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1
3 package jodd.datetime;
4
5 import java.util.Calendar  ;
6 import java.util.GregorianCalendar ;
7 import java.util.Random ;
8
9 import junit.framework.TestCase;
10
11 public class TimeUtilTest extends TestCase {
12
13 public void testFromJulian() {
14
15 DateTimeStamp time;
16 time = TimeUtil.fromJulianDate(0.0);
17 assertEquals("-4712-1-1 12:0:0.0", time.toString());
18
19 time = TimeUtil.fromJulianDate(59.0);
20 assertEquals("-4712-2-29 12:0:0.0", time.toString());
21
22 time = TimeUtil.fromJulianDate(366.0);
23 assertEquals("-4711-1-1 12:0:0.0", time.toString());
24
25 time = TimeUtil.fromJulianDate(731.0);
26 assertEquals("-4710-1-1 12:0:0.0", time.toString());
27
28 time = TimeUtil.fromJulianDate(1721058.0);
29 assertEquals("0-1-1 12:0:0.0", time.toString());
30
31 time = TimeUtil.fromJulianDate(1721057.0);
32 assertEquals("-1-12-31 12:0:0.0", time.toString());
33
34 time = TimeUtil.fromJulianDate(1721117.0);
35 assertEquals("0-2-29 12:0:0.0", time.toString());
36
37 time = TimeUtil.fromJulianDate(1721118.0);
38 assertEquals("0-3-1 12:0:0.0", time.toString());
39
40 time = TimeUtil.fromJulianDate(1721423.0);
41 assertEquals("0-12-31 12:0:0.0", time.toString());
42
43 time = TimeUtil.fromJulianDate(1721424.0);
44 assertEquals("1-1-1 12:0:0.0", time.toString());
45
46 time = TimeUtil.fromJulianDate(2440587.5);
47 assertEquals("1970-1-1 0:0:0.0", time.toString());
48
49 time = TimeUtil.fromJulianDate(2451774.726007);
50 assertEquals("2000-8-18 5:25:27.004", time.toString());
51
52 time = TimeUtil.fromJulianDate(2451774.72600701);
53 assertEquals("2000-8-18 5:25:27.005", time.toString());
54
55 time = TimeUtil.fromJulianDate(2451774.72600702);
56 assertEquals("2000-8-18 5:25:27.006", time.toString());
57
58 time = TimeUtil.fromJulianDate(2299160.49998901);
59 assertEquals("1582-10-4 23:59:59.05", time.toString());
60
61 time = TimeUtil.fromJulianDate(2299160.5);
62 assertEquals("1582-10-15 0:0:0.0", time.toString());
63
64 time = TimeUtil.fromJulianDate(2147438064.499989);
65 assertEquals("5874773-8-15 23:59:59.052", time.toString());
66 }
67
68 public void testFix() {
69 DateTimeStamp t = new DateTimeStamp();
70 t.year = 2003;
71 t.month = 7;
72 t.day = 26;
73 t.hour = 0;
74 t.minute = 0;
75 t.second = 2;
76 double jd = TimeUtil.toJulianDate(t).doubleValue();
77 DateTimeStamp t2 = TimeUtil.fromJulianDate(jd);
78 assertFalse(t.toString().equals(t2.toString()));
79
80 JulianDateStamp jds = TimeUtil.toJulianDate(t);
81 t2 = TimeUtil.fromJulianDate(jds);
82 assertEquals(t.toString(), t2.toString());
83 }
84
85 public void testMonteCarlo() {
86 Random r = new Random ();
87 for (int i = 0; i < 5000000; i++) {
88 double jd = r.nextFloat() * 3e6;
89 DateTimeStamp t = TimeUtil.fromJulianDate(jd);
90 double jd2 = TimeUtil.toJulianDate(t).doubleValue();
91 assertEquals(jd, jd2, 0.000000001);
92 }
93 }
94
95 public void testDates() {
96 DateTimeStamp t = new DateTimeStamp();
97 GregorianCalendar gc = new GregorianCalendar ();
98 for (int y = 1970; y < 2100; y++) {
99 gc.set(y, 0, 1);
100 t.year = y;
101 for (int i = 0; i < 365; i++) {
102 t.month = gc.get(Calendar.MONTH) + 1;
103 t.day = gc.get(Calendar.DAY_OF_MONTH);
104 t.hour = t.minute = 0; t.second = 0.0;
105 double jd = TimeUtil.toJulianDate(t).doubleValue();
106 DateTimeStamp t2 = TimeUtil.fromJulianDate(jd);
107 assertEquals(t.toString(), t2.toString());
108 gc.add(Calendar.DAY_OF_YEAR, 1);
109 }
110 }
111 }
112
113
114 public void testTimes() {
115 DateTimeStamp t = new DateTimeStamp();
116 GregorianCalendar gc = new GregorianCalendar ();
117 t.year = gc.get(Calendar.YEAR);
118 gc.set(t.year, gc.get(Calendar.MONTH), gc.get(Calendar.DAY_OF_MONTH), 0, 0, 0);
119 for (int day = 0; day < 1; day++) {
120 t.month = gc.get(Calendar.MONTH) + 1;
121 t.day = gc.get(Calendar.DAY_OF_MONTH);
122 for (int i = 0; i < 86400; i++) {
123 t.hour = gc.get(Calendar.HOUR_OF_DAY);
124 t.minute = gc.get(Calendar.MINUTE);
125 t.second = gc.get(Calendar.SECOND);
126 JulianDateStamp jds = TimeUtil.toJulianDate(t);
127 DateTimeStamp t2 = TimeUtil.fromJulianDate(jds);
128 assertEquals(t.toString(), t2.toString());
129 gc.add(Calendar.SECOND, 1);
130 }
131 gc.add(Calendar.DAY_OF_YEAR, 1);
132 }
133 }
134
135 public void testDayOfYear() {
136
137 int doy = TimeUtil.dayOfYear(2003, 1, 1);
138 assertEquals(1, doy);
139
140 doy = TimeUtil.dayOfYear(2003, 2, 1);
141 assertEquals(32, doy);
142
143 doy = TimeUtil.dayOfYear(2003, 12, 31);
144 assertEquals(365, doy);
145
146 doy = TimeUtil.dayOfYear(2004, 12, 31);
147 assertEquals(366, doy);
148
149 doy = TimeUtil.dayOfYear(2000, 12, 31);
150 assertEquals(366, doy);
151
152 }
153
154 public void testSetAccumulation() {
155 DateTimeStamp gts1 = new DateTimeStamp(2003, 11, 24, 21, 40, 38.173);
156 DateTimeStamp gts2 = new DateTimeStamp(2003, 11, 24, 21, 40, 38.173);
157 assertEquals(0, gts1.compareTo(gts2));
158 assertEquals(0, gts2.compareTo(gts1));
159
160 for (int i = 0; i < 100; i++) {
161 JulianDateStamp jds = TimeUtil.toJulianDate(gts2);
162 gts2 = TimeUtil.fromJulianDate(jds);
163 }
164 assertEquals(0, gts1.compareTo(gts2));
165 assertEquals(0, gts2.compareTo(gts1));
166 }
167
168
169 public void testSetDateAccumulation() {
170 DateTimeStamp gts1 = new DateTimeStamp(2003, 11, 24, 21, 40, 38.173);
171 DateTimeStamp gts2 = new DateTimeStamp(2003, 11, 24, 21, 40, 38.173);
172 assertEquals(0, gts1.compareTo(gts2));
173 assertEquals(0, gts2.compareTo(gts1));
174
175 for (int i = 0; i < 100; i++) {
176 JulianDateStamp jds = TimeUtil.toJulianDate(2003, 11, 24, gts2.hour, gts2.minute, gts2.second);
177 gts2 = TimeUtil.fromJulianDate(jds);
178 }
179 assertEquals(0, gts1.compareTo(gts2));
180 assertEquals(0, gts2.compareTo(gts1));
181 }
182
183
184
185 }
186 |
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