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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.zoneddatetime.from
description: >
Correct time zone calls are made when converting a ZonedDateTime-like property
bag denoting an ambiguous wall-clock time
includes: [temporalHelpers.js, compareArray.js]
features: [Temporal]
---*/
const actual = [];
const dstTimeZone = TemporalHelpers.springForwardFallBackTimeZone();
const timeZone = TemporalHelpers.timeZoneObserver(actual, "timeZone", {
getOffsetNanosecondsFor: dstTimeZone.getOffsetNanosecondsFor.bind(dstTimeZone),
getPossibleInstantsFor: dstTimeZone.getPossibleInstantsFor.bind(dstTimeZone),
});
const calendar = TemporalHelpers.calendarObserver(actual, "calendar");
const expected = [
// GetTemporalCalendarSlotValueWithISODefault
"has calendar.dateAdd",
"has calendar.dateFromFields",
"has calendar.dateUntil",
"has calendar.day",
"has calendar.dayOfWeek",
"has calendar.dayOfYear",
"has calendar.daysInMonth",
"has calendar.daysInWeek",
"has calendar.daysInYear",
"has calendar.fields",
"has calendar.id",
"has calendar.inLeapYear",
"has calendar.mergeFields",
"has calendar.month",
"has calendar.monthCode",
"has calendar.monthDayFromFields",
"has calendar.monthsInYear",
"has calendar.weekOfYear",
"has calendar.year",
"has calendar.yearMonthFromFields",
"has calendar.yearOfWeek",
// lookup in ToTemporalZonedDateTime
"get calendar.dateFromFields",
"get calendar.fields",
// CalendarFields
"call calendar.fields",
// ToTemporalTimeZoneSlotValue
"has timeZone.getOffsetNanosecondsFor",
"has timeZone.getPossibleInstantsFor",
"has timeZone.id",
// InterpretTemporalDateTimeFields
"call calendar.dateFromFields",
// lookup in ToTemporalZonedDateTime
"get timeZone.getOffsetNanosecondsFor",
"get timeZone.getPossibleInstantsFor",
];
Temporal.ZonedDateTime.from(
{ year: 2000, month: 4, day: 2, hour: 2, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "use" }
);
assert.compareArray(actual, expected, "order of operations converting property bag at skipped wall-clock time with offset: use");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 4, day: 2, hour: 2, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "ignore" }
);
assert.compareArray(actual, expected.concat([
// InterpretISODateTimeOffset
"call timeZone.getPossibleInstantsFor",
// DisambiguatePossibleInstants
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getPossibleInstantsFor",
]), "order of operations converting property bag at skipped wall-clock time with offset: ignore");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 4, day: 2, hour: 2, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "prefer" }
);
assert.compareArray(actual, expected.concat([
// InterpretISODateTimeOffset
"call timeZone.getPossibleInstantsFor",
// DisambiguatePossibleInstants
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getPossibleInstantsFor",
]), "order of operations converting property bag at skipped wall-clock time with offset: prefer");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 10, day: 29, hour: 1, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "use" }
);
assert.compareArray(actual, expected, "order of operations converting property bag at repeated wall-clock time with offset: use");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 10, day: 29, hour: 1, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "ignore" }
);
assert.compareArray(actual, expected.concat([
// InterpretISODateTimeOffset
"call timeZone.getPossibleInstantsFor",
]), "order of operations converting property bag at repeated wall-clock time with offset: ignore");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 10, day: 29, hour: 1, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "prefer" }
);
assert.compareArray(actual, expected.concat([
// InterpretISODateTimeOffset
"call timeZone.getPossibleInstantsFor",
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getOffsetNanosecondsFor",
]), "order of operations converting property bag at repeated wall-clock time with offset: prefer");
actual.splice(0); // clear
Temporal.ZonedDateTime.from(
{ year: 2000, month: 10, day: 29, hour: 1, minute: 30, offset: "-08:00", timeZone, calendar },
{ offset: "reject" }
);
assert.compareArray(actual, expected.concat([
// InterpretISODateTimeOffset
"call timeZone.getPossibleInstantsFor",
"call timeZone.getOffsetNanosecondsFor",
"call timeZone.getOffsetNanosecondsFor",
]), "order of operations converting property bag at repeated wall-clock time with offset: reject");
actual.splice(0); // clear
reportCompare(0, 0);
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