mirror of
https://github.com/tc39/test262.git
synced 2025-10-16 05:19:07 +02:00
d6a24fe906
Checking whether an object implements the TimeZone protocol is now done by means of HasProperty operations for each of the required methods unless the object already has the TimeZone brand. Discussion: https://github.com/tc39/proposal-temporal/issues/2104#issuecomment-1409549753 Corresponding normative PR: https://github.com/tc39/proposal-temporal/pull/2485
38 lines
1001 B
JavaScript
38 lines
1001 B
JavaScript
// Copyright (C) 2020 Igalia, S.L. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
esid: sec-temporal.timezone.from
|
|
description: An object is returned unchanged
|
|
features: [Temporal]
|
|
---*/
|
|
|
|
class CustomTimeZone extends Temporal.TimeZone {}
|
|
|
|
const objects = [
|
|
new Temporal.TimeZone("UTC"),
|
|
new CustomTimeZone("UTC"),
|
|
{ id: "Etc/Custom", getPossibleInstantsFor: null, getOffsetNanosecondsFor: null },
|
|
];
|
|
|
|
const thisValues = [
|
|
Temporal.TimeZone,
|
|
CustomTimeZone,
|
|
{},
|
|
null,
|
|
undefined,
|
|
7,
|
|
];
|
|
|
|
for (const thisValue of thisValues) {
|
|
for (const object of objects) {
|
|
const result = Temporal.TimeZone.from.call(thisValue, object);
|
|
assert.sameValue(result, object);
|
|
}
|
|
|
|
const zdt = new Temporal.ZonedDateTime(0n, "UTC");
|
|
const fromZdt = Temporal.TimeZone.from.call(thisValue, zdt);
|
|
assert.notSameValue(fromZdt, zdt.getTimeZone(), "from() creates a new object from a string slot value");
|
|
assert.sameValue(fromZdt.id, "UTC");
|
|
}
|