1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
|
/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.java.util;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Locale;
import java.util.TimeZone;
import libcore.util.SerializationTester;
public class CalendarTest extends junit.framework.TestCase {
private static final TimeZone AMERICA_SAO_PAULO = TimeZone.getTimeZone("America/Sao_Paulo");
/** This zone's DST offset is only 30 minutes. */
private static final TimeZone AUSTRALIA_LORD_HOWE = TimeZone.getTimeZone("Australia/Lord_Howe");
/**
* This zone had once used DST but doesn't currently. Any code that uses
* TimeZone.useDaylightTime() as an optimization will probably be broken
* for this zone.
*/
private static final TimeZone ASIA_KUALA_LUMPUR = TimeZone.getTimeZone("Asia/Kuala_Lumpur");
private static final TimeZone ASIA_SEOUL = TimeZone.getTimeZone("Asia/Seoul");
// http://code.google.com/p/android/issues/detail?id=6184
public void test_setTimeZone() {
// The specific time zones don't matter; they just have to be different so we can see that
// get(Calendar.ZONE_OFFSET) returns the zone offset of the time zone passed to setTimeZone.
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.US);
assertEquals(0, cal.get(Calendar.ZONE_OFFSET));
TimeZone tz = java.util.TimeZone.getTimeZone("GMT+7");
cal.setTimeZone(tz);
assertEquals(25200000, cal.get(Calendar.ZONE_OFFSET));
}
public void testAddOneDayOverDstForwardAdds23HoursAt0100() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 9, 15, 1, 0); // 01:00 GMT-3
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 1);
assertEquals(23.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 16, 1, 0); // 01:00 GMT-2; +23 hours
}
/**
* At their daylight savings time switch, Sao Paulo changes from
* "00:00 GMT-3" to "01:00 GMT-2". When adding time across this boundary,
* drop an hour to keep the hour+minute constant unless that prevents the
* date field from being incremented.
* http://code.google.com/p/android/issues/detail?id=17502
*/
public void testAddOneDayOverDstForwardAdds24HoursAt0000() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 9, 15, 0, 0); // 00:00 GMT-3
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 1);
assertEquals(24.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 16, 1, 0); // 01:00 GMT-2; +24 hours
}
public void testAddOneDayOverDstBackAdds25HoursAt0000() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 1, 19, 0, 0); // 00:00 GMT-2
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 1);
assertEquals(25.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 1, 20, 0, 0); // 00:00 GMT-3; +25 hours
}
public void testAddOneDayOverDstBackAdds25HoursAt0100() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 1, 19, 1, 0); // 00:00 GMT-2
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 1);
assertEquals(25.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 1, 20, 1, 0); // 00:00 GMT-3; +25 hours
}
public void testAddTwoHalfDaysOverDstForwardAdds23HoursAt0100() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 9, 15, 1, 0); // 01:00 GMT-3
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.AM_PM, 2);
assertEquals(23.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 16, 1, 0); // 01:00 GMT-2; +23 hours
}
public void testAdd24HoursOverDstForwardAdds24Hours() {
Calendar calendar = new GregorianCalendar(AMERICA_SAO_PAULO);
calendar.set(2011, 9, 15, 1, 0); // 01:00 GMT-3
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.HOUR, 24);
assertEquals(24.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 16, 2, 0); // 02:00 GMT-2; +24 hours
}
public void testAddOneDayAndOneDayOver30MinuteDstForwardAdds48Hours() {
Calendar calendar = new GregorianCalendar(AUSTRALIA_LORD_HOWE);
calendar.set(2011, 9, 1, 2, 10); // 02:10 GMT+10:30
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 1);
calendar.add(Calendar.DATE, 1);
// The RI fails this test by returning 47.0. It adjusts for DST on both of the add() calls!
assertEquals(48.0, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 3, 2, 40); // 02:40 GMT+11:00; +48.0 hours
}
public void testAddTwoDaysOver30MinuteDstForwardAdds47AndAHalfHours() {
Calendar calendar = new GregorianCalendar(AUSTRALIA_LORD_HOWE);
calendar.set(2011, 9, 1, 2, 10); // 02:10 GMT+10:30
double hoursSinceEpoch = hoursSinceEpoch(calendar);
calendar.add(Calendar.DATE, 2);
assertEquals(47.5, hoursSinceEpoch(calendar) - hoursSinceEpoch);
assertCalendarEquals(calendar, 2011, 9, 3, 2, 10); // 02:10 GMT+11:00; +47.5 hours
}
// http://code.google.com/p/android/issues/detail?id=17741
public void testNewCalendarKoreaIsSelfConsistent() {
testSetSelfConsistent(ASIA_SEOUL, 1921, 0, 1);
testSetSelfConsistent(ASIA_SEOUL, 1955, 0, 1);
testSetSelfConsistent(ASIA_SEOUL, 1962, 0, 1);
testSetSelfConsistent(ASIA_SEOUL, 2065, 0, 1);
}
// http://code.google.com/p/android/issues/detail?id=15629
public void testSetTimeInZoneWhereDstIsNoLongerUsed() throws Exception {
testSetSelfConsistent(ASIA_KUALA_LUMPUR, 1970, 0, 1);
}
private void testSetSelfConsistent(TimeZone timeZone, int year, int month, int day) {
int hour = 0;
int minute = 0;
Calendar calendar = new GregorianCalendar(timeZone);
calendar.clear();
calendar.set(year, month, day, hour, minute);
assertEquals(year, calendar.get(Calendar.YEAR));
assertEquals(month, calendar.get(Calendar.MONTH));
assertEquals(day, calendar.get(Calendar.DAY_OF_MONTH));
assertEquals(hour, calendar.get(Calendar.HOUR_OF_DAY));
assertEquals(minute, calendar.get(Calendar.MINUTE));
}
// http://b/5179775
public void testCalendarSerialization() {
String s = "aced00057372001b6a6176612e7574696c2e477265676f7269616e43616c656e6461728f3dd7d6e"
+ "5b0d0c103000749000f63757272656e7459656172536b65774a0010677265676f7269616e4375746"
+ "f7665725a000869734361636865644a00126c6173744d69646e696768744d696c6c697349000c6c6"
+ "1737459656172536b65774a00126e6578744d69646e696768744d696c6c69735b000c63616368656"
+ "44669656c64737400025b49787200126a6176612e7574696c2e43616c656e646172e6ea4d1ec8dc5"
+ "b8e03000b5a000c6172654669656c647353657449000e66697273744461794f665765656b5a00096"
+ "97354696d655365745a00076c656e69656e744900166d696e696d616c44617973496e46697273745"
+ "765656b4900096e6578745374616d7049001573657269616c56657273696f6e4f6e53747265616d4"
+ "a000474696d655b00066669656c647371007e00015b000569735365747400025b5a4c00047a6f6e6"
+ "57400144c6a6176612f7574696c2f54696d655a6f6e653b787001000000010101000000040000000"
+ "20000000100000000a15c9800757200025b494dba602676eab2a5020000787000000011000000010"
+ "00007b20000000100000005000000010000000100000020000000010000000100000000000000000"
+ "0000000000000000000000000000000fe488c0000000000757200025b5a578f203914b85de202000"
+ "07870000000110101010101010101010101010101010101737200186a6176612e7574696c2e53696"
+ "d706c6554696d655a6f6e65fa675d60d15ef5a603001049000a647374536176696e6773490006656"
+ "e6444617949000c656e644461794f665765656b490007656e644d6f6465490008656e644d6f6e746"
+ "8490007656e6454696d654900097261774f666673657449001573657269616c56657273696f6e4f6"
+ "e53747265616d490008737461727444617949000e73746172744461794f665765656b49000973746"
+ "172744d6f646549000a73746172744d6f6e7468490009737461727454696d6549000973746172745"
+ "96561725a000b7573654461796c696768745b000b6d6f6e74684c656e6774687400025b427872001"
+ "26a6176612e7574696c2e54696d655a6f6e6531b3e9f57744aca10200014c000249447400124c6a6"
+ "176612f6c616e672f537472696e673b7870740009474d542d30383a30300036ee800000000000000"
+ "001000000000000000000000000fe488c00000000010000000000000001000000000000000000000"
+ "0000000000000757200025b42acf317f8060854e002000078700000000c1f1c1f1e1f1e1f1f1e1f1"
+ "e1f7708000000040001000178780000000afffff4e2f964ac0001000000009fa5240000000000000"
+ "00000a4cb7c187571007e00060000000a000007b2000000010000000100000001fe488c000000000"
+ "10000000500000001000000200000000178";
Calendar calendar = new GregorianCalendar(1970, 1, 1, 0, 0, 0);
calendar.setTimeZone(TimeZone.getTimeZone("GMT-08:00"));
// Starting from ICU4.8 release, the default minimalDaysInFirstWeek changed from 4 to 1.
calendar.setMinimalDaysInFirstWeek(4);
new SerializationTester<Calendar>(calendar, s).test();
}
private void assertCalendarEquals(Calendar calendar,
int year, int month, int day, int hour, int minute) {
assertEquals(year, calendar.get(Calendar.YEAR));
assertEquals(month, calendar.get(Calendar.MONTH));
assertEquals(day, calendar.get(Calendar.DATE));
assertEquals(hour, calendar.get(Calendar.HOUR_OF_DAY));
assertEquals(minute, calendar.get(Calendar.MINUTE));
}
private static double hoursSinceEpoch(Calendar c) {
double ONE_HOUR = 3600d * 1000d;
return c.getTimeInMillis() / ONE_HOUR;
}
// https://code.google.com/p/android/issues/detail?id=45877
public void test_clear_45877() {
GregorianCalendar cal = new GregorianCalendar(TimeZone.getTimeZone("America/Los_Angeles"));
cal.set(Calendar.YEAR, 1970);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.clear(Calendar.HOUR_OF_DAY);
cal.clear(Calendar.HOUR);
cal.clear(Calendar.MINUTE);
cal.clear(Calendar.SECOND);
cal.clear(Calendar.MILLISECOND);
// Now we have a mix of set and unset fields.
assertTrue(cal.isSet(Calendar.DAY_OF_MONTH));
assertFalse(cal.isSet(Calendar.HOUR_OF_DAY));
// When we call get, unset fields are computed.
assertEquals(0, cal.get(Calendar.HOUR_OF_DAY));
// And set fields stay the same.
assertEquals(1, cal.get(Calendar.DAY_OF_MONTH));
// ...so now everything is set.
assertTrue(cal.isSet(Calendar.DAY_OF_MONTH));
assertTrue(cal.isSet(Calendar.HOUR_OF_DAY));
assertEquals(28800000, cal.getTimeInMillis());
cal.set(Calendar.HOUR_OF_DAY, 1);
assertEquals(32400000, cal.getTimeInMillis());
}
}
|
