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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.withplaintime
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]
---*/
const datetime = new Temporal.ZonedDateTime(-13849764_999_999_999n, "UTC");
// 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 instance = new Temporal.ZonedDateTime(0n, "UTC");
const result = instance.withPlainTime(datetime);
assert.sameValue(result.epochNanoseconds, 60635_000_000_001n);
reportCompare(0, 0);
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