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// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
// 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.prototype.getisofields
description: A pre-epoch value is handled correctly by the modulo operation in GetISOPartsFromEpoch
info: |
sec-temporal-getisopartsfromepoch step 1:
1. Let _remainderNs_ be the mathematical value whose sign is the sign of _epochNanoseconds_ and whose magnitude is abs(_epochNanoseconds_) modulo 10<sup>6</sup>.
sec-temporal-builtintimezonegetplaindatetimefor step 2:
2. Let _result_ be ! GetISOPartsFromEpoch(_instant_.[[Nanoseconds]]).
features: [Temporal]
includes: [deepEqual.js]
---*/
const timeZone = new Temporal.TimeZone("UTC");
const calendar = new Temporal.Calendar("iso8601");
const datetime = new Temporal.ZonedDateTime(-13849764_999_999_999n, timeZone, calendar);
// This code path shows up anywhere we convert an exact time, before the Unix
// epoch, with nonzero microseconds or nanoseconds, into a wall time.
const result = datetime.getISOFields();
assert.deepEqual(result, {
calendar,
isoDay: 24,
isoHour: 16,
isoMicrosecond: 0,
isoMillisecond: 0,
isoMinute: 50,
isoMonth: 7,
isoNanosecond: 1,
isoSecond: 35,
isoYear: 1969,
offset: "+00:00",
timeZone,
});
reportCompare(0, 0);
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