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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// Copyright (C) 2023 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.timezone.prototype.getinstantfor
description: >
Time zone's getPossibleInstantsFor is called with a PlainDateTime with the
built-in ISO 8601 calendar
features: [Temporal]
info: |
DisambiguatePossibleInstants:
2. Let _n_ be _possibleInstants_'s length.
...
5. Assert: _n_ = 0.
...
19. If _disambiguation_ is *"earlier"*, then
...
c. Let _earlierDateTime_ be ! CreateTemporalDateTime(..., *"iso8601"*).
d. Set _possibleInstants_ to ? GetPossibleInstantsFor(_timeZone_, _earlierDateTime_).
...
20. Assert: _disambiguation_ is *"compatible"* or *"later"*.
...
23. Let _laterDateTime_ be ! CreateTemporalDateTime(..., *"iso8601"*).
24. Set _possibleInstants_ to ? GetPossibleInstantsFor(_timeZone_, _laterDateTime_).
---*/
class SkippedDateTime extends Temporal.TimeZone {
constructor() {
super("UTC");
this.calls = 0;
}
getPossibleInstantsFor(dateTime) {
// Calls occur in pairs. For the first one return no possible instants so
// that DisambiguatePossibleInstants will call it again
if (this.calls++ % 2 == 0) {
return [];
}
assert.sameValue(
dateTime.getISOFields().calendar,
"iso8601",
"getPossibleInstantsFor called with dateTime with built-in ISO 8601 calendar"
);
return super.getPossibleInstantsFor(dateTime);
}
}
const nonBuiltinISOCalendar = new Temporal.Calendar("iso8601");
for (const disambiguation of ["earlier", "later", "compatible"]) {
const timeZone = new SkippedDateTime();
timeZone.getInstantFor(new Temporal.PlainDateTime(2000, 3, 4, 12, 34, 56, 0, 0, 0, nonBuiltinISOCalendar), { disambiguation });
assert.sameValue(timeZone.calls, 2, "getPossibleInstantsFor should have been called 2 times");
}
reportCompare(0, 0);
|