Source code
Revision control
Copy as Markdown
Other Tools
// |reftest| shell-option(--enable-temporal) skip-if(!this.hasOwnProperty('Temporal')||!xulRuntime.shell) -- Temporal is not enabled unconditionally, requires shell-options
// Copyright (C) 2021 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: Fallback value for overflow option
info: |
sec-getoption step 3:
3. If _value_ is *undefined*, return _fallback_.
sec-temporal-totemporaloverflow step 1:
1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*).
sec-temporal-totemporalmonthday steps 3–4:
3. If Type(_item_) is Object, then
...
j. Return ? MonthDayFromFields(_calendar_, _fields_, _options_).
4. Perform ? ToTemporalOverflow(_options_).
sec-temporal.plainmonthday.from steps 2–3:
2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalMonthDay]] internal slot, then
a. Perform ? ToTemporalOverflow(_options_).
b. Return ...
3. Return ? ToTemporalMonthDay(_item_, _options_).
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const validValues = [
new Temporal.PlainMonthDay(5, 2),
"05-02",
];
validValues.forEach((value) => {
const explicit = Temporal.PlainMonthDay.from(value, { overflow: undefined });
TemporalHelpers.assertPlainMonthDay(explicit, "M05", 2, "overflow is ignored");
const implicit = Temporal.PlainMonthDay.from(value, {});
TemporalHelpers.assertPlainMonthDay(implicit, "M05", 2, "overflow is ignored");
const lambda = Temporal.PlainMonthDay.from(value, () => {});
TemporalHelpers.assertPlainMonthDay(lambda, "M05", 2, "overflow is ignored");
});
const propertyBag = { year: 2000, month: 13, day: 34 };
const explicit = Temporal.PlainMonthDay.from(propertyBag, { overflow: undefined });
TemporalHelpers.assertPlainMonthDay(explicit, "M12", 31, "default overflow is constrain");
const implicit = Temporal.PlainMonthDay.from(propertyBag, {});
TemporalHelpers.assertPlainMonthDay(implicit, "M12", 31, "default overflow is constrain");
const lambda = Temporal.PlainMonthDay.from(propertyBag, () => {});
TemporalHelpers.assertPlainMonthDay(lambda, "M12", 31, "default overflow is constrain");
reportCompare(0, 0);