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Diffstat (limited to 'js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/with/balance-negative-time-units.js')
| -rw-r--r-- | js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/with/balance-negative-time-units.js | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/with/balance-negative-time-units.js b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/with/balance-negative-time-units.js new file mode 100644 index 0000000000..e7935824fd --- /dev/null +++ b/js/src/tests/test262/built-ins/Temporal/ZonedDateTime/prototype/with/balance-negative-time-units.js @@ -0,0 +1,65 @@ +// |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally +// 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.zoneddatetime.prototype.with +description: Negative time fields are balanced upwards +info: | + sec-temporal-balancetime steps 3–14: + 3. Set _microsecond_ to _microsecond_ + floor(_nanosecond_ / 1000). + 4. Set _nanosecond_ to _nanosecond_ modulo 1000. + 5. Set _millisecond_ to _millisecond_ + floor(_microsecond_ / 1000). + 6. Set _microsecond_ to _microsecond_ modulo 1000. + 7. Set _second_ to _second_ + floor(_millisecond_ / 1000). + 8. Set _millisecond_ to _millisecond_ modulo 1000. + 9. Set _minute_ to _minute_ + floor(_second_ / 60). + 10. Set _second_ to _second_ modulo 60. + 11. Set _hour_ to _hour_ + floor(_minute_ / 60). + 12. Set _minute_ to _minute_ modulo 60. + 13. Let _days_ be floor(_hour_ / 24). + 14. Set _hour_ to _hour_ modulo 24. + sec-temporal-addtime step 8: + 8. Return ? BalanceTime(_hour_, _minute_, _second_, _millisecond_, _microsecond_, _nanosecond_). + sec-temporal-adddatetime step 1: + 1. Let _timeResult_ be ? AddTime(_hour_, _minute_, _second_, _millisecond_, _microsecond_, _nanosecond_, _hours_, _minutes_, _seconds_, _milliseconds_, _microseconds_, _nanoseconds_). + sec-temporal-builtintimezonegetinstantfor step 13.a: + a. Let _earlier_ be ? AddDateTime(_dateTime_.[[ISOYear]], _dateTime_.[[ISOMonth]], _dateTime_.[[ISODay]], _dateTime_.[[ISOHour]], _dateTime_.[[ISOMinute]], _dateTime_.[[ISOSecond]], _dateTime_.[[ISOMillisecond]], _dateTime_.[[ISOMicrosecond]], _dateTime_.[[ISONanosecond]], 0, 0, 0, 0, 0, 0, 0, 0, 0, −_nanoseconds_, *"constrain"*). + sec-temporal-interpretisodatetimeoffset steps 4–10: + 4. If _offsetNanoseconds_ is *null*, or _offset_ is *"ignore"*, then + a. Let _instant_ be ? BuiltinTimeZoneGetInstantFor(_timeZone_, _dateTime_, _disambiguation_). + ... + ... + 6. Assert: _offset_ is *"prefer"* or *"reject"*. + 7. Let _possibleInstants_ be ? GetPossibleInstantsFor(_timeZone_, _dateTime_). + ... + 9. If _offset_ is *"reject"*, throw a *RangeError* exception. + 10. Let _instant_ be ? DisambiguatePossibleInstants(_possibleInstants_, _timeZone_, _dateTime_, _disambiguation_). + sec-temporal.zoneddatetime.prototype.with step 26: + 26. Let _epochNanoseconds_ be ? InterpretISODateTimeOffset(_dateTimeResult_.[[Year]], _dateTimeResult_.[[Month]], _dateTimeResult_.[[Day]], _dateTimeResult_.[[Hour]], _dateTimeResult_.[[Minute]], _dateTimeResult_.[[Second]], _dateTimeResult_.[[Millisecond]], _dateTimeResult_.[[Microsecond]], _dateTimeResult_.[[Nanosecond]], _offsetNanoseconds_, _timeZone_, _disambiguation_, _offset_). +includes: [compareArray.js, temporalHelpers.js] +features: [Temporal] +---*/ + +const shiftInstant = new Temporal.Instant(3661_001_001_001n); +const tz1 = TemporalHelpers.oneShiftTimeZone(shiftInstant, 2); +const datetime1 = new Temporal.ZonedDateTime(3661_001_001_000n, tz1); + +// This code path is encountered if offset is `ignore` or `prefer`, +// disambiguation is `earlier` and the shift is a spring-forward change +datetime1.with({ nanosecond: 1 }, { offset: "ignore", disambiguation: "earlier" }); + +const expected = [ + "1970-01-01T01:01:01.001001001", + "1970-01-01T01:01:01.001000999", +]; +assert.compareArray(tz1.getPossibleInstantsForCalledWith, expected); + +const tz2 = TemporalHelpers.oneShiftTimeZone(shiftInstant, 2); +const datetime2 = new Temporal.ZonedDateTime(3661_001_001_000n, tz2); + +datetime2.with({ nanosecond: 1 }, { offset: "prefer", disambiguation: "earlier" }); + +assert.compareArray(tz2.getPossibleInstantsForCalledWith, expected); + +reportCompare(0, 0); |