1 package org.apache.commons.net.time;
2
3 /* ====================================================================
4 *
5 * The Apache Software License, Version 1.1
6 *
7 * Copyright (c) 2003 The Apache Software Foundation. All rights
8 * reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 *
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 *
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in
19 * the documentation and/or other materials provided with the
20 * distribution.
21 *
22 * 3. The end-user documentation included with the redistribution, if
23 * any, must include the following acknowlegement:
24 * "This product includes software developed by the
25 * Apache Software Foundation (http://www.apache.org/)."
26 * Alternately, this acknowlegement may appear in the software itself,
27 * if and wherever such third-party acknowlegements normally appear.
28 *
29 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
30 * Foundation" must not be used to endorse or promote products derived
31 * from this software without prior written permission. For written
32 * permission, please contact apache@apache.org.
33 *
34 * 5. Products derived from this software may not be called "Apache"
35 * nor may "Apache" appear in their names without prior written
36 * permission of the Apache Group.
37 *
38 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
39 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
40 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
41 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
44 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
45 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
46 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
47 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
48 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
49 * SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This software consists of voluntary contributions made by many
53 * individuals on behalf of the Apache Software Foundation. For more
54 * information on the Apache Software Foundation, please see
55 * <http://www.apache.org/>.
56 */
57
58 import java.net.InetAddress;
59 import java.util.Calendar;
60 import java.io.IOException;
61 import java.util.TimeZone;
62
63 import junit.framework.TestCase;
64 import org.apache.commons.net.TimeTCPClient;
65
66 public class TimeTCPClientTest extends TestCase
67 {
68 private TimeTestSimpleServer server1;
69
70 private int _port = 3333; // default test port
71
72 /***
73 * main for running the test.
74 ***/
75 public static void main(String[] args)
76 {
77 junit.textui.TestRunner.run(TimeTCPClientTest.class);
78 }
79
80 /***
81 * open connections needed for the tests for the test.
82 ***/
83 protected void openConnections() throws Exception
84 {
85 try {
86 server1 = new TimeTestSimpleServer(_port);
87 server1.connect();
88 } catch (IOException ioe)
89 {
90 // try again on another port
91 _port = 4000;
92 server1 = new TimeTestSimpleServer(_port);
93 server1.connect();
94 }
95 server1.start();
96 }
97
98 /***
99 * tests the constant basetime used by TimeClient against tha
100 * computed from Calendar class.
101 */
102 public void testInitial() {
103 TimeZone utcZone = TimeZone.getTimeZone("UTC");
104 Calendar calendar = Calendar.getInstance(utcZone);
105 calendar.set(1900, Calendar.JANUARY, 1, 0, 0, 0);
106 calendar.set(Calendar.MILLISECOND, 0);
107 long baseTime = calendar.getTime().getTime() / 1000L;
108
109 assertTrue(baseTime == -TimeTCPClient.SECONDS_1900_TO_1970);
110 }
111
112 /***
113 * tests the times retrieved via the Time protocol implementation.
114 ***/
115 public void testCompareTimes() throws Exception
116 {
117 openConnections();
118
119 long time, time2;
120 long clientTime, clientTime2;
121 try
122 {
123 TimeTCPClient client = new TimeTCPClient();
124 try
125 {
126 // We want to timeout if a response takes longer than 60 seconds
127 client.setDefaultTimeout(60000);
128 client.connect(InetAddress.getLocalHost(), _port);
129 clientTime = client.getDate().getTime();
130 time = System.currentTimeMillis();
131 } finally
132 {
133 client.disconnect();
134 }
135
136 try
137 {
138 // We want to timeout if a response takes longer than 60 seconds
139 client.setDefaultTimeout(60000);
140 client.connect(InetAddress.getLocalHost(), _port);
141 clientTime2 = (client.getTime() - TimeTCPClient.SECONDS_1900_TO_1970)*1000L;
142 time2 = System.currentTimeMillis();
143 } finally
144 {
145 client.disconnect();
146 }
147
148 } finally
149 {
150 closeConnections();
151 }
152
153 // current time shouldn't differ from time reported via network by 5 seconds
154 assertTrue(Math.abs(time - clientTime) < 5000);
155 assertTrue(Math.abs(time2 - clientTime2) < 5000);
156 }
157
158 /***
159 * closes all the connections
160 ***/
161 protected void closeConnections()
162 {
163 try
164 {
165 server1.stop();
166 Thread.sleep(1000);
167 } catch (Exception e)
168 {
169 }
170 }
171 }
172