mirror of https://github.com/tc39/test262.git
23 lines
1023 B
JavaScript
23 lines
1023 B
JavaScript
// Copyright (C) 2021 Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.plaintime.from
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description: A pre-epoch value is handled correctly by the modulo operation in GetISOPartsFromEpoch
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info: |
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sec-temporal-getisopartsfromepoch step 1:
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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>.
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sec-temporal-builtintimezonegetplaindatetimefor step 2:
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2. Let _result_ be ! GetISOPartsFromEpoch(_instant_.[[Nanoseconds]]).
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features: [Temporal]
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includes: [temporalHelpers.js]
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---*/
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const datetime = new Temporal.ZonedDateTime(-13849764_999_999_999n, "UTC");
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// This code path shows up anywhere we convert an exact time, before the Unix
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// epoch, with nonzero microseconds or nanoseconds, into a wall time.
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const result = Temporal.PlainTime.from(datetime);
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TemporalHelpers.assertPlainTime(result, 16, 50, 35, 0, 0, 1);
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