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.
|
||
// This code is governed by the BSD license found in the LICENSE file.
|
||
|
||
/*---
|
||
esid: sec-temporal.zoneddatetime.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-interprettemporaldatetimefields steps 2–3:
|
||
2. Let _temporalDate_ be ? DateFromFields(_calendar_, _fields_, _options_).
|
||
3. Let _overflow_ be ? ToTemporalOverflow(_options_).
|
||
sec-temporal-totemporalzoneddatetime steps 2–3:
|
||
2. If Type(_item_) is Object, then
|
||
...
|
||
j. Let _result_ be ? InterpretTemporalDateTimeFields(_calendar_, _fields_, _options_).
|
||
3. Else,
|
||
a. Perform ? ToTemporalOverflow(_options_).
|
||
sec-temporal.zoneddatetime.from steps 2–3:
|
||
2. If Type(_item_) is Object and _item_ has an [[InitializedTemporalZonedDateTime]] internal slot, then
|
||
a. Perform ? ToTemporalOverflow(_options_).
|
||
...
|
||
d. Return ...
|
||
3. Return ? ToTemporalZonedDateTime(_item_, _options_).
|
||
features: [Temporal]
|
||
---*/
|
||
|
||
const validValues = [
|
||
new Temporal.ZonedDateTime(1_000_000_000_987_654_321n, "UTC"),
|
||
"2001-09-09T01:46:40.987654321+00:00[UTC]",
|
||
];
|
||
validValues.forEach((value) => {
|
||
const explicit = Temporal.ZonedDateTime.from(value, { overflow: undefined });
|
||
assert.sameValue(explicit.epochNanoseconds, 1_000_000_000_987_654_321n, "overflow is ignored");
|
||
const implicit = Temporal.ZonedDateTime.from(value, {});
|
||
assert.sameValue(implicit.epochNanoseconds, 1_000_000_000_987_654_321n, "overflow is ignored");
|
||
});
|
||
|
||
const propertyBag = { year: 2000, month: 15, day: 34, hour: 12, timeZone: "UTC" };
|
||
const explicit = Temporal.ZonedDateTime.from(propertyBag, { overflow: undefined });
|
||
assert.sameValue(explicit.epochNanoseconds, 978_264_000_000_000_000n, "default overflow is constrain");
|
||
|
||
// See options-undefined for {}
|