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// |reftest| shell-option(--enable-temporal) skip-if(!this.hasOwnProperty('Temporal')||!xulRuntime.shell) -- Temporal is not enabled unconditionally, requires shell-options
// 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: Properly constrain a day that is one past a leap day
features: [Temporal]
---*/
const tests = [
["buddhist", "M02", 30],
["chinese", "M01", 31],
["coptic", "M13", 7],
["dangi", "M01", 31],
["ethioaa", "M13", 7],
["ethiopic", "M13", 7],
["gregory", "M02", 30],
["hebrew", "M02", 31],
["indian", "M01", 32],
["islamic-civil", "M01", 31],
["islamic-tbla", "M01", 31],
["islamic-umalqura", "M01", 31],
["japanese", "M02", 30],
["persian", "M12", 31],
["roc", "M02", 30],
];
for (const [calendar, monthCode, day] of tests) {
const md = Temporal.PlainMonthDay.from({ calendar, monthCode, day }, { overflow: "constrain" });
assert.sameValue(md.day, day - 1,
`${calendar}: ${monthCode}-${day} should constrain to ${day - 1}, not ${day - 2}`)
}
reportCompare(0, 0);