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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:35:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:35:29 +0000 |
commit | 59203c63bb777a3bacec32fb8830fba33540e809 (patch) | |
tree | 58298e711c0ff0575818c30485b44a2f21bf28a0 /js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/getoffsetnanosecondsfor-maximum-forward-offset-shift.js | |
parent | Adding upstream version 126.0.1. (diff) | |
download | firefox-59203c63bb777a3bacec32fb8830fba33540e809.tar.xz firefox-59203c63bb777a3bacec32fb8830fba33540e809.zip |
Adding upstream version 127.0.upstream/127.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/getoffsetnanosecondsfor-maximum-forward-offset-shift.js')
-rw-r--r-- | js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/getoffsetnanosecondsfor-maximum-forward-offset-shift.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/getoffsetnanosecondsfor-maximum-forward-offset-shift.js b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/getoffsetnanosecondsfor-maximum-forward-offset-shift.js new file mode 100644 index 0000000000..1d3a5425d0 --- /dev/null +++ b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/round/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.zoneddatetime.prototype.round +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.ZonedDateTime(0n, timeZone); +instance.round({ smallestUnit: "hours" }); + +assert(calls >= 2, "getOffsetNanosecondsFor should be called at least twice"); + +reportCompare(0, 0); |