blob: 64031b23381ed0a7db1ee8c9cfd2e6067fbba300 [file] [log] [blame]
// 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.plaintime.prototype.until
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: [temporalHelpers.js]
---*/
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.PlainTime(15);
const result = instance.until(datetime);
TemporalHelpers.assertDuration(result, 0, 0, 0, 0, 1, 50, 35, 0, 0, 1);