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LibJS: Fix balance_time() for times with negative offset day outcome

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...and change the parameter types from i64 to double, as predicted by
a FIXME. The issue here is that integer division with a negative
dividend doesn't yield the same result as floating point division
wrapped in floor().
Additionally, the `days` variable needs to be signed.
This commit is contained in:
Linus Groh 2021-11-14 22:55:55 +00:00
parent 32c52e3511
commit 42071f69cf
2 changed files with 21 additions and 22 deletions
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2
Userland/Libraries/LibJS/Runtime/Temporal/PlainTime.h
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@ -98,7 +98,7 @@ ThrowCompletionOr<PlainTime*> to_temporal_time(GlobalObject&, Value item, Option
ThrowCompletionOr<PartialUnregulatedTemporalTime> to_partial_time(GlobalObject&, Object& temporal_time_like);
ThrowCompletionOr<TemporalTime> regulate_time(GlobalObject&, double hour, double minute, double second, double millisecond, double microsecond, double nanosecond, StringView overflow);
bool is_valid_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
DaysAndTime balance_time(i64 hour, i64 minute, i64 second, i64 millisecond, i64 microsecond, i64 nanosecond);
DaysAndTime balance_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
TemporalTime constrain_time(double hour, double minute, double second, double millisecond, double microsecond, double nanosecond);
ThrowCompletionOr<PlainTime*> create_temporal_time(GlobalObject&, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, FunctionObject const* new_target = nullptr);
ThrowCompletionOr<UnregulatedTemporalTime> to_temporal_time_record(GlobalObject&, Object const& temporal_time_like);