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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2025 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.plaindate.from
description: >
Check that various dates created from calculated properties have the expected
properties
includes: [temporalHelpers.js]
features: [Temporal, Intl.Era-monthcode]
---*/
const options = { overflow: "reject" };
const calendars = [
"buddhist",
"chinese",
"coptic",
"dangi",
"ethioaa",
"ethiopic",
"gregory",
"hebrew",
"indian",
"islamic-civil",
"islamic-tbla",
"islamic-umalqura",
"japanese",
"persian",
"roc",
];
for (const calendar of calendars) {
const year2000 = new Temporal.PlainDate(2000, 1, 1, calendar);
testRoundtrip(year2000, calendar, "ISO date 2000-01-01");
const year1 = new Temporal.PlainDate(1, 1, 1, calendar);
testRoundtrip(year1, calendar, "ISO date 0001-01-01");
}
// Additional cases that were moved in from staging tests, or that we add to
// catch regressions
const additionalCases = [
];
for (const [calendar, isoYear, isoMonth, isoDay, descr] of additionalCases) {
const date = new Temporal.PlainDate(isoYear, isoMonth, isoDay, calendar);
testRoundtrip(date, calendar, descr);
}
function testRoundtrip(date, calendar, descr) {
const dateFromYearMonth = Temporal.PlainDate.from({
calendar,
year: date.year,
month: date.month,
day: date.day,
});
TemporalHelpers.assertPlainDate(
dateFromYearMonth,
date.year, date.month, date.monthCode, date.day,
`${descr} (${calendar}) - created from year and month`,
date.era, date.eraYear);
const dateFromYearMonthCode = Temporal.PlainDate.from({
calendar,
year: date.year,
monthCode: date.monthCode,
day: date.day,
});
TemporalHelpers.assertPlainDate(
dateFromYearMonthCode,
date.year, date.month, date.monthCode, date.day,
`${descr} (${calendar}) - created from year and month code`,
date.era, date.eraYear);
if (date.era === undefined) return; // skip era-less calendars
const dateFromEraMonth = Temporal.PlainDate.from({
calendar,
era: date.era,
eraYear: date.eraYear,
month: date.month,
day: date.day,
});
TemporalHelpers.assertPlainDate(
dateFromEraMonth,
date.year, date.month, date.monthCode, date.day,
`${descr} (${calendar}) - created from era, era year, and month`,
date.era, date.eraYear);
const dateFromEraMonthCode = Temporal.PlainDate.from({
calendar,
era: date.era,
eraYear: date.eraYear,
monthCode: date.monthCode,
day: date.day,
});
TemporalHelpers.assertPlainDate(
dateFromEraMonthCode,
date.year, date.month, date.monthCode, date.day,
`${descr} (${calendar}) - created from era, era year, and month code`,
date.era, date.eraYear);
}
reportCompare(0, 0);