour;
import org.jfree.data.time.Millisecond;
import org.jfree.data.time.Minute;
import org.jfree.data.time.Second;
import org.jfree.date.SerialDate;
/**
* Tests for the {@link Millisecond} class.
*
*/
public class MillisecondTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return the test suite.
*/
public static Test suite() {
return new TestSuite(MillisecondTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public MillisecondTests(final String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
// no setup
}
/**
* Problem that a Day instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
public void testEqualsSelf() {
final Millisecond millisecond = new Millisecond();
assertTrue(millisecond.equals(millisecond));
}
/**
* Tests the equals method.
*/
public void testEquals() {
final Day day1 = new Day(29, SerialDate.MARCH, 2002);
final Hour hour1 = new Hour(15, day1);
final Minute minute1 = new Minute(15, hour1);
final Second second1 = new Second(34, minute1);
final Millisecond milli1 = new Millisecond(999, second1);
final Day day2 = new Day(29, SerialDate.MARCH, 2002);
final Hour hour2 = new Hour(15, day2);
final Minute minute2 = new Minute(15, hour2);
final Second second2 = new Second(34, minute2);
final Millisecond milli2 = new Millisecond(999, second2);
assertTrue(milli1.equals(milli2));
}
/**
* In GMT, the 4.55:59.123pm on 21 Mar 2002 is java.util.Date(1016729759123L).
* Use this to check the Second constructor.
*/
public void testDateConstructor1() {
final TimeZone zone = TimeZone.getTimeZone("GMT");
final Millisecond m1 = new Millisecond(new Date(1016729759122L), zone);
final Millisecond m2 = new Millisecond(new Date(1016729759123L), zone);
assertEquals(122, m1.getMillisecond());
assertEquals(1016729759122L, m1.getLastMillisecond(zone));
assertEquals(123, m2.getMillisecond());
assertEquals(1016729759123L, m2.getFirstMillisecond(zone));
}
/**
* In Tallinn, the 4.55:59.123pm on 21 Mar 2002 is java.util.Date(1016722559123L).
* Use this to check the Second constructor.
*/
public void testDateConstructor2() {
final TimeZone zone = TimeZone.getTimeZone("Europe/Tallinn");
final Millisecond m1 = new Millisecond(new Date(1016722559122L), zone);
final Millisecond m2 = new Millisecond(new Date(1016722559123L), zone);
assertEquals(122, m1.getMillisecond());
assertEquals(1016722559122L, m1.getLastMillisecond(zone));
assertEquals(123, m2.getMillisecond());
assertEquals(1016722559123L, m2.getFirstMillisecond(zone));
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
final Millisecond m1 = new Millisecond();
Millisecond m2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(m1);
out.close();
final ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
m2 = (Millisecond) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(m1, m2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
final Millisecond m1 = new Millisecond(599, 23, 45, 7, 9, 10, 2007);
final Millisecond m2 = new Millisecond(599, 23, 45, 7, 9, 10, 2007);
assertTrue(m1.equals(m2));
final int hash1 = m1.hashCode();
final int hash2 = m2.hashCode();
assertEquals(hash1, hash2);
}
/**
* A test for bug report 943985 - the calculation for the middle millisecond is
* incorrect for odd milliseconds.
*/
public void test943985() {
Millisecond ms = new Millisecond(new java.util.Date(4));
assertEquals(ms.getFirstMillisecond(), ms.getMiddleMillisecond());
assertEquals(ms.getMiddleMillisecond(), ms.getLastMillisecond());
ms = new Millisecond(new java.util.Date(5));
assertEquals(ms.getFirstMillisecond(), ms.getMiddleMillisecond());
assertEquals(ms.getMiddleMillisecond(), ms.getLastMillisecond());
}
}