1 package org.apache.commons.net.ntp;
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
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38 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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50 * ====================================================================
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56 */
57
58 import java.util.Date;
59 import java.util.Calendar;
60 import junit.framework.TestCase;
61 import org.apache.commons.net.ntp.TimeStamp;
62
63 /***
64 * Test class that validates assertions for the basic TimeStamp operations and comparisons.
65 *
66 * @author Jason Mathews, MITRE Corp
67 */
68 public class TimeStampTest extends TestCase {
69
70 private static final String TIME1 = "c1a9ae1c.cf6ac48d"; // Tue, Dec 17 2002 14:07:24.810 UTC
71 private static final String TIME2 = "c1a9ae1c.cf6ac48f"; // Tue, Dec 17 2002 14:07:24.810 UTC
72 private static final String TIME3 = "c1a9ae1d.cf6ac48e"; // Tue, Dec 17 2002 14:07:25.810 UTC
73
74 /****
75 * main for running the test.
76 ***/
77 public static void main(String args[])
78 {
79 junit.textui.TestRunner.run(TimeStampTest.class);
80 }
81
82 public void testCompare() {
83
84 TimeStamp ts1 = new TimeStamp(TIME1); // Tue, Dec 17 2002 14:07:24.810 UTC
85 TimeStamp ts2 = new TimeStamp(TIME1);
86 TimeStamp ts3 = new TimeStamp(TIME2); // Tue, Dec 17 2002 14:07:24.810 UTC
87 TimeStamp ts4 = new TimeStamp(TIME3); // Tue, Dec 17 2002 14:07:25.810 UTC
88
89 // do assertion tests on TimeStamp class
90 assertEquals("equals(1,2)", ts1, ts2);
91 assertTrue("compareTo(1,2)", ts1.compareTo(ts2) == 0);
92 assertEquals("ntpValue(1,2)", ts1.ntpValue(), ts2.ntpValue());
93 assertEquals("hashCode(1,2)", ts1.hashCode(), ts2.hashCode());
94 assertEquals("ts1==ts1", ts1, ts1);
95
96 // timestamps in ts1 (TIME1) and ts3 (TIME2) are only off by the smallest
97 // fraction of a second (~200 picoseconds) so the times are not equal but
98 // when converted to Java dates (in milliseconds) they will be equal.
99 assertTrue("ts1 != ts3", !ts1.equals(ts3));
100 assertTrue("compareTo(1,3)", ts1.compareTo(ts3) == -1);
101 assertEquals("seconds", ts1.getSeconds(), ts3.getSeconds());
102 assertTrue("fraction", ts1.getFraction() != ts3.getFraction());
103 assertTrue("ntpValue(1,3)", ts1.ntpValue() != ts3.ntpValue());
104 assertTrue("hashCode(1,3)", ts1.hashCode() != ts3.hashCode());
105 long time1 = ts1.getTime();
106 long time3 = ts3.getTime();
107 assertEquals("equals(time1,3)", time1, time3); // ntpTime1 != ntpTime3 but JavaTime(t1) == JavaTime(t3)...
108
109 assertTrue("ts3 != ts4", !ts3.equals(ts4));
110 assertTrue("time3 != ts4.time", time3 != ts4.getTime());
111 }
112
113 public void testUTCString() {
114 TimeStamp ts1 = new TimeStamp(TIME1); // Tue, Dec 17 2002 14:07:24.810 UTC
115 String actual = ts1.toUTCString();
116 assertEquals("Tue, Dec 17 2002 14:07:24.810 UTC", actual);
117 }
118
119 public void testDateConversion() {
120 // convert current date to NtpTimeStamp then compare Java date
121 // computed from NTP timestamp with original Java date.
122 Calendar refCal = Calendar.getInstance(java.util.TimeZone.getTimeZone("UTC"));
123 Date refDate = refCal.getTime();
124 TimeStamp ts = new TimeStamp(refDate);
125 assertEquals("refDate.getTime()", refDate.getTime(), ts.getTime());
126 Date tsDate = ts.getDate();
127 assertEquals(refDate, tsDate);
128 }
129
130 }