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LibJS: Assert [[Days]] is zero for the balanced time in DifferenceTime

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This is an editorial change in the Temporal spec.

See: be982fb
This commit is contained in:
Linus Groh 2022-06-27 23:04:40 +01:00
parent 9b9dab249c
commit 11a6702cef
1 changed files with 5 additions and 2 deletions
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7
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.cpp
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@ -67,8 +67,11 @@ TimeDurationRecord difference_time(u8 hour1, u8 minute1, u8 second1, u16 millise
// 8. Let bt be ! BalanceTime(hours × sign, minutes × sign, seconds × sign, milliseconds × sign, microseconds × sign, nanoseconds × sign).
auto bt = balance_time(hours * sign, minutes * sign, seconds * sign, milliseconds * sign, microseconds * sign, nanoseconds * sign);
// 9. Return ! CreateTimeDurationRecord(bt.[[Days]] × sign, bt.[[Hour]] × sign, bt.[[Minute]] × sign, bt.[[Second]] × sign, bt.[[Millisecond]] × sign, bt.[[Microsecond]] × sign, bt.[[Nanosecond]] × sign).
return create_time_duration_record(static_cast<double>(bt.days * sign), static_cast<double>(bt.hour * sign), static_cast<double>(bt.minute * sign), static_cast<double>(bt.second * sign), static_cast<double>(bt.millisecond * sign), static_cast<double>(bt.microsecond * sign), static_cast<double>(bt.nanosecond * sign));
// 9. Assert: bt.[[Days]] is 0.
VERIFY(bt.days == 0);
// 10. Return ! CreateTimeDurationRecord(0, bt.[[Hour]] × sign, bt.[[Minute]] × sign, bt.[[Second]] × sign, bt.[[Millisecond]] × sign, bt.[[Microsecond]] × sign, bt.[[Nanosecond]] × sign).
return create_time_duration_record(0, static_cast<double>(bt.hour * sign), static_cast<double>(bt.minute * sign), static_cast<double>(bt.second * sign), static_cast<double>(bt.millisecond * sign), static_cast<double>(bt.microsecond * sign), static_cast<double>(bt.nanosecond * sign));
}
// 4.5.2 ToTemporalTime ( item [ , overflow ] ), https://tc39.es/proposal-temporal/#sec-temporal-totemporaltime