/* ===========================================================
* 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.]
*
* --------------
* HourTests.java
* --------------
* (C) Copyright 2002, 2003 by Object Refinery Limited.
*
* Original Author: David Gilbert (for Object Refinery Limited);
* Contributor(s): -;
*
* $Id: HourTests.java,v 1.1 2004/08/31 15:34:53 mungady Exp $
*
* Changes
* -------
* 29-Jan-2002 : Version 1 (DG);
* 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
* 13-Mar-2003 : Added serialization test (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 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.date.SerialDate;
/**
* Tests for the {@link Hour} class.
*
*/
public class HourTests extends TestCase {
/**
* Returns the tests as a test suite.
*
* @return the test suite.
*/
public static Test suite() {
return new TestSuite(HourTests.class);
}
/**
* Constructs a new set of tests.
*
* @param name the name of the tests.
*/
public HourTests(final String name) {
super(name);
}
/**
* Common test setup.
*/
protected void setUp() {
// no setup
}
/**
* Problem that an Hour instance is equal to itself.
*
* SourceForge Bug ID: 558850.
*/
public void testEqualsSelf() {
final Hour hour = new Hour();
assertTrue(hour.equals(hour));
}
/**
* Tests the equals method.
*/
public void testEquals() {
final Hour hour1 = new Hour(15, new Day(29, SerialDate.MARCH, 2002));
final Hour hour2 = new Hour(15, new Day(29, SerialDate.MARCH, 2002));
assertTrue(hour1.equals(hour2));
}
/**
* In GMT, the 4pm on 21 Mar 2002 is java.util.Date(1,014,307,200,000L). Use this to check the
* hour constructor.
*/
public void testDateConstructor1() {
final TimeZone zone = TimeZone.getTimeZone("GMT");
final Hour h1 = new Hour(new Date(1014307199999L), zone);
final Hour h2 = new Hour(new Date(1014307200000L), zone);
assertEquals(15, h1.getHour());
assertEquals(1014307199999L, h1.getLastMillisecond(zone));
assertEquals(16, h2.getHour());
assertEquals(1014307200000L, h2.getFirstMillisecond(zone));
}
/**
* In Sydney, the 4pm on 21 Mar 2002 is java.util.Date(1,014,267,600,000L).
* Use this to check the hour constructor.
*/
public void testDateConstructor2() {
final TimeZone zone = TimeZone.getTimeZone("Australia/Sydney");
final Hour h1 = new Hour(new Date(1014267599999L), zone);
final Hour h2 = new Hour (new Date(1014267600000L), zone);
assertEquals(15, h1.getHour());
assertEquals(1014267599999L, h1.getLastMillisecond(zone));
assertEquals(16, h2.getHour());
assertEquals(1014267600000L, h2.getFirstMillisecond(zone));
}
/**
* Set up an hour equal to hour zero, 1 January 1900. Request the previous hour, it should be
* null.
*/
public void testFirstHourPrevious() {
final Hour first = new Hour(0, new Day(1, SerialDate.JANUARY, 1900));
final Hour previous = (Hour) first.previous();
assertNull(previous);
}
/**
* Set up an hour equal to hour zero, 1 January 1900. Request the next hour, it should be
* null.
*/
public void testFirstHourNext() {
final Hour first = new Hour(0, new Day(1, SerialDate.JANUARY, 1900));
final Hour next = (Hour) first.next();
assertEquals(1, next.getHour());
assertEquals(1900, next.getYear());
}
/**
* Set up an hour equal to hour zero, 1 January 1900. Request the previous hour, it should be
* null.
*/
public void testLastHourPrevious() {
final Hour last = new Hour(23, new Day(31, SerialDate.DECEMBER, 9999));
final Hour previous = (Hour) last.previous();
assertEquals(22, previous.getHour());
assertEquals(9999, previous.getYear());
}
/**
* Set up an hour equal to hour zero, 1 January 1900. Request the next hour, it should be
* null.
*/
public void testLastHourNext() {
final Hour last = new Hour(23, new Day(31, SerialDate.DECEMBER, 9999));
final Hour next = (Hour) last.next();
assertNull(next);
}
/**
* Problem for date parsing.
*/
public void testParseHour() {
// test 1...
final Hour h = Hour.parseHour("2002-01-29 13");
assertEquals(13, h.getHour());
}
/**
* Serialize an instance, restore it, and check for equality.
*/
public void testSerialization() {
final Hour h1 = new Hour();
Hour h2 = null;
try {
final ByteArrayOutputStream buffer = new ByteArrayOutputStream();
final ObjectOutput out = new ObjectOutputStream(buffer);
out.writeObject(h1);
out.close();
final ObjectInput in = new ObjectInputStream(
new ByteArrayInputStream(buffer.toByteArray())
);
h2 = (Hour) in.readObject();
in.close();
}
catch (Exception e) {
System.out.println(e.toString());
}
assertEquals(h1, h2);
}
/**
* Two objects that are equal are required to return the same hashCode.
*/
public void testHashcode() {
final Hour h1 = new Hour(7, 9, 10, 1999);
final Hour h2 = new Hour(7, 9, 10, 1999);
assertTrue(h1.equals(h2));
final int hash1 = h1.hashCode();
final int hash2 = h2.hashCode();
assertEquals(hash1, hash2);
}
}