package org.apache.commons.net.ntp;
/* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.util.Date;
import java.util.Calendar;
import junit.framework.TestCase;
import org.apache.commons.net.ntp.TimeStamp;
/**
* Test class that validates assertions for the basic TimeStamp operations and comparisons.
*
* @author Jason Mathews, MITRE Corp
*/
public class TimeStampTest extends TestCase {
private static final String TIME1 = "c1a9ae1c.cf6ac48d"; // Tue, Dec 17 2002 14:07:24.810 UTC
private static final String TIME2 = "c1a9ae1c.cf6ac48f"; // Tue, Dec 17 2002 14:07:24.810 UTC
private static final String TIME3 = "c1a9ae1d.cf6ac48e"; // Tue, Dec 17 2002 14:07:25.810 UTC
/***
* main for running the test.
***/
public static void main(String args[])
{
junit.textui.TestRunner.run(TimeStampTest.class);
}
public void testCompare() {
TimeStamp ts1 = new TimeStamp(TIME1); // Tue, Dec 17 2002 14:07:24.810 UTC
TimeStamp ts2 = new TimeStamp(TIME1);
TimeStamp ts3 = new TimeStamp(TIME2); // Tue, Dec 17 2002 14:07:24.810 UTC
TimeStamp ts4 = new TimeStamp(TIME3); // Tue, Dec 17 2002 14:07:25.810 UTC
// do assertion tests on TimeStamp class
assertEquals("equals(1,2)", ts1, ts2);
assertTrue("compareTo(1,2)", ts1.compareTo(ts2) == 0);
assertEquals("ntpValue(1,2)", ts1.ntpValue(), ts2.ntpValue());
assertEquals("hashCode(1,2)", ts1.hashCode(), ts2.hashCode());
assertEquals("ts1==ts1", ts1, ts1);
// timestamps in ts1 (TIME1) and ts3 (TIME2) are only off by the smallest
// fraction of a second (~200 picoseconds) so the times are not equal but
// when converted to Java dates (in milliseconds) they will be equal.
assertTrue("ts1 != ts3", !ts1.equals(ts3));
assertTrue("compareTo(1,3)", ts1.compareTo(ts3) == -1);
assertEquals("seconds", ts1.getSeconds(), ts3.getSeconds());
assertTrue("fraction", ts1.getFraction() != ts3.getFraction());
assertTrue("ntpValue(1,3)", ts1.ntpValue() != ts3.ntpValue());
assertTrue("hashCode(1,3)", ts1.hashCode() != ts3.hashCode());
long time1 = ts1.getTime();
long time3 = ts3.getTime();
assertEquals("equals(time1,3)", time1, time3); // ntpTime1 != ntpTime3 but JavaTime(t1) == JavaTime(t3)...
assertTrue("ts3 != ts4", !ts3.equals(ts4));
assertTrue("time3 != ts4.time", time3 != ts4.getTime());
}
public void testUTCString() {
TimeStamp ts1 = new TimeStamp(TIME1); // Tue, Dec 17 2002 14:07:24.810 UTC
String actual = ts1.toUTCString();
assertEquals("Tue, Dec 17 2002 14:07:24.810 UTC", actual);
}
public void testDateConversion() {
// convert current date to NtpTimeStamp then compare Java date
// computed from NTP timestamp with original Java date.
Calendar refCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
Date refDate = refCal.getTime();
TimeStamp ts = new TimeStamp(refDate);
assertEquals("refDate.getTime()", refDate.getTime(), ts.getTime());
Date tsDate = ts.getDate();
assertEquals(refDate, tsDate);
}
}