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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.plainmonthday.from
description: PlainMonthDay can be created for all month codes (M01-M12) in Islamic-umalqura calendar
features: [Temporal, Intl.Era-monthcode]
includes: [temporalHelpers.js]
---*/
// Test that all month codes M01-M12 are valid for the Islamic-umalqura calendar
// Unlike the tabular islamic-civil and islamic-tbla calendars, islamic-umalqura
// is an observational calendar where any month can have either 29 or 30 days
// depending on the year. Therefore, all months support up to 30 days for PlainMonthDay.
const calendar = "islamic-umalqura";
const allMonths = [
["M01", 1972],
["M02", 1970],
["M03", 1971],
["M04", 1972],
["M05", 1971],
["M06", 1972],
["M07", 1969],
["M08", 1972],
["M09", 1972],
["M10", 1970],
["M11", 1972],
["M12", 1971],
];
for (const [monthCode, referenceYear30] of allMonths) {
const pmd = Temporal.PlainMonthDay.from({ calendar, monthCode, day: 1 });
TemporalHelpers.assertPlainMonthDay(pmd, monthCode, 1, `${monthCode}-01`);
const pmd30 = Temporal.PlainMonthDay.from({ calendar, monthCode, day: 30 });
TemporalHelpers.assertPlainMonthDay(pmd30, monthCode, 30, `${monthCode}-30`, referenceYear30);
const constrained = Temporal.PlainMonthDay.from(
{ calendar, monthCode, day: 31 },
{ overflow: "constrain" }
);
TemporalHelpers.assertPlainMonthDay(constrained, monthCode, 30, `day 31 should be constrained to 30 for ${monthCode}`, referenceYear30);
assert.throws(RangeError, () => {
Temporal.PlainMonthDay.from({ calendar, monthCode, day: 31 }, { overflow: "reject" });
}, `${monthCode} with day 31 should throw with reject overflow`);
}
reportCompare(0, 0);