js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/since/calendar-dateadd-called-with-options-undefined.js

   1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
   2 // Copyright (C) 2021 Igalia, S.L. All rights reserved.
   3 // This code is governed by the BSD license found in the LICENSE file.
   4
   5 /*---
   6 esid: sec-temporal.zoneddatetime.prototype.since
   7 description: >
   8     BuiltinTimeZoneGetInstantFor calls Calendar.dateAdd with undefined as the
   9     options value
  10 includes: [temporalHelpers.js]
  11 features: [Temporal]
  12 ---*/
  13
  14 const calendar = TemporalHelpers.calendarDateAddUndefinedOptions();
  15 const timeZone = TemporalHelpers.oneShiftTimeZone(new Temporal.Instant(0n), 3600e9);
  16 const earlier = new Temporal.ZonedDateTime(0n, timeZone, calendar);
  17 const later = new Temporal.ZonedDateTime(1_213_200_000_000_000n, timeZone, calendar);
  18
  19 // Difference with rounding, with smallestUnit a calendar unit.
  20 // The calls come from these paths:
  21 // ZonedDateTime.since() ->
  22 //   RoundDuration ->
  23 //     MoveRelativeZonedDateTime -> AddZonedDateTime -> calendar.dateAdd()
  24 //     MoveRelativeDate -> calendar.dateAdd()
  25 //   BalanceDurationRelative -> MoveRelativeDate -> calendar.dateAdd()
  26
  27 later.since(earlier, { smallestUnit: "weeks" });
  28 assert.sameValue(calendar.dateAddCallCount, 3, "rounding difference with calendar smallestUnit");
  29
  30 reportCompare(0, 0);