diff options
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/Temporal/Duration/compare/relativeto-propertybag-out-of-range-forward-offset-shift.js | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/Duration/compare/relativeto-propertybag-out-of-range-forward-offset-shift.js b/js/src/tests/test262/built-ins/Temporal/Duration/compare/relativeto-propertybag-out-of-range-forward-offset-shift.js new file mode 100644 index 0000000000..cbfca704c2 --- /dev/null +++ b/js/src/tests/test262/built-ins/Temporal/Duration/compare/relativeto-propertybag-out-of-range-forward-offset-shift.js @@ -0,0 +1,46 @@ +// |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.duration.prototype.compare +description: > + UTC offset shift returned by adjacent invocations of getOffsetNanosecondsFor + in DisambiguatePossibleInstants cannot be greater than 24 hours. +features: [Temporal] +info: | + DisambiguatePossibleInstants: + 18. If abs(_nanoseconds_) > nsPerDay, throw a *RangeError* exception. +---*/ + +class ShiftLonger24Hour extends Temporal.TimeZone { + id = 'TestTimeZone'; + _shiftEpochNs = 12n * 3600n * 1_000_000_000n; // 1970-01-01T12:00Z + + constructor() { + super('UTC'); + } + + getOffsetNanosecondsFor(instant) { + if (instant.epochNanoseconds < this._shiftEpochNs) return -12 * 3600e9; + return 12 * 3600e9 + 1; + } + + 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, nanoseconds: 1 })]; + } +} + +const timeZone = new ShiftLonger24Hour(); +const relativeTo = { year: 1970, month: 1, day: 1, hour: 12, timeZone }; +const duration1 = new Temporal.Duration(1); +const duration2 = new Temporal.Duration(2); + +assert.throws(RangeError, () => Temporal.Duration.compare(duration1, duration2, {relativeTo: relativeTo}), "RangeError should be thrown"); + +reportCompare(0, 0); |