package org.apache.commons.net.time;
/* ====================================================================
*
* The Apache Software License, Version 1.1
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* any, must include the following acknowlegement:
* "This product includes software developed by the
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* ====================================================================
*
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*/
import java.net.InetAddress;
import java.util.Calendar;
import java.io.IOException;
import java.util.TimeZone;
import junit.framework.TestCase;
import org.apache.commons.net.TimeTCPClient;
public class TimeTCPClientTest extends TestCase
{
private TimeTestSimpleServer server1;
private int _port = 3333; // default test port
/***
* main for running the test.
***/
public static void main(String[] args)
{
junit.textui.TestRunner.run(TimeTCPClientTest.class);
}
/***
* open connections needed for the tests for the test.
***/
protected void openConnections() throws Exception
{
try {
server1 = new TimeTestSimpleServer(_port);
server1.connect();
} catch (IOException ioe)
{
// try again on another port
_port = 4000;
server1 = new TimeTestSimpleServer(_port);
server1.connect();
}
server1.start();
}
/***
* tests the constant basetime used by TimeClient against tha
* computed from Calendar class.
*/
public void testInitial() {
TimeZone utcZone = TimeZone.getTimeZone("UTC");
Calendar calendar = Calendar.getInstance(utcZone);
calendar.set(1900, Calendar.JANUARY, 1, 0, 0, 0);
calendar.set(Calendar.MILLISECOND, 0);
long baseTime = calendar.getTime().getTime() / 1000L;
assertTrue(baseTime == -TimeTCPClient.SECONDS_1900_TO_1970);
}
/***
* tests the times retrieved via the Time protocol implementation.
***/
public void testCompareTimes() throws Exception
{
openConnections();
long time, time2;
long clientTime, clientTime2;
try
{
TimeTCPClient client = new TimeTCPClient();
try
{
// We want to timeout if a response takes longer than 60 seconds
client.setDefaultTimeout(60000);
client.connect(InetAddress.getLocalHost(), _port);
clientTime = client.getDate().getTime();
time = System.currentTimeMillis();
} finally
{
client.disconnect();
}
try
{
// We want to timeout if a response takes longer than 60 seconds
client.setDefaultTimeout(60000);
client.connect(InetAddress.getLocalHost(), _port);
clientTime2 = (client.getTime() - TimeTCPClient.SECONDS_1900_TO_1970)*1000L;
time2 = System.currentTimeMillis();
} finally
{
client.disconnect();
}
} finally
{
closeConnections();
}
// current time shouldn't differ from time reported via network by 5 seconds
assertTrue(Math.abs(time - clientTime) < 5000);
assertTrue(Math.abs(time2 - clientTime2) < 5000);
}
/***
* closes all the connections
***/
protected void closeConnections()
{
try
{
server1.stop();
Thread.sleep(1000);
} catch (Exception e)
{
}
}
}
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