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 package test.java.time.zone;
25
26 import java.time.DayOfWeek;
27 import java.time.Instant;
28 import java.time.LocalDate;
29 import java.time.LocalDateTime;
30 import java.time.LocalTime;
31 import java.time.Month;
32 import java.time.Year;
33 import java.time.ZonedDateTime;
34 import java.time.ZoneId;
35 import java.time.ZoneOffset;
36 import java.time.zone.ZoneOffsetTransition;
37 import java.time.zone.ZoneOffsetTransitionRule;
38 import java.time.zone.ZoneRules;
39 import java.util.Collections;
40
41 import org.testng.annotations.Test;
42 import org.testng.annotations.DataProvider;
43 import static org.testng.Assert.assertEquals;
44 import static org.testng.Assert.assertTrue;
45
46 /**
47 * @summary Tests for ZoneRules class.
48 *
49 * @bug 8212970 8236903
50 */
51 @Test
52 public class TestZoneRules {
53
54 private static final ZoneId DUBLIN = ZoneId.of("Europe/Dublin");
55 private static final ZoneId PRAGUE = ZoneId.of("Europe/Prague");
56 private static final ZoneId WINDHOEK = ZoneId.of("Africa/Windhoek");
57 private static final ZoneId CASABLANCA = ZoneId.of("Africa/Casablanca");
58
59 private static final ZoneId TOKYO = ZoneId.of("Asia/Tokyo");
60 private static final LocalTime ONE_AM = LocalTime.of(1, 0);
61
62 @DataProvider
63 private Object[][] negativeDST () {
64 return new Object[][] {
65 // ZoneId, localDate, offset, standard offset, isDaylightSavings
66 // Europe/Dublin for the Rule "Eire"
67 {DUBLIN, LocalDate.of(1970, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
68 {DUBLIN, LocalDate.of(1971, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
69 {DUBLIN, LocalDate.of(1971, 11, 1), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false},
91 {CASABLANCA, LocalDate.of(2037, 11, 16), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
92 {CASABLANCA, LocalDate.of(2038, 11, 1), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
93 };
94 }
95
96 @DataProvider
97 private Object[][] transitionBeyondDay() {
98 return new Object[][] {
99 // ZoneId, LocalDateTime, beforeOffset, afterOffset
100
101 // Asserts that the rule:
102 // Rule Japan 1948 1951 - Sep Sat>=8 25:00 0 S
103 // translates to the next day.
104 {TOKYO, LocalDateTime.of(LocalDate.of(1948, 9, 12), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
105 {TOKYO, LocalDateTime.of(LocalDate.of(1949, 9, 11), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
106 {TOKYO, LocalDateTime.of(LocalDate.of(1950, 9, 10), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
107 {TOKYO, LocalDateTime.of(LocalDate.of(1951, 9, 9), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
108 };
109 }
110
111 /**
112 * Test ZoneRules whether the savings are positive in time zones that have
113 * negative savings in the source TZ files.
114 * @bug 8212970
115 */
116 @Test(dataProvider="negativeDST")
117 public void test_NegativeDST(ZoneId zid, LocalDate ld, ZoneOffset offset, ZoneOffset stdOffset, boolean isDST) {
118 Instant i = Instant.from(ZonedDateTime.of(ld, LocalTime.MIN, zid));
119 ZoneRules zr = zid.getRules();
120 assertEquals(zr.getOffset(i), offset);
121 assertEquals(zr.getStandardOffset(i), stdOffset);
122 assertEquals(zr.isDaylightSavings(i), isDST);
123 }
124
125 /**
126 * Check the transition cutover time beyond 24:00, which should translate into the next day.
127 * @bug 8212970
128 */
129 @Test(dataProvider="transitionBeyondDay")
130 public void test_TransitionBeyondDay(ZoneId zid, LocalDateTime ldt, ZoneOffset before, ZoneOffset after) {
154 offsetZero,
155 offsetPlusOneHour);
156 ZoneOffsetTransitionRule transitionRule = ZoneOffsetTransitionRule.of(Month.JANUARY,
157 1,
158 DayOfWeek.SUNDAY,
159 LocalTime.MIDNIGHT,
160 true,
161 ZoneOffsetTransitionRule.TimeDefinition.STANDARD,
162 offsetZero,
163 offsetZero,
164 offsetPlusOneHour);
165 ZoneRules zoneRulesB = ZoneRules.of(offsetZero,
166 offsetZero,
167 Collections.singletonList(transition),
168 Collections.singletonList(transition),
169 Collections.singletonList(transitionRule));
170 ZoneOffset offsetA = zoneRulesA.getOffset(maxLocalDateTime);
171 ZoneOffset offsetB = zoneRulesB.getOffset(maxLocalDateTime);
172 assertEquals(offsetA, offsetB);
173 }
174 }
|
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 package test.java.time.zone;
25
26 import java.time.DayOfWeek;
27 import java.time.Duration;
28 import java.time.Instant;
29 import java.time.LocalDate;
30 import java.time.LocalDateTime;
31 import java.time.LocalTime;
32 import java.time.Month;
33 import java.time.Year;
34 import java.time.ZonedDateTime;
35 import java.time.ZoneId;
36 import java.time.ZoneOffset;
37 import java.time.zone.ZoneOffsetTransition;
38 import java.time.zone.ZoneOffsetTransitionRule;
39 import java.time.zone.ZoneRules;
40 import java.util.Arrays;
41 import java.util.Collections;
42
43 import org.testng.annotations.Test;
44 import org.testng.annotations.DataProvider;
45 import static org.testng.Assert.assertEquals;
46 import static org.testng.Assert.assertTrue;
47
48 /**
49 * @summary Tests for ZoneRules class.
50 *
51 * @bug 8212970 8236903 8239836
52 */
53 @Test
54 public class TestZoneRules {
55
56 private static final ZoneId DUBLIN = ZoneId.of("Europe/Dublin");
57 private static final ZoneId PRAGUE = ZoneId.of("Europe/Prague");
58 private static final ZoneId WINDHOEK = ZoneId.of("Africa/Windhoek");
59 private static final ZoneId CASABLANCA = ZoneId.of("Africa/Casablanca");
60
61 private static final ZoneId TOKYO = ZoneId.of("Asia/Tokyo");
62 private static final LocalTime ONE_AM = LocalTime.of(1, 0);
63
64 @DataProvider
65 private Object[][] negativeDST () {
66 return new Object[][] {
67 // ZoneId, localDate, offset, standard offset, isDaylightSavings
68 // Europe/Dublin for the Rule "Eire"
69 {DUBLIN, LocalDate.of(1970, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
70 {DUBLIN, LocalDate.of(1971, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
71 {DUBLIN, LocalDate.of(1971, 11, 1), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false},
93 {CASABLANCA, LocalDate.of(2037, 11, 16), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
94 {CASABLANCA, LocalDate.of(2038, 11, 1), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true},
95 };
96 }
97
98 @DataProvider
99 private Object[][] transitionBeyondDay() {
100 return new Object[][] {
101 // ZoneId, LocalDateTime, beforeOffset, afterOffset
102
103 // Asserts that the rule:
104 // Rule Japan 1948 1951 - Sep Sat>=8 25:00 0 S
105 // translates to the next day.
106 {TOKYO, LocalDateTime.of(LocalDate.of(1948, 9, 12), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
107 {TOKYO, LocalDateTime.of(LocalDate.of(1949, 9, 11), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
108 {TOKYO, LocalDateTime.of(LocalDate.of(1950, 9, 10), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
109 {TOKYO, LocalDateTime.of(LocalDate.of(1951, 9, 9), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)},
110 };
111 }
112
113 @DataProvider
114 private Object[][] emptyTransitionList() {
115 return new Object[][] {
116 // days, offset, std offset, savings, isDST
117 {7, 1, 2, -1, true},
118 {-7, 1, 1, 0, false},
119 };
120 }
121
122 /**
123 * Test ZoneRules whether the savings are positive in time zones that have
124 * negative savings in the source TZ files.
125 * @bug 8212970
126 */
127 @Test(dataProvider="negativeDST")
128 public void test_NegativeDST(ZoneId zid, LocalDate ld, ZoneOffset offset, ZoneOffset stdOffset, boolean isDST) {
129 Instant i = Instant.from(ZonedDateTime.of(ld, LocalTime.MIN, zid));
130 ZoneRules zr = zid.getRules();
131 assertEquals(zr.getOffset(i), offset);
132 assertEquals(zr.getStandardOffset(i), stdOffset);
133 assertEquals(zr.isDaylightSavings(i), isDST);
134 }
135
136 /**
137 * Check the transition cutover time beyond 24:00, which should translate into the next day.
138 * @bug 8212970
139 */
140 @Test(dataProvider="transitionBeyondDay")
141 public void test_TransitionBeyondDay(ZoneId zid, LocalDateTime ldt, ZoneOffset before, ZoneOffset after) {
165 offsetZero,
166 offsetPlusOneHour);
167 ZoneOffsetTransitionRule transitionRule = ZoneOffsetTransitionRule.of(Month.JANUARY,
168 1,
169 DayOfWeek.SUNDAY,
170 LocalTime.MIDNIGHT,
171 true,
172 ZoneOffsetTransitionRule.TimeDefinition.STANDARD,
173 offsetZero,
174 offsetZero,
175 offsetPlusOneHour);
176 ZoneRules zoneRulesB = ZoneRules.of(offsetZero,
177 offsetZero,
178 Collections.singletonList(transition),
179 Collections.singletonList(transition),
180 Collections.singletonList(transitionRule));
181 ZoneOffset offsetA = zoneRulesA.getOffset(maxLocalDateTime);
182 ZoneOffset offsetB = zoneRulesB.getOffset(maxLocalDateTime);
183 assertEquals(offsetA, offsetB);
184 }
185
186 /**
187 * Tests whether empty "transitionList" is correctly interpreted.
188 * @bug 8239836
189 */
190 @Test(dataProvider="emptyTransitionList")
191 public void test_EmptyTransitionList(int days, int offset, int stdOffset, int savings, boolean isDST) {
192 LocalDateTime transitionDay = LocalDateTime.of(2020, 1, 1, 2, 0);
193 Instant testDay = transitionDay.plusDays(days).toInstant(ZoneOffset.UTC);
194 ZoneOffsetTransition trans = ZoneOffsetTransition.of(
195 transitionDay,
196 ZoneOffset.ofHours(1),
197 ZoneOffset.ofHours(2));
198 ZoneRules rules = ZoneRules.of(ZoneOffset.ofHours(1), ZoneOffset.ofHours(1),
199 Arrays.asList(trans),
200 Collections.emptyList(), Collections.emptyList());
201
202 assertEquals(rules.getOffset(testDay), ZoneOffset.ofHours(offset));
203 assertEquals(rules.getStandardOffset(testDay), ZoneOffset.ofHours(stdOffset));
204 assertEquals(rules.getDaylightSavings(testDay), Duration.ofHours(savings));
205 assertEquals(rules.isDaylightSavings(testDay), isDST);
206 assertTrue(!rules.isFixedOffset());
207 }
208 }
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