tzdata2017c came out today, and the elves at Google are working hard to incorporate changes in hours or days instead of weeks or quarters. One thing we noticed is that one of the java.time tck tests was broken by tzdata rewrite of history. Here's the fix we're applying (s/1879/1892/g):
@@ -941,21 +941,21 @@ } public void test_Apia_jumpForwardOverInternationalDateLine_P12_to_M12() { - // transition occurred at 1879-07-04T00:00+12:33:04 + // transition occurred at 1892-07-04T00:00+12:33:04 ZoneRules test = pacificApia(); - Instant instantBefore = LocalDate.of(1879, 7, 2).atStartOfDay(ZoneOffset.UTC).toInstant(); + Instant instantBefore = LocalDate.of(1892, 7, 2).atStartOfDay(ZoneOffset.UTC).toInstant(); ZoneOffsetTransition trans = test.nextTransition(instantBefore); - assertEquals(trans.getDateTimeBefore(), LocalDateTime.of(1879, 7, 5, 0, 0)); - assertEquals(trans.getDateTimeAfter(), LocalDateTime.of(1879, 7, 4, 0, 0)); + assertEquals(trans.getDateTimeBefore(), LocalDateTime.of(1892, 7, 5, 0, 0)); + assertEquals(trans.getDateTimeAfter(), LocalDateTime.of(1892, 7, 4, 0, 0)); assertEquals(trans.isGap(), false); assertEquals(trans.isOverlap(), true); assertEquals(trans.isValidOffset(ZoneOffset.ofHoursMinutesSeconds(+12, 33, 4)), true); assertEquals(trans.isValidOffset(ZoneOffset.ofHoursMinutesSeconds(-11, -26, -56)), true); assertEquals(trans.getDuration(), Duration.ofHours(-24)); - assertEquals(trans.getInstant(), LocalDateTime.of(1879, 7, 4, 0, 0).toInstant(ZoneOffset.ofHoursMinutesSeconds(-11, -26, -56))); + assertEquals(trans.getInstant(), LocalDateTime.of(1892, 7, 4, 0, 0).toInstant(ZoneOffset.ofHoursMinutesSeconds(-11, -26, -56))); - ZonedDateTime zdt = ZonedDateTime.of(1879, 7, 4, 23, 0, 0, 0, ZoneId.of("Pacific/Apia")); - assertEquals(zdt.plusHours(2).toLocalDateTime(), LocalDateTime.of(1879, 7, 4, 1, 0, 0)); + ZonedDateTime zdt = ZonedDateTime.of(1892, 7, 4, 23, 0, 0, 0, ZoneId.of("Pacific/Apia")); + assertEquals(zdt.plusHours(2).toLocalDateTime(), LocalDateTime.of(1892, 7, 4, 1, 0, 0)); } //-------------------------------------------------------------------------