| /* |
| * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package test.java.time.zone; |
| |
| import static org.testng.Assert.assertEquals; |
| |
| import java.time.Instant; |
| import java.time.LocalDate; |
| import java.time.LocalDateTime; |
| import java.time.LocalTime; |
| import java.time.ZonedDateTime; |
| import java.time.ZoneId; |
| import java.time.ZoneOffset; |
| import java.time.zone.ZoneOffsetTransition; |
| import java.time.zone.ZoneRules; |
| |
| import org.testng.annotations.Test; |
| import org.testng.annotations.DataProvider; |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| /** |
| * @summary Test ZoneRules whether the savings are positive in time zones that have |
| * negative savings in the source TZ files. Also, check the transition cutover |
| * time beyond 24:00, which should translate into the next day. |
| * |
| * @bug 8212970 |
| */ |
| @Test |
| public class TestZoneRules { |
| |
| private static final ZoneId DUBLIN = ZoneId.of("Europe/Dublin"); |
| private static final ZoneId PRAGUE = ZoneId.of("Europe/Prague"); |
| private static final ZoneId WINDHOEK = ZoneId.of("Africa/Windhoek"); |
| private static final ZoneId CASABLANCA = ZoneId.of("Africa/Casablanca"); |
| |
| private static final ZoneId TOKYO = ZoneId.of("Asia/Tokyo"); |
| private static final LocalTime ONE_AM = LocalTime.of(1, 0); |
| |
| @DataProvider |
| private Object[][] negativeDST () { |
| return new Object[][] { |
| // ZoneId, localDate, offset, standard offset, isDaylightSavings |
| // Europe/Dublin for the Rule "Eire" |
| {DUBLIN, LocalDate.of(1970, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {DUBLIN, LocalDate.of(1971, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {DUBLIN, LocalDate.of(1971, 11, 1), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| {DUBLIN, LocalDate.of(2019, 6, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {DUBLIN, LocalDate.of(2019, 12, 23), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| |
| // Europe/Prague which contains fixed negative savings (not a named Rule) |
| {PRAGUE, LocalDate.of(1946, 9, 30), ZoneOffset.ofHours(2), ZoneOffset.ofHours(1), true}, |
| {PRAGUE, LocalDate.of(1946, 10, 10), ZoneOffset.ofHours(1), ZoneOffset.ofHours(1), false}, |
| {PRAGUE, LocalDate.of(1946, 12, 3), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| {PRAGUE, LocalDate.of(1947, 2, 25), ZoneOffset.ofHours(1), ZoneOffset.ofHours(1), false}, |
| {PRAGUE, LocalDate.of(1947, 4, 30), ZoneOffset.ofHours(2), ZoneOffset.ofHours(1), true}, |
| |
| // Africa/Windhoek for the Rule "Namibia" |
| {WINDHOEK, LocalDate.of(1994, 3, 23), ZoneOffset.ofHours(1), ZoneOffset.ofHours(1), false}, |
| {WINDHOEK, LocalDate.of(2016, 9, 23), ZoneOffset.ofHours(2), ZoneOffset.ofHours(1), true}, |
| |
| // Africa/Casablanca for the Rule "Morocco" Defines negative DST till 2037 as of 2019a. |
| {CASABLANCA, LocalDate.of(1939, 9, 13), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {CASABLANCA, LocalDate.of(1939, 11, 20), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| {CASABLANCA, LocalDate.of(2018, 6, 18), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {CASABLANCA, LocalDate.of(2019, 1, 1), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {CASABLANCA, LocalDate.of(2019, 5, 6), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| {CASABLANCA, LocalDate.of(2037, 10, 5), ZoneOffset.ofHours(0), ZoneOffset.ofHours(0), false}, |
| {CASABLANCA, LocalDate.of(2037, 11, 16), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| {CASABLANCA, LocalDate.of(2038, 11, 8), ZoneOffset.ofHours(1), ZoneOffset.ofHours(0), true}, |
| }; |
| } |
| |
| @DataProvider |
| private Object[][] transitionBeyondDay() { |
| return new Object[][] { |
| // ZoneId, LocalDateTime, beforeOffset, afterOffset |
| |
| // Asserts that the rule: |
| // Rule Japan 1948 1951 - Sep Sat>=8 25:00 0 S |
| // translates to the next day. |
| {TOKYO, LocalDateTime.of(LocalDate.of(1948, 9, 12), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)}, |
| {TOKYO, LocalDateTime.of(LocalDate.of(1949, 9, 11), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)}, |
| {TOKYO, LocalDateTime.of(LocalDate.of(1950, 9, 10), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)}, |
| {TOKYO, LocalDateTime.of(LocalDate.of(1951, 9, 9), ONE_AM), ZoneOffset.ofHours(10), ZoneOffset.ofHours(9)}, |
| }; |
| } |
| |
| @Test(dataProvider="negativeDST") |
| public void test_NegativeDST(ZoneId zid, LocalDate ld, ZoneOffset offset, ZoneOffset stdOffset, boolean isDST) { |
| Instant i = Instant.from(ZonedDateTime.of(ld, LocalTime.MIN, zid)); |
| ZoneRules zr = zid.getRules(); |
| assertEquals(zr.getOffset(i), offset); |
| assertEquals(zr.getStandardOffset(i), stdOffset); |
| assertEquals(zr.isDaylightSavings(i), isDST); |
| } |
| |
| @Test(dataProvider="transitionBeyondDay") |
| public void test_TransitionBeyondDay(ZoneId zid, LocalDateTime ldt, ZoneOffset before, ZoneOffset after) { |
| ZoneOffsetTransition zot = ZoneOffsetTransition.of(ldt, before, after); |
| ZoneRules zr = zid.getRules(); |
| assertTrue(zr.getTransitions().contains(zot)); |
| } |
| } |