mirror of https://github.com/tc39/test262.git
46 lines
2.1 KiB
JavaScript
46 lines
2.1 KiB
JavaScript
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.plainyearmonth.from
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description: Fallback value for overflow option
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info: |
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sec-getoption step 3:
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3. If _value_ is *undefined*, return _fallback_.
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sec-temporal-totemporaloverflow step 1:
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1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*).
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sec-temporal-totemporalyearmonth steps 2–3:
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2. If Type(_item_) is Object, then
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...
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e. Return ? YearMonthFromFields(_calendar_, _fields_, _options_).
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3. Perform ? ToTemporalOverflow(_options_).
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sec-temporal.plainyearmonth.from steps 2–3:
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2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalYearMonth]] internal slot, then
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a. Perform ? ToTemporalOverflow(_options_).
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b. Return ...
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3. Return ? ToTemporalYearMonth(_item_, _options_).
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includes: [temporalHelpers.js]
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features: [Temporal]
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---*/
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const validValues = [
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new Temporal.PlainYearMonth(2000, 5),
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"2000-05",
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];
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validValues.forEach((value) => {
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const explicit = Temporal.PlainYearMonth.from(value, { overflow: undefined });
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TemporalHelpers.assertPlainYearMonth(explicit, 2000, 5, "M05", "overflow is ignored");
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const implicit = Temporal.PlainYearMonth.from(value, {});
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TemporalHelpers.assertPlainYearMonth(implicit, 2000, 5, "M05", "overflow is ignored");
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const lambda = Temporal.PlainYearMonth.from(value, () => {});
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TemporalHelpers.assertPlainYearMonth(lambda, 2000, 5, "M05", "overflow is ignored");
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});
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const propertyBag = { year: 2000, month: 13 };
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const explicit = Temporal.PlainYearMonth.from(propertyBag, { overflow: undefined });
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TemporalHelpers.assertPlainYearMonth(explicit, 2000, 12, "M12", "default overflow is constrain");
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const implicit = Temporal.PlainYearMonth.from(propertyBag, {});
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TemporalHelpers.assertPlainYearMonth(implicit, 2000, 12, "M12", "default overflow is constrain");
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const lambda = Temporal.PlainYearMonth.from(propertyBag, () => {});
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TemporalHelpers.assertPlainYearMonth(lambda, 2000, 12, "M12", "default overflow is constrain");
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