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A normative change that reached consensus at the June 2022 TC39 meeting was this small change to throw on an invalid value for the overflow option in PlainDate.from() and PlainDateTime.from(), in the case of a fast-path conversion. See https://github.com/tc39/proposal-temporal/pull/2225
43 lines
1.6 KiB
JavaScript
43 lines
1.6 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.plaindate.from
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description: RangeError thrown when overflow option not one of the allowed string values
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info: |
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sec-getoption step 10:
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10. If _values_ is not *undefined* and _values_ does not contain an element equal to _value_, throw a *RangeError* exception.
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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-totemporaldate steps 2–3:
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2. If Type(_item_) is Object, then
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...
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g. Return ? DateFromFields(_calendar_, _fields_, _options_).
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3. Perform ? ToTemporalOverflow(_options_).
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sec-temporal.plaindate.from steps 2–3:
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2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalDate]] internal slot, then
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a. Perform ? ToTemporalOverflow(_options_).
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b. Return ...
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3. Return ? ToTemporalDate(_item_, _options_).
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features: [Temporal]
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---*/
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const validItems = [
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new Temporal.PlainDate(2000, 5, 2),
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new Temporal.ZonedDateTime(1_000_000_000_000_000_000n, "UTC"),
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new Temporal.PlainDateTime(2000, 5, 2, 12),
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{ year: 2000, month: 5, day: 2 },
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"2000-05-02",
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];
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const badOverflows = ["", "CONSTRAIN", "balance", "other string", "constra\u0131n", "reject\0"];
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for (const item of validItems) {
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for (const overflow of badOverflows) {
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assert.throws(
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RangeError,
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() => Temporal.PlainDate.from(item, { overflow }),
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`invalid overflow ("${overflow}")`
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);
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}
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}
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