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LibJS: Throw RangeError in PrepareTemporalFields for +/-∞
This is a normative change in the Temporal spec.
See: 499282a
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5 changed files with 25 additions and 32 deletions
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@ -872,31 +872,24 @@ Optional<TemporalTimeZone> parse_temporal_time_zone_string(GlobalObject& global_
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return TemporalTimeZone { .z = false, .offset = offset, .name = name };
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}
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// 13.46 ToPositiveIntegerOrInfinity ( argument ), https://tc39.es/proposal-temporal/#sec-temporal-topositiveintegerorinfinity
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double to_positive_integer_or_infinity(GlobalObject& global_object, Value argument)
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// 13.46 ToPositiveInteger ( argument ), https://tc39.es/proposal-temporal/#sec-temporal-topositiveinteger
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double to_positive_integer(GlobalObject& global_object, Value argument)
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{
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auto& vm = global_object.vm();
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// 1. Let integer be ? ToIntegerOrInfinity(argument).
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auto integer = argument.to_integer_or_infinity(global_object);
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// 1. Let integer be ? ToIntegerThrowOnInfinity(argument).
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auto integer = to_integer_throw_on_infinity(global_object, argument, ErrorType::TemporalPropertyMustBePositiveInteger);
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if (vm.exception())
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return {};
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// 2. If integer is -∞𝔽, then
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if (Value(integer).is_negative_infinity()) {
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// a. Throw a RangeError exception.
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalPropertyMustBePositiveInteger);
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return {};
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}
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// 3. If integer ≤ 0, then
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// 2. If integer ≤ 0, then
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if (integer <= 0) {
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// a. Throw a RangeError exception.
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalPropertyMustBePositiveInteger);
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return {};
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}
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// 4. Return integer.
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// 3. Return integer.
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return integer;
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}
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@ -939,11 +932,11 @@ Object* prepare_temporal_fields(GlobalObject& global_object, Object& fields, Vec
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// 1. Let Conversion represent the abstract operation named by the Conversion value of the same row.
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// 2. Set value to ? Conversion(value).
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if (property.is_one_of("year", "hour", "minute", "second", "millisecond", "microsecond", "nanosecond", "eraYear")) {
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value = Value(value.to_integer_or_infinity(global_object));
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value = Value(to_integer_throw_on_infinity(global_object, value, ErrorType::TemporalPropertyMustBeFinite));
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if (vm.exception())
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return {};
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} else if (property.is_one_of("month", "day")) {
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value = Value(to_positive_integer_or_infinity(global_object, value));
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value = Value(to_positive_integer(global_object, value));
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if (vm.exception())
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return {};
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} else if (property.is_one_of("monthCode", "offset", "era")) {
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