1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 /*
25 * @test
26 * @bug 4958050
27 * @summary Make sure that add() and roll() handle time zone offset changes (both raw and DST) correctly.
28 */
29
30 import java.util.Locale;
31 import java.util.TimeZone;
32 import static java.util.Calendar.*;
33
34 public class Bug4958050 {
35 static int errorCount = 0;
36
37 public static void main(String[] args) {
38 // All the test cases depend on historical GMT offset changes
39 // of Asia/Novosibirsk.
40 Koyomi cal = new Koyomi(TimeZone.getTimeZone("Asia/Novosibirsk"), Locale.US);
41 System.out.println("Time zone = " + cal.getTimeZone().getID());
42
43 // Test the week fields
44 int[] weekFields = { WEEK_OF_YEAR, WEEK_OF_MONTH, DAY_OF_WEEK_IN_MONTH };
45 for (int i = 0; i < weekFields.length; i++) {
46 int field = weekFields[i];
47 // add()
48 cal.clear();
49 cal.set(1919, DECEMBER, 14-7, 23, 50, 00);
50 cal.add(weekFields[i], +1);
51 if (!cal.checkDate(1919, DECEMBER, 14)) {
52 error("1919/12/07: add("+cal.getFieldName(weekFields[i])+", +1)\n"
53 + cal.getMessage()+" " + cal.toDateTimeString());
54 }
55 cal.clear();
56 cal.set(1930, JUNE, 21-7);
57 cal.add(weekFields[i], +1);
58 if (!cal.checkDateTime(1930, JUNE, 21, 01, 00, 00, 000)) {
59 error("1930/6/14: add("+cal.getFieldName(weekFields[i])+", +1)\n"
60 + cal.getMessage()+" " + cal.toDateTimeString());
61 }
62
63 // roll()
64 cal.clear();
65 cal.set(1919, DECEMBER, 14-7, 23, 50, 00);
66 cal.roll(weekFields[i], +1);
67 if (!cal.checkDate(1919, DECEMBER, 14)) {
68 error("1919/12/07: roll("+cal.getFieldName(weekFields[i])+", +1)\n"
69 + cal.getMessage()+" " + cal.toDateTimeString());
70 }
71 cal.clear();
72 cal.set(1930, JUNE, 21-7);
73 cal.roll(weekFields[i], +1);
74 if (!cal.checkDateTime(1930, JUNE, 21, 01, 00, 00, 000)) {
75 error("1930/6/14: roll("+cal.getFieldName(weekFields[i])+", +1)\n"
76 + cal.getMessage()+" " + cal.toDateTimeString());
77 }
78 }
79
80 // Test the day fields
81 int[] dayFields = { DAY_OF_MONTH, DAY_OF_YEAR, DAY_OF_WEEK };
82 for (int i = 0; i < dayFields.length; i++) {
83 int field = dayFields[i];
84 // add()
85 cal.clear();
86 cal.set(1919, DECEMBER, 14-1, 23, 50, 00);
87 cal.add(field, +1);
88 if (!cal.checkDate(1919, DECEMBER, 14)) {
89 error("1919/12/13: add("+cal.getFieldName(field)+", +1)\n"
90 + cal.getMessage()+" " + cal.toDateTimeString());
91 }
92 cal.clear();
93 cal.set(1919, DECEMBER, 14, 00, 00, 00);
94 cal.add(field, -1);
95 if (!cal.checkDate(1919, DECEMBER, 13)) {
96 error("1919/12/14: add("+cal.getFieldName(field)+", -1)\n"
97 + cal.getMessage()+" " + cal.toDateTimeString());
98 }
99 cal.clear();
100 cal.set(1930, JUNE, 21-1);
101 cal.add(field, +1);
102 if (!cal.checkDateTime(1930, JUNE, 21, 01, 00, 00, 000)) {
103 error("1930/6/20: add("+cal.getFieldName(field)+", +1)\n"
104 + cal.getMessage() + cal.toDateTimeString());
105 }
106 cal.clear();
107 cal.set(1930, JUNE, 21, 01, 00, 00);
108 cal.add(field, -1);
109 if (!cal.checkDateTime(1930, JUNE, 20, 01, 00, 00, 000)) {
110 error("1930/6/21: add("+cal.getFieldName(field)+", -1)\n"
111 + cal.getMessage()+" " + cal.toDateTimeString());
112 }
113
114 // roll()
115 cal.clear();
116 cal.set(1930, JUNE, 21-1);
117 int amount = +1;
118 if (field == DAY_OF_WEEK) {
119 amount += 700;
120 }
121 cal.roll(field, amount);
122 if (!cal.checkDateTime(1930, JUNE, 21, 01, 00, 00, 000)) {
123 error("1930/6/20: roll("+cal.getFieldName(field)+", +"+amount+")\n"
124 + cal.getMessage() + " " + cal.toDateTimeString());
125 }
126 cal.clear();
127 cal.set(1930, JUNE, 21, 01, 00, 00);
128 amount = -1;
129 if (field == DAY_OF_WEEK) {
130 amount -= 700;
131 }
132 cal.roll(field, amount);
133 if (!cal.checkDateTime(1930, JUNE, 20, 01, 00, 00, 000)) {
134 error("1930/6/21: roll("+cal.getFieldName(field)+", "+amount+")\n"
135 + cal.getMessage()+" "+cal.toDateTimeString());
136 }
137 }
138
139 // Test the AM_PM field
140 // add()
141 cal.clear();
142 cal.set(1919, DECEMBER, 14-1, 23, 50, 00);
143 cal.add(AM_PM, +1);
144 if (!cal.checkDate(1919, DECEMBER, 14)
145 || !cal.checkFieldValue(AM_PM, AM)) {
146 error("1919/12/13: add(AM_PM, +1)\n"
147 + cal.getMessage()+" "+cal.toDateTimeString());
148 }
149
150 cal.clear();
151 cal.set(1930, JUNE, 21-1, 12, 00, 00);
152 cal.add(AM_PM, +1);
153 if (!cal.checkDate(1930, JUNE, 21)
154 || !cal.checkFieldValue(AM_PM, AM)) {
155 error("1930/6/20: add(AM_PM, +1)\n"
156 + cal.getMessage()+" "+cal.toDateTimeString());
157 }
158
159 cal.clear();
160 cal.set(1930, JUNE, 21-2, 12, 00, 00);
161 cal.add(AM_PM, +3);
162 if (!cal.checkDate(1930, JUNE, 21)
163 || !cal.checkFieldValue(AM_PM, AM)) {
164 error("1930/6/10: add(AM_PM, +3)\n"
165 + cal.getMessage()+" "+cal.toDateTimeString());
166 }
167
168 cal.clear();
169 cal.set(1919, DECEMBER, 14, 11, 50, 00);
170 cal.add(AM_PM, -1);
171 if (!cal.checkDateTime(1919, DECEMBER, 14-1, 23, 50, 00, 000)
172 || !cal.checkFieldValue(AM_PM, PM)) {
173 error("1919/12/14 11:50:00: add(AM_PM, -1)\n"
174 + cal.getMessage()+" "+cal.toDateTimeString());
175 }
176
177 cal.clear();
178 cal.set(1930, JUNE, 21, 01, 00, 00);
179 cal.add(AM_PM, -1);
180 if (!cal.checkDateTime(1930, JUNE, 21-1, 01+12, 00, 00, 000)
181 || !cal.checkFieldValue(AM_PM, PM)) {
182 error("1930/6/20: add(AM_PM, -1)\n"
183 + cal.getMessage()+" "+cal.toDateTimeString());
184 }
185
186 cal.clear();
187 cal.set(1930, JUNE, 21, 01, 00, 00);
188 cal.add(AM_PM, -3);
189 if (!cal.checkDateTime(1930, JUNE, 21-2, 01+12, 00, 00, 000)
190 || !cal.checkFieldValue(AM_PM, PM)) {
191 error("1930/6/10: add(AM_PM, -3)\n"
192 + cal.getMessage()+" "+cal.toDateTimeString());
193 }
194
195 // roll() (should NOT change the date)
196 cal.clear();
197 cal.set(1919, DECEMBER, 14-1, 23, 50, 00);
198 cal.roll(AM_PM, +1);
199 if (!cal.checkDateTime(1919, DECEMBER, 14-1, 23-12, 50, 00, 000)
200 || !cal.checkFieldValue(AM_PM, AM)) {
201 error("1919/12/13: roll(AM_PM, +1)\n"
202 + cal.getMessage()+" "+cal.toDateTimeString());
203 }
204
205 cal.clear();
206 cal.set(1930, JUNE, 21-1, 12, 00, 00);
207 cal.roll(AM_PM, +1);
208 if (!cal.checkDateTime(1930, JUNE, 21-1, 12-12, 00, 00, 000)
209 || !cal.checkFieldValue(AM_PM, AM)) {
210 error("1930/6/20: roll(AM_PM, +1)\n"
211 + cal.getMessage()+" "+cal.toDateTimeString());
212 }
213
214 cal.clear();
215 cal.set(1930, JUNE, 21-2, 12, 00, 00);
216 cal.roll(AM_PM, +3);
217 if (!cal.checkDateTime(1930, JUNE, 21-2, 12-12, 00, 00, 000)
218 || !cal.checkFieldValue(AM_PM, AM)) {
219 error("1930/6/10: roll(AM_PM, +3)\n"
220 + cal.getMessage()+" "+cal.toDateTimeString());
221 }
222
223 // Test the HOUR_OF_DAY field
224 // add()
225 cal.clear();
226 cal.set(1930, JUNE, 20, 23, 00, 00);
227 cal.add(HOUR_OF_DAY, +1);
228 if (!cal.checkDateTime(1930, JUNE, 21, 01, 00, 00, 000)) {
229 error("1930/6/20 23:00:00: add(HOUR_OF_DAY, +1)\n"
230 + cal.getMessage()+" "+cal.toDateTimeString());
231 }
232
233 // roll() (should NOT change the date)
234 cal.clear();
235 cal.set(1930, JUNE, 20, 23, 00, 00);
236 cal.roll(HOUR_OF_DAY, +1);
237 if (!cal.checkDateTime(1930, JUNE, 20, 00, 00, 00, 000)) {
238 error("1930/6/20 23:00:00: roll(HOUR_OF_DAY, +1)\n"
239 + cal.getMessage()+" "+cal.toDateTimeString());
240 }
241
242 checkErrors();
243 }
244
245 static void error(String s) {
246 System.out.println(s);
247 errorCount++;
248 }
249
250 static void checkErrors() {
251 if (errorCount > 0) {
252 throw new RuntimeException("Failed: " + errorCount + " error(s)");
253 }
254 }
255 }