From 8dd16259287f58f9273002717ec4d27e97127719 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 12 Jun 2024 07:43:14 +0200 Subject: Merging upstream version 127.0. Signed-off-by: Daniel Baumann --- ...tnanosecondsfor-maximum-forward-offset-shift.js | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/getoffsetnanosecondsfor-maximum-forward-offset-shift.js (limited to 'js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/getoffsetnanosecondsfor-maximum-forward-offset-shift.js') diff --git a/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/getoffsetnanosecondsfor-maximum-forward-offset-shift.js b/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/getoffsetnanosecondsfor-maximum-forward-offset-shift.js new file mode 100644 index 0000000000..af7f128a9c --- /dev/null +++ b/js/src/tests/test262/built-ins/Temporal/PlainDateTime/prototype/toZonedDateTime/getoffsetnanosecondsfor-maximum-forward-offset-shift.js @@ -0,0 +1,49 @@ +// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally +// Copyright (C) 2024 Igalia, S.L. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. + +/*--- +esid: sec-temporal.plaindatetime.prototype.tozoneddatetime +description: > + UTC offset shift returned by adjacent invocations of getOffsetNanosecondsFor + in DisambiguatePossibleInstants can be at most 24 hours. +features: [Temporal] +info: | + DisambiguatePossibleInstants: + 18. If abs(_nanoseconds_) > nsPerDay, throw a *RangeError* exception. +---*/ + +let calls = 0; + +class Shift24Hour extends Temporal.TimeZone { + id = 'TestTimeZone'; + _shiftEpochNs = 12n * 3600n * 1_000_000_000n; // 1970-01-01T12:00Z + + constructor() { + super('UTC'); + } + + getOffsetNanosecondsFor(instant) { + calls++; + if (instant.epochNanoseconds < this._shiftEpochNs) return -12 * 3600e9; + return 12 * 3600e9; + } + + getPossibleInstantsFor(plainDateTime) { + const [utcInstant] = super.getPossibleInstantsFor(plainDateTime); + const { year, month, day } = plainDateTime; + + if (year < 1970) return [utcInstant.subtract({ hours: 12 })]; + if (year === 1970 && month === 1 && day === 1) return []; + return [utcInstant.add({ hours: 12 })]; + } +} + +const timeZone = new Shift24Hour(); + +const instance = new Temporal.PlainDateTime(1970, 1, 1, 12); +instance.toZonedDateTime(timeZone); + +assert(calls >= 2, "getOffsetNanosecondsFor should be called at least twice"); + +reportCompare(0, 0); -- cgit v1.2.3