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LibJS: Implement Temporal.ZonedDateTime.prototype.withPlainTime
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@ -64,6 +64,7 @@ void ZonedDateTimePrototype::initialize(GlobalObject& global_object)
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define_native_accessor(vm.names.eraYear, era_year_getter, {}, Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(vm.names.withPlainTime, with_plain_time, 0, attr);
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define_native_function(vm.names.valueOf, value_of, 0, attr);
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define_native_function(vm.names.startOfDay, start_of_day, 0, attr);
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define_native_function(vm.names.toInstant, to_instant, 0, attr);
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@ -702,6 +703,48 @@ JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::era_year_getter)
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return TRY(calendar_era_year(global_object, calendar, *plain_date_time));
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}
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// 6.3.31 Temporal.ZonedDateTime.prototype.withPlainTime ( [ plainTimeLike ] ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.withplaintime
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JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::with_plain_time)
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{
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// 1. Let zonedDateTime be the this value.
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// 2. Perform ? RequireInternalSlot(zonedDateTime, [[InitializedTemporalZonedDateTime]]).
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auto* zoned_date_time = TRY(typed_this_object(global_object));
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PlainTime* plain_time = nullptr;
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// 3. If plainTimeLike is undefined, then
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if (vm.argument(0).is_undefined()) {
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// a. Let plainTime be ? CreateTemporalTime(0, 0, 0, 0, 0, 0).
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plain_time = TRY(create_temporal_time(global_object, 0, 0, 0, 0, 0, 0));
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}
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// 4. Else,
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else {
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// a. Let plainTime be ? ToTemporalTime(plainTimeLike).
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plain_time = TRY(to_temporal_time(global_object, vm.argument(0)));
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}
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// 5. Let timeZone be zonedDateTime.[[TimeZone]].
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auto& time_zone = zoned_date_time->time_zone();
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// 6. Let instant be ! CreateTemporalInstant(zonedDateTime.[[Nanoseconds]]).
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auto* instant = MUST(create_temporal_instant(global_object, zoned_date_time->nanoseconds()));
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// 7. Let calendar be zonedDateTime.[[Calendar]].
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auto& calendar = zoned_date_time->calendar();
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// 8. Let plainDateTime be ? BuiltinTimeZoneGetPlainDateTimeFor(timeZone, instant, calendar).
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auto* plain_date_time = TRY(builtin_time_zone_get_plain_date_time_for(global_object, &time_zone, *instant, calendar));
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// 9. Let resultPlainDateTime be ? CreateTemporalDateTime(plainDateTime.[[ISOYear]], plainDateTime.[[ISOMonth]], plainDateTime.[[ISODay]], plainTime.[[ISOHour]], plainTime.[[ISOMinute]], plainTime.[[ISOSecond]], plainTime.[[ISOMillisecond]], plainTime.[[ISOMicrosecond]], plainTime.[[ISONanosecond]], calendar).
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auto* result_plain_date_time = TRY(create_temporal_date_time(global_object, plain_date_time->iso_year(), plain_date_time->iso_month(), plain_date_time->iso_day(), plain_time->iso_hour(), plain_time->iso_minute(), plain_time->iso_second(), plain_time->iso_millisecond(), plain_time->iso_microsecond(), plain_time->iso_nanosecond(), calendar));
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// 10. Set instant to ? BuiltinTimeZoneGetInstantFor(timeZone, resultPlainDateTime, "compatible").
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instant = TRY(builtin_time_zone_get_instant_for(global_object, &time_zone, *result_plain_date_time, "compatible"sv));
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// 11. Return ! CreateTemporalZonedDateTime(instant.[[Nanoseconds]], timeZone, calendar).
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return MUST(create_temporal_zoned_date_time(global_object, instant->nanoseconds(), time_zone, calendar));
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}
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// 6.3.44 Temporal.ZonedDateTime.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.zoneddatetime.prototype.valueof
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JS_DEFINE_NATIVE_FUNCTION(ZonedDateTimePrototype::value_of)
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{
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@ -49,6 +49,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(offset_getter);
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JS_DECLARE_NATIVE_FUNCTION(era_getter);
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JS_DECLARE_NATIVE_FUNCTION(era_year_getter);
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JS_DECLARE_NATIVE_FUNCTION(with_plain_time);
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JS_DECLARE_NATIVE_FUNCTION(value_of);
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JS_DECLARE_NATIVE_FUNCTION(start_of_day);
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JS_DECLARE_NATIVE_FUNCTION(to_instant);
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@ -0,0 +1,128 @@
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describe("correct behavior", () => {
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test("length is 0", () => {
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expect(Temporal.ZonedDateTime.prototype.withPlainTime).toHaveLength(0);
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});
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function checkCommonExpectedResults(withPlainTimeZonedDateTime) {
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expect(withPlainTimeZonedDateTime.epochNanoseconds).toBe(1636064604200300400n);
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expect(withPlainTimeZonedDateTime.epochMicroseconds).toBe(1636064604200300n);
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expect(withPlainTimeZonedDateTime.epochMilliseconds).toBe(1636064604200);
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expect(withPlainTimeZonedDateTime.epochSeconds).toBe(1636064604);
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expect(withPlainTimeZonedDateTime.year).toBe(2021);
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expect(withPlainTimeZonedDateTime.month).toBe(11);
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expect(withPlainTimeZonedDateTime.monthCode).toBe("M11");
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expect(withPlainTimeZonedDateTime.day).toBe(4);
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expect(withPlainTimeZonedDateTime.hour).toBe(22);
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expect(withPlainTimeZonedDateTime.minute).toBe(23);
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expect(withPlainTimeZonedDateTime.second).toBe(24);
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expect(withPlainTimeZonedDateTime.millisecond).toBe(200);
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expect(withPlainTimeZonedDateTime.microsecond).toBe(300);
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expect(withPlainTimeZonedDateTime.nanosecond).toBe(400);
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expect(withPlainTimeZonedDateTime.dayOfWeek).toBe(4);
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expect(withPlainTimeZonedDateTime.dayOfYear).toBe(308);
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expect(withPlainTimeZonedDateTime.weekOfYear).toBe(44);
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expect(withPlainTimeZonedDateTime.hoursInDay).toBe(24);
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expect(withPlainTimeZonedDateTime.daysInWeek).toBe(7);
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expect(withPlainTimeZonedDateTime.daysInYear).toBe(365);
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expect(withPlainTimeZonedDateTime.monthsInYear).toBe(12);
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expect(withPlainTimeZonedDateTime.inLeapYear).toBeFalse();
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expect(withPlainTimeZonedDateTime.offset).toBe("+00:00");
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expect(withPlainTimeZonedDateTime.offsetNanoseconds).toBe(0);
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}
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test("basic functionality", () => {
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const plainDateTime = new Temporal.PlainDateTime(2021, 11, 4, 21, 16, 56, 100, 200, 300);
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const timeZone = new Temporal.TimeZone("UTC");
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const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
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const plainTime = new Temporal.PlainTime(22, 23, 24, 200, 300, 400);
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const withPlainTimeZonedDateTime = zonedDateTime.withPlainTime(plainTime);
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checkCommonExpectedResults(withPlainTimeZonedDateTime);
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});
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test("plain time-like object", () => {
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const plainDateTime = new Temporal.PlainDateTime(2021, 11, 4, 21, 16, 56, 100, 200, 300);
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const timeZone = new Temporal.TimeZone("UTC");
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const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
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const plainTimeLike = {
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hour: 22,
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minute: 23,
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second: 24,
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millisecond: 200,
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microsecond: 300,
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nanosecond: 400,
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};
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const withPlainTimeZonedDateTime = zonedDateTime.withPlainTime(plainTimeLike);
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checkCommonExpectedResults(withPlainTimeZonedDateTime);
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});
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test("passing no parameters is the equivalent of using startOfDay", () => {
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const plainDateTime = new Temporal.PlainDateTime(2021, 11, 4, 21, 16, 56, 100, 200, 300);
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const timeZone = new Temporal.TimeZone("UTC");
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const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
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const startOfDayZonedDateTime = zonedDateTime.startOfDay();
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const withPlainTimeZonedDateTime = zonedDateTime.withPlainTime();
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expect(startOfDayZonedDateTime.epochNanoseconds).toBe(
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withPlainTimeZonedDateTime.epochNanoseconds
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);
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expect(startOfDayZonedDateTime.epochMicroseconds).toBe(
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withPlainTimeZonedDateTime.epochMicroseconds
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);
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expect(startOfDayZonedDateTime.epochMilliseconds).toBe(
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withPlainTimeZonedDateTime.epochMilliseconds
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);
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expect(startOfDayZonedDateTime.epochSeconds).toBe(withPlainTimeZonedDateTime.epochSeconds);
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expect(startOfDayZonedDateTime.year).toBe(withPlainTimeZonedDateTime.year);
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expect(startOfDayZonedDateTime.month).toBe(withPlainTimeZonedDateTime.month);
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expect(startOfDayZonedDateTime.monthCode).toBe(withPlainTimeZonedDateTime.monthCode);
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expect(startOfDayZonedDateTime.day).toBe(withPlainTimeZonedDateTime.day);
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expect(startOfDayZonedDateTime.hour).toBe(withPlainTimeZonedDateTime.hour);
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expect(startOfDayZonedDateTime.minute).toBe(withPlainTimeZonedDateTime.minute);
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expect(startOfDayZonedDateTime.second).toBe(withPlainTimeZonedDateTime.second);
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expect(startOfDayZonedDateTime.millisecond).toBe(withPlainTimeZonedDateTime.millisecond);
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expect(startOfDayZonedDateTime.microsecond).toBe(withPlainTimeZonedDateTime.microsecond);
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expect(startOfDayZonedDateTime.nanosecond).toBe(withPlainTimeZonedDateTime.nanosecond);
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expect(startOfDayZonedDateTime.dayOfWeek).toBe(withPlainTimeZonedDateTime.dayOfWeek);
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expect(startOfDayZonedDateTime.dayOfYear).toBe(withPlainTimeZonedDateTime.dayOfYear);
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expect(startOfDayZonedDateTime.weekOfYear).toBe(withPlainTimeZonedDateTime.weekOfYear);
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expect(startOfDayZonedDateTime.hoursInDay).toBe(withPlainTimeZonedDateTime.hoursInDay);
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expect(startOfDayZonedDateTime.daysInWeek).toBe(withPlainTimeZonedDateTime.daysInWeek);
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expect(startOfDayZonedDateTime.daysInYear).toBe(withPlainTimeZonedDateTime.daysInYear);
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expect(startOfDayZonedDateTime.monthsInYear).toBe(withPlainTimeZonedDateTime.monthsInYear);
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expect(startOfDayZonedDateTime.inLeapYear).toBe(withPlainTimeZonedDateTime.inLeapYear);
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expect(startOfDayZonedDateTime.offset).toBe(withPlainTimeZonedDateTime.offset);
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expect(startOfDayZonedDateTime.offsetNanoseconds).toBe(
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withPlainTimeZonedDateTime.offsetNanoseconds
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);
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});
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// FIXME: Enable when time string parsing is implemented.
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test.skip("from plain time string", () => {
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const plainDateTime = new Temporal.PlainDateTime(2021, 11, 4, 21, 16, 56, 100, 200, 300);
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const timeZone = new Temporal.TimeZone("UTC");
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const zonedDateTime = plainDateTime.toZonedDateTime(timeZone);
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const withPlainTimeZonedDateTime = zonedDateTime.withPlainTime("22:23:24.200300400");
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checkCommonExpectedResults(withPlainTimeZonedDateTime);
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});
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});
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describe("errors", () => {
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test("this value must be a Temporal.ZonedDateTime object", () => {
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expect(() => {
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Temporal.ZonedDateTime.prototype.withPlainTime.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type Temporal.ZonedDateTime");
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});
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test("invalid plain time-like object", () => {
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expect(() => {
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new Temporal.ZonedDateTime(1n, {}).withPlainTime({});
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}).toThrowWithMessage(TypeError, "Invalid plain time-like object");
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expect(() => {
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new Temporal.ZonedDateTime(1n, {}).withPlainTime({ foo: 1, bar: 2 });
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}).toThrowWithMessage(TypeError, "Invalid plain time-like object");
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});
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});
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