rok commented on code in PR #12528:
URL: https://github.com/apache/arrow/pull/12528#discussion_r867156433
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cpp/src/arrow/compute/kernels/scalar_temporal_test.cc:
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@@ -2611,6 +2611,114 @@ TEST_F(ScalarTemporalTest, TestRoundTemporal) {
CheckScalarUnary(op, unit, times, unit, round_15_years, &round_to_15_years);
}
+TEST_F(ScalarTemporalTest, TestCeilFloorRoundTemporalAmbiguous1) {
+ // Asia/Tehran switches from UTC+4:30 to UTC+3:30 on 2022-09-22 00:00:00
UTC+4:30.
+ // This causes an hour long ambiguous period in local time.
+ auto unit = timestamp(TimeUnit::MILLI, "Asia/Tehran");
+ auto options = RoundTemporalOptions(1, CalendarUnit::HOUR,
/*some_parameter=*/true);
+ const char* times = R"([
+ "2022-03-21 19:30:00", "2022-03-21 20:00:00", "2022-03-21 20:30:00",
+ "2022-09-21 18:30:00", "2022-09-21 19:00:00", "2022-09-21 19:30:00",
+ "2022-09-21 20:00:00", "2022-09-21 20:30:00", "2022-09-21 21:00:00",
+ "2022-09-21 21:30:00"])";
+ const char* times_ceil = R"([
+ "2022-03-21 19:30:00", "2022-03-21 20:30:00", "2022-03-21 20:30:00",
+ "2022-09-21 18:30:00", "2022-09-21 19:30:00", "2022-09-21 19:30:00",
+ "2022-09-21 20:30:00", "2022-09-21 20:30:00", "2022-09-21 21:30:00",
+ "2022-09-21 21:30:00"])";
+ const char* times_floor = R"([
+ "2022-03-21 19:30:00", "2022-03-21 19:30:00", "2022-03-21 20:30:00",
+ "2022-09-21 18:30:00", "2022-09-21 18:30:00", "2022-09-21 19:30:00",
+ "2022-09-21 19:30:00", "2022-09-21 20:30:00", "2022-09-21 20:30:00",
+ "2022-09-21 21:30:00"])";
+ const char* times_round = R"([
+ "2022-03-21 19:30:00", "2022-03-21 20:30:00", "2022-03-21 20:30:00",
+ "2022-09-21 18:30:00", "2022-09-21 19:30:00", "2022-09-21 19:30:00",
+ "2022-09-21 20:30:00", "2022-09-21 20:30:00", "2022-09-21 21:30:00",
+ "2022-09-21 21:30:00"])";
+
+ CheckScalarUnary("ceil_temporal", unit, times, unit, times_ceil, &options);
+ CheckScalarUnary("floor_temporal", unit, times, unit, times_floor, &options);
+ CheckScalarUnary("round_temporal", unit, times, unit, times_round, &options);
+}
+
+TEST_F(ScalarTemporalTest, TestCeilFloorRoundTemporalAmbiguous2) {
+ // Europe/Brussels switches from UTC+2:00 to UTC+1:00 on 2022-10-25 03:00:00
UTC+2:00
+ // This causes an hour long ambiguous period in local time.
+ auto unit = timestamp(TimeUnit::NANO, "Europe/Brussels");
+ auto options = RoundTemporalOptions(15, CalendarUnit::MINUTE, true);
Review Comment:
Removed the parameter as it's not relevant for this test.
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