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LibJS: Disallow one day long time zone offsets

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This is a normative change in the Temporal spec.
See: 9cc8b29b
This commit is contained in:
davidot 2022-10-13 23:30:51 +02:00 • committed by Linus Groh
parent 1167fdb17a
commit 1b0ca52c54
7 changed files with 83 additions and 10 deletions
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3
Userland/Libraries/LibJS/Runtime/ErrorTypes.h
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@ -246,7 +246,8 @@
M(TemporalInvalidMonthCode, "Invalid month code") \
M(TemporalInvalidMonthDayString, "Invalid month day string '{}'") \
M(TemporalInvalidMonthDayStringUTCDesignator, "Invalid month day string '{}': must not contain a UTC designator") \
M(TemporalInvalidOffsetNanosecondsValue, "Invalid offset nanoseconds value, must be in range -86400 * 10^9 to 86400 * 10^9") \
M(TemporalInvalidOffsetNanosecondsValue, "Invalid offset nanoseconds value, must be in range -86400 * 10^9 + 1 to " \
"86400 * 10^9 - 1") \
M(TemporalInvalidPlainDate, "Invalid plain date") \
M(TemporalInvalidPlainDateTime, "Invalid plain date time") \
M(TemporalInvalidPlainMonthDay, "Invalid plain month day") \

4
Userland/Libraries/LibJS/Runtime/Temporal/TimeZone.cpp
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@ -492,8 +492,8 @@ ThrowCompletionOr<double> get_offset_nanoseconds_for(VM& vm, Value time_zone, In
// 5. Set offsetNanoseconds to ℝ(offsetNanoseconds).
auto offset_nanoseconds = offset_nanoseconds_value.as_double();
// 6. If abs(offsetNanoseconds) > nsPerDay, throw a RangeError exception.
if (fabs(offset_nanoseconds) > ns_per_day)
// 6. If abs(offsetNanoseconds) ≥ nsPerDay, throw a RangeError exception.
if (fabs(offset_nanoseconds) >= ns_per_day)
return vm.throw_completion<RangeError>(ErrorType::TemporalInvalidOffsetNanosecondsValue);
// 7. Return offsetNanoseconds.