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LibJS: Start implementing Temporal.PlainYearMonth
This commit adds the PlainYearMonth object itself, its constructor and prototype (currently empty), and the CreateTemporalYearMonth and ISOYearMonthWithinLimits abstract operations.
This commit is contained in:
parent
5b12542d39
commit
0a8edd5ce7
Notes:
sideshowbarker
2024-07-18 07:13:43 +09:00
Author: https://github.com/linusg Commit: https://github.com/SerenityOS/serenity/commit/0a8edd5ce73 Pull-request: https://github.com/SerenityOS/serenity/pull/9273 Reviewed-by: https://github.com/IdanHo ✅
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@ -144,6 +144,8 @@ set(SOURCES
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Runtime/Temporal/PlainTimeConstructor.cpp
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Runtime/Temporal/PlainTimePrototype.cpp
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Runtime/Temporal/PlainYearMonth.cpp
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Runtime/Temporal/PlainYearMonthConstructor.cpp
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Runtime/Temporal/PlainYearMonthPrototype.cpp
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Runtime/Temporal/Temporal.cpp
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Runtime/Temporal/TimeZone.cpp
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Runtime/Temporal/TimeZoneConstructor.cpp
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@ -76,14 +76,15 @@
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__JS_ENUMERATE(Float32Array, float32_array, Float32ArrayPrototype, Float32ArrayConstructor, float) \
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__JS_ENUMERATE(Float64Array, float64_array, Float64ArrayPrototype, Float64ArrayConstructor, double)
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#define JS_ENUMERATE_TEMPORAL_OBJECTS \
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__JS_ENUMERATE(Calendar, calendar, CalendarPrototype, CalendarConstructor) \
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__JS_ENUMERATE(Duration, duration, DurationPrototype, DurationConstructor) \
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__JS_ENUMERATE(Instant, instant, InstantPrototype, InstantConstructor) \
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__JS_ENUMERATE(PlainDate, plain_date, PlainDatePrototype, PlainDateConstructor) \
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__JS_ENUMERATE(PlainDateTime, plain_date_time, PlainDateTimePrototype, PlainDateTimeConstructor) \
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__JS_ENUMERATE(PlainTime, plain_time, PlainTimePrototype, PlainTimeConstructor) \
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__JS_ENUMERATE(TimeZone, time_zone, TimeZonePrototype, TimeZoneConstructor) \
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#define JS_ENUMERATE_TEMPORAL_OBJECTS \
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__JS_ENUMERATE(Calendar, calendar, CalendarPrototype, CalendarConstructor) \
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__JS_ENUMERATE(Duration, duration, DurationPrototype, DurationConstructor) \
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__JS_ENUMERATE(Instant, instant, InstantPrototype, InstantConstructor) \
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__JS_ENUMERATE(PlainDate, plain_date, PlainDatePrototype, PlainDateConstructor) \
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__JS_ENUMERATE(PlainDateTime, plain_date_time, PlainDateTimePrototype, PlainDateTimeConstructor) \
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__JS_ENUMERATE(PlainTime, plain_time, PlainTimePrototype, PlainTimeConstructor) \
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__JS_ENUMERATE(PlainYearMonth, plain_year_month, PlainYearMonthPrototype, PlainYearMonthConstructor) \
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__JS_ENUMERATE(TimeZone, time_zone, TimeZonePrototype, TimeZoneConstructor) \
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__JS_ENUMERATE(ZonedDateTime, zoned_date_time, ZonedDateTimePrototype, ZonedDateTimeConstructor)
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#define JS_ENUMERATE_ITERATOR_PROTOTYPES \
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@ -180,6 +180,7 @@
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M(TemporalInvalidPlainDate, "Invalid plain date") \
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M(TemporalInvalidPlainDateTime, "Invalid plain date time") \
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M(TemporalInvalidPlainTime, "Invalid plain time") \
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M(TemporalInvalidPlainYearMonth, "Invalid plain year month") \
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M(TemporalInvalidTime, "Invalid time") \
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M(TemporalInvalidTimeZoneName, "Invalid time zone name") \
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M(TemporalMissingRequiredProperty, "Required property {} is missing or undefined") \
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@ -81,6 +81,8 @@
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#include <LibJS/Runtime/Temporal/PlainDateTimePrototype.h>
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#include <LibJS/Runtime/Temporal/PlainTimeConstructor.h>
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#include <LibJS/Runtime/Temporal/PlainTimePrototype.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthConstructor.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthPrototype.h>
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#include <LibJS/Runtime/Temporal/Temporal.h>
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#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
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#include <LibJS/Runtime/Temporal/TimeZonePrototype.h>
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@ -4,10 +4,29 @@
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/AbstractOperations.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonth.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthConstructor.h>
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namespace JS::Temporal {
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// 9 Temporal.PlainYearMonth Objects, https://tc39.es/proposal-temporal/#sec-temporal-plainyearmonth-objects
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PlainYearMonth::PlainYearMonth(i32 iso_year, u8 iso_month, u8 iso_day, Object& calendar, Object& prototype)
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: Object(prototype)
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, m_iso_year(iso_year)
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, m_iso_month(iso_month)
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, m_iso_day(iso_day)
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, m_calendar(calendar)
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{
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}
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void PlainYearMonth::visit_edges(Visitor& visitor)
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{
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visitor.visit(&m_calendar);
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}
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// 9.5.5 BalanceISOYearMonth ( year, month ), https://tc39.es/proposal-temporal/#sec-temporal-balanceisoyearmonth
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ISOYearMonth balance_iso_year_month(i32 year, i32 month)
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{
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@ -23,4 +42,68 @@ ISOYearMonth balance_iso_year_month(i32 year, i32 month)
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return ISOYearMonth { .year = year, .month = static_cast<u8>(month) };
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}
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// 9.5.4 ISOYearMonthWithinLimits ( year, month ), https://tc39.es/proposal-temporal/#sec-temporal-isoyearmonthwithinlimits
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bool iso_year_month_within_limits(i32 year, u8 month)
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{
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// 1. Assert: year and month are integers.
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// 2. If year < −271821 or year > 275760, then
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if (year < -271821 || year > 275760) {
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// a. Return false.
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return false;
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}
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// 3. If year is −271821 and month < 4, then
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if (year == -271821 && month < 4) {
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// a. Return false.
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return false;
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}
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// 4. If year is 275760 and month > 9, then
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if (year == 275760 && month > 9) {
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// a. Return false.
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return false;
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}
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// 5. Return true.
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return true;
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}
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// 9.5.7 CreateTemporalYearMonth ( isoYear, isoMonth, calendar, referenceISODay [ , newTarget ] ), https://tc39.es/proposal-temporal/#sec-temporal-createtemporalyearmonth
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PlainYearMonth* create_temporal_year_month(GlobalObject& global_object, i32 iso_year, u8 iso_month, Object& calendar, u8 reference_iso_day, FunctionObject* new_target)
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{
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auto& vm = global_object.vm();
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// 1. Assert: isoYear, isoMonth, and referenceISODay are integers.
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// 2. Assert: Type(calendar) is Object.
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// 3. If ! IsValidISODate(isoYear, isoMonth, referenceISODay) is false, throw a RangeError exception.
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if (!is_valid_iso_date(iso_year, iso_month, reference_iso_day)) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// 4. If ! ISOYearMonthWithinLimits(isoYear, isoMonth) is false, throw a RangeError exception.
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if (!iso_year_month_within_limits(iso_year, iso_month)) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// 5. If newTarget is not present, set it to %Temporal.PlainYearMonth%.
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if (!new_target)
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new_target = global_object.temporal_plain_year_month_constructor();
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// 6. Let object be ? OrdinaryCreateFromConstructor(newTarget, "%Temporal.PlainYearMonth.prototype%", « [[InitializedTemporalYearMonth]], [[ISOYear]], [[ISOMonth]], [[ISODay]], [[Calendar]] »).
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// 7. Set object.[[ISOYear]] to isoYear.
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// 8. Set object.[[ISOMonth]] to isoMonth.
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// 9. Set object.[[Calendar]] to calendar.
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// 10. Set object.[[ISODay]] to referenceISODay.
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auto* object = ordinary_create_from_constructor<PlainYearMonth>(global_object, *new_target, &GlobalObject::temporal_plain_year_month_prototype, iso_year, iso_month, reference_iso_day, calendar);
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if (vm.exception())
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return {};
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// 11. Return object.
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return object;
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}
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}
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@ -6,16 +6,40 @@
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#pragma once
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#include <LibJS/Runtime/Temporal/AbstractOperations.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibJS/Runtime/Object.h>
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namespace JS::Temporal {
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class PlainYearMonth final : public Object {
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JS_OBJECT(PlainYearMonth, Object);
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public:
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PlainYearMonth(i32 iso_year, u8 iso_month, u8 iso_day, Object& calendar, Object& prototype);
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virtual ~PlainYearMonth() override = default;
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[[nodiscard]] i32 iso_year() const { return m_iso_year; }
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[[nodiscard]] u8 iso_month() const { return m_iso_month; }
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[[nodiscard]] u8 iso_day() const { return m_iso_day; }
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[[nodiscard]] Object const& calendar() const { return m_calendar; }
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[[nodiscard]] Object& calendar() { return m_calendar; }
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private:
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virtual void visit_edges(Visitor&) override;
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// 9.4 Properties of Temporal.PlainYearMonth Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-plainyearmonth-instances
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i32 m_iso_year { 0 }; // [[ISOYear]]
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u8 m_iso_month { 0 }; // [[ISOMonth]]
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u8 m_iso_day { 0 }; // [[ISODay]]
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Object& m_calendar; // [[Calendar]]
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};
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struct ISOYearMonth {
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i32 year;
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u8 month;
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};
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ISOYearMonth balance_iso_year_month(i32 year, i32 month);
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bool iso_year_month_within_limits(i32 year, u8 month);
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PlainYearMonth* create_temporal_year_month(GlobalObject&, i32 iso_year, u8 iso_month, Object& calendar, u8 reference_iso_day, FunctionObject* new_target = nullptr);
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}
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@ -0,0 +1,109 @@
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/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/Calendar.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonth.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthConstructor.h>
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namespace JS::Temporal {
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// 9.1 The Temporal.PlainYearMonth Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plainyearmonth-constructor
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PlainYearMonthConstructor::PlainYearMonthConstructor(GlobalObject& global_object)
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: NativeFunction(vm().names.PlainYearMonth.as_string(), *global_object.function_prototype())
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{
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}
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void PlainYearMonthConstructor::initialize(GlobalObject& global_object)
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{
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NativeFunction::initialize(global_object);
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auto& vm = this->vm();
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// 9.2.1 Temporal.PlainYearMonth.prototype, https://tc39.es/proposal-temporal/#sec-temporal-plainyearmonth-prototype
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define_direct_property(vm.names.prototype, global_object.temporal_plain_year_month_prototype(), 0);
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define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
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}
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// 9.1.1 Temporal.PlainYearMonth ( isoYear, isoMonth [ , calendarLike [ , referenceISODay ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth
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Value PlainYearMonthConstructor::call()
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{
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auto& vm = this->vm();
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// 1. If NewTarget is undefined, throw a TypeError exception.
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vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.PlainYearMonth");
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return {};
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}
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// 9.1.1 Temporal.PlainYearMonth ( isoYear, isoMonth [ , calendarLike [ , referenceISODay ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plainyearmonth
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Value PlainYearMonthConstructor::construct(FunctionObject& new_target)
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{
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auto& vm = this->vm();
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auto& global_object = this->global_object();
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auto iso_year = vm.argument(0);
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auto iso_month = vm.argument(1);
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auto calendar_like = vm.argument(2);
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auto reference_iso_day = vm.argument(3);
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// 2. If referenceISODay is undefined, then
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if (reference_iso_day.is_undefined()) {
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// a. Set referenceISODay to 1𝔽.
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reference_iso_day = Value(1);
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}
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// 3. Let y be ? ToIntegerOrInfinity(isoYear).
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auto y = iso_year.to_integer_or_infinity(global_object);
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if (vm.exception())
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return {};
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// 4. If y is +∞ or -∞, throw a RangeError exception.
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if (Value(y).is_infinity()) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// 5. Let m be ? ToIntegerOrInfinity(isoMonth).
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auto m = iso_month.to_integer_or_infinity(global_object);
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if (vm.exception())
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return {};
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// 6. If m is +∞ or -∞, throw a RangeError exception.
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if (Value(m).is_infinity()) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// 7. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
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auto* calendar = to_temporal_calendar_with_iso_default(global_object, calendar_like);
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if (vm.exception())
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return {};
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// 8. Let ref be ? ToIntegerOrInfinity(referenceISODay).
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auto ref = reference_iso_day.to_integer_or_infinity(global_object);
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if (vm.exception())
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return {};
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// 9. If ref is +∞ or -∞, throw a RangeError exception.
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if (Value(ref).is_infinity()) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards.
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// This does not change the exposed behaviour as the call to CreateTemporalYearMonth will immediately check that these values are valid
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// ISO values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31) all of which are subsets of this check.
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if (!AK::is_within_range<i32>(y) || !AK::is_within_range<u8>(m) || !AK::is_within_range<u8>(ref)) {
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vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainYearMonth);
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return {};
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}
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// 10. Return ? CreateTemporalYearMonth(y, m, calendar, ref, NewTarget).
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return create_temporal_year_month(global_object, y, m, *calendar, ref, &new_target);
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}
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}
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@ -0,0 +1,28 @@
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/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Runtime/NativeFunction.h>
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namespace JS::Temporal {
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class PlainYearMonthConstructor final : public NativeFunction {
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JS_OBJECT(PlainYearMonthConstructor, NativeFunction);
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public:
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explicit PlainYearMonthConstructor(GlobalObject&);
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virtual void initialize(GlobalObject&) override;
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virtual ~PlainYearMonthConstructor() override = default;
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virtual Value call() override;
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virtual Value construct(FunctionObject& new_target) override;
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private:
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virtual bool has_constructor() const override { return true; }
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};
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}
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@ -0,0 +1,23 @@
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/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthPrototype.h>
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namespace JS::Temporal {
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// 9.3 Properties of the Temporal.PlainYearMonth Prototype Object, https://tc39.es/proposal-temporal/#sec-properties-of-the-temporal-plainyearmonth-prototype-object
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PlainYearMonthPrototype::PlainYearMonthPrototype(GlobalObject& global_object)
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: Object(*global_object.object_prototype())
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{
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}
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void PlainYearMonthPrototype::initialize(GlobalObject& global_object)
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{
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Object::initialize(global_object);
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}
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}
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@ -0,0 +1,22 @@
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/*
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* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/Runtime/Object.h>
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namespace JS::Temporal {
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class PlainYearMonthPrototype final : public Object {
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JS_OBJECT(PlainYearMonthPrototype, Object);
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public:
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explicit PlainYearMonthPrototype(GlobalObject&);
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virtual void initialize(GlobalObject&) override;
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virtual ~PlainYearMonthPrototype() override = default;
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};
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}
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@ -12,6 +12,7 @@
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#include <LibJS/Runtime/Temporal/PlainDateConstructor.h>
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#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
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#include <LibJS/Runtime/Temporal/PlainTimeConstructor.h>
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#include <LibJS/Runtime/Temporal/PlainYearMonthConstructor.h>
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#include <LibJS/Runtime/Temporal/Temporal.h>
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#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
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#include <LibJS/Runtime/Temporal/ZonedDateTimeConstructor.h>
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@ -41,6 +42,7 @@ void Temporal::initialize(GlobalObject& global_object)
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define_direct_property(vm.names.PlainDate, global_object.temporal_plain_date_constructor(), attr);
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define_direct_property(vm.names.PlainDateTime, global_object.temporal_plain_date_time_constructor(), attr);
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define_direct_property(vm.names.PlainTime, global_object.temporal_plain_time_constructor(), attr);
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define_direct_property(vm.names.PlainYearMonth, global_object.temporal_plain_year_month_constructor(), attr);
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define_direct_property(vm.names.TimeZone, global_object.temporal_time_zone_constructor(), attr);
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define_direct_property(vm.names.ZonedDateTime, global_object.temporal_zoned_date_time_constructor(), attr);
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}
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@ -0,0 +1,53 @@
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describe("errors", () => {
|
||||
test("called without new", () => {
|
||||
expect(() => {
|
||||
Temporal.PlainYearMonth();
|
||||
}).toThrowWithMessage(
|
||||
TypeError,
|
||||
"Temporal.PlainYearMonth constructor must be called with 'new'"
|
||||
);
|
||||
});
|
||||
|
||||
test("cannot pass Infinity", () => {
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, 0, {}, Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(-Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, -Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, 0, {}, -Infinity);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
});
|
||||
|
||||
test("cannot pass invalid ISO month/day", () => {
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, 0);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
expect(() => {
|
||||
new Temporal.PlainYearMonth(0, 1, {}, 0);
|
||||
}).toThrowWithMessage(RangeError, "Invalid plain year month");
|
||||
});
|
||||
});
|
||||
|
||||
describe("normal behavior", () => {
|
||||
test("length is 2", () => {
|
||||
expect(Temporal.PlainYearMonth).toHaveLength(2);
|
||||
});
|
||||
|
||||
test("basic functionality", () => {
|
||||
const plainYearMonth = new Temporal.PlainYearMonth(2021, 7);
|
||||
expect(typeof plainYearMonth).toBe("object");
|
||||
expect(plainYearMonth).toBeInstanceOf(Temporal.PlainYearMonth);
|
||||
expect(Object.getPrototypeOf(plainYearMonth)).toBe(Temporal.PlainYearMonth.prototype);
|
||||
});
|
||||
});
|
Loading…
Reference in a new issue