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LibJS: Check PlainMonthDay is in the ISO date time limits in creation

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This is a normative change in the Temporal spec.

See: 374305c
This commit is contained in:
Luke Wilde 2022-07-22 15:07:39 +01:00 • committed by Linus Groh
parent 61847b3cef
commit 1e829c4ea8
2 changed files with 17 additions and 7 deletions
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18
Userland/Libraries/LibJS/Runtime/Temporal/PlainMonthDay.cpp
View file

@ -155,18 +155,22 @@ ThrowCompletionOr<PlainMonthDay*> create_temporal_month_day(GlobalObject& global
if (!is_valid_iso_date(reference_iso_year, iso_month, iso_day))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainMonthDay);
// 4. If newTarget is not present, set newTarget to %Temporal.PlainMonthDay%.
// 4. If ISODateTimeWithinLimits(referenceISOYear, isoMonth, isoDay, 12, 0, 0, 0, 0, 0) is false, throw a RangeError exception.
if (!iso_date_time_within_limits(global_object, reference_iso_year, iso_month, iso_day, 12, 0, 0, 0, 0, 0))
return vm.throw_completion<RangeError>(global_object, ErrorType::TemporalInvalidPlainMonthDay);
// 5. If newTarget is not present, set newTarget to %Temporal.PlainMonthDay%.
if (!new_target)
new_target = global_object.temporal_plain_month_day_constructor();
// 5. Let object be ? OrdinaryCreateFromConstructor(newTarget, "%Temporal.PlainMonthDay.prototype%", « [[InitializedTemporalMonthDay]], [[ISOMonth]], [[ISODay]], [[ISOYear]], [[Calendar]] »).
// 6. Set object.[[ISOMonth]] to isoMonth.
// 7. Set object.[[ISODay]] to isoDay.
// 8. Set object.[[Calendar]] to calendar.
// 9. Set object.[[ISOYear]] to referenceISOYear.
// 6. Let object be ? OrdinaryCreateFromConstructor(newTarget, "%Temporal.PlainMonthDay.prototype%", « [[InitializedTemporalMonthDay]], [[ISOMonth]], [[ISODay]], [[ISOYear]], [[Calendar]] »).
// 7. Set object.[[ISOMonth]] to isoMonth.
// 8. Set object.[[ISODay]] to isoDay.
// 9. Set object.[[Calendar]] to calendar.
// 10. Set object.[[ISOYear]] to referenceISOYear.
auto* object = TRY(ordinary_create_from_constructor<PlainMonthDay>(global_object, *new_target, &GlobalObject::temporal_plain_month_day_prototype, iso_month, iso_day, reference_iso_year, calendar));
// 10. Return object.
// 11. Return object.
return object;
}

6
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainMonthDay/PlainMonthDay.js
View file

@ -37,6 +37,12 @@ describe("errors", () => {
new Temporal.PlainMonthDay(1, 0);
}).toThrowWithMessage(RangeError, "Invalid plain month day");
});
test("not within iso date time limit", () => {
expect(() => {
new Temporal.PlainMonthDay(9, 30, "iso8601", 999_999_999_999_999);
}).toThrowWithMessage(RangeError, "Invalid plain month day");
});
});
describe("normal behavior", () => {