snigdhachoppac commented on code in PR #50675:
URL: https://github.com/apache/arrow/pull/50675#discussion_r3663574640
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cpp/src/arrow/compute/kernels/scalar_temporal_test.cc:
##########
@@ -3779,6 +3779,86 @@ TEST_F(ScalarTemporalTest,
TestCeilFloorRoundTemporalDate) {
CheckScalarUnary("ceil_temporal", arr_ns, arr_ns, &round_to_2_hours);
}
+TEST_F(ScalarTemporalTest, TestCeilFloorRoundTemporalDuration) {
+ auto check_unit = [&](TimeUnit::type time_unit, CalendarUnit calendar_unit) {
+ RoundTemporalOptions round_to_2_units(2, calendar_unit);
+ auto values = ArrayFromJSON(duration(time_unit), "[0, 1, 2, 3, -1, -2, -3,
null]");
+
+ CheckScalarUnary("ceil_temporal", values,
+ ArrayFromJSON(duration(time_unit), "[0, 2, 2, 4, 0, -2,
-2, null]"),
+ &round_to_2_units);
+ CheckScalarUnary("floor_temporal", values,
+ ArrayFromJSON(duration(time_unit), "[0, 0, 2, 2, -2, -2,
-4, null]"),
+ &round_to_2_units);
+ CheckScalarUnary("round_temporal", values,
+ ArrayFromJSON(duration(time_unit), "[0, 2, 2, 4, 0, -2,
-2, null]"),
+ &round_to_2_units);
+ };
+
+ check_unit(TimeUnit::SECOND, CalendarUnit::SECOND);
+ check_unit(TimeUnit::MILLI, CalendarUnit::MILLISECOND);
+ check_unit(TimeUnit::MICRO, CalendarUnit::MICROSECOND);
+ check_unit(TimeUnit::NANO, CalendarUnit::NANOSECOND);
+
+ // A day is treated as a physical 24-hour unit for duration values.
+ RoundTemporalOptions round_to_day(1, CalendarUnit::DAY);
+ auto day_values = ArrayFromJSON(duration(TimeUnit::SECOND),
+ "[0, 43200, 86399, 86400, -1, -43200,
null]");
+
+ CheckScalarUnary(
+ "ceil_temporal", day_values,
+ ArrayFromJSON(duration(TimeUnit::SECOND), "[0, 86400, 86400, 86400, 0,
0, null]"),
Review Comment:
I manually re-derived the expected values using fixed-duration boundaries,
including negative values and halfway cases. I also added a pandas integration
test that independently compares Arrow’s results against pandas for
nanoseconds, microseconds, milliseconds, seconds, minutes, hours, days, and
weeks. All 8 parameterized integration cases and the full 55-test C++ temporal
suite pass locally.
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