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LibJS: Start implementing Temporal.PlainDateTime

Browse source 
This commit adds the PlainDateTime object itself, its constructor and
prototype (currently empty), and the CreateTemporalDateTime abstract
operation.
This commit is contained in:
Linus Groh 2021-07-22 19:47:07 +01:00
parent 42b6bffbf2
commit 4be3196882
Notes: sideshowbarker 2024-07-18 08:33:31 +09:00 
Author: https://github.com/linusg
Commit: https://github.com/SerenityOS/serenity/commit/4be3196882f
Pull-request: https://github.com/SerenityOS/serenity/pull/8940
Reviewed-by: https://github.com/IdanHo ✅
12 changed files with 416 additions and 5 deletions
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2
Userland/Libraries/LibJS/CMakeLists.txt
View file

@ -138,6 +138,8 @@ set(SOURCES
Runtime/Temporal/PlainDateConstructor.cpp
Runtime/Temporal/PlainDatePrototype.cpp
Runtime/Temporal/PlainDateTime.cpp
Runtime/Temporal/PlainDateTimeConstructor.cpp
Runtime/Temporal/PlainDateTimePrototype.cpp
Runtime/Temporal/PlainTime.cpp
Runtime/Temporal/Temporal.cpp
Runtime/Temporal/TimeZone.cpp

11
Userland/Libraries/LibJS/Forward.h
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@ -76,11 +76,12 @@
__JS_ENUMERATE(Float32Array, float32_array, Float32ArrayPrototype, Float32ArrayConstructor, float) \
__JS_ENUMERATE(Float64Array, float64_array, Float64ArrayPrototype, Float64ArrayConstructor, double)
#define JS_ENUMERATE_TEMPORAL_OBJECTS \
__JS_ENUMERATE(Calendar, calendar, CalendarPrototype, CalendarConstructor) \
__JS_ENUMERATE(Duration, duration, DurationPrototype, DurationConstructor) \
__JS_ENUMERATE(Instant, instant, InstantPrototype, InstantConstructor) \
__JS_ENUMERATE(PlainDate, plain_date, PlainDatePrototype, PlainDateConstructor) \
#define JS_ENUMERATE_TEMPORAL_OBJECTS \
__JS_ENUMERATE(Calendar, calendar, CalendarPrototype, CalendarConstructor) \
__JS_ENUMERATE(Duration, duration, DurationPrototype, DurationConstructor) \
__JS_ENUMERATE(Instant, instant, InstantPrototype, InstantConstructor) \
__JS_ENUMERATE(PlainDate, plain_date, PlainDatePrototype, PlainDateConstructor) \
__JS_ENUMERATE(PlainDateTime, plain_date_time, PlainDateTimePrototype, PlainDateTimeConstructor) \
__JS_ENUMERATE(TimeZone, time_zone, TimeZonePrototype, TimeZoneConstructor)
#define JS_ENUMERATE_ITERATOR_PROTOTYPES \

1
Userland/Libraries/LibJS/Runtime/ErrorTypes.h
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@ -174,6 +174,7 @@
M(TemporalInvalidISODate, "Invalid ISO date") \
M(TemporalInvalidMonthCode, "Invalid month code") \
M(TemporalInvalidPlainDate, "Invalid plain date") \
M(TemporalInvalidPlainDateTime, "Invalid plain date time") \
M(TemporalInvalidTime, "Invalid time") \
M(TemporalInvalidTimeZoneName, "Invalid time zone name") \
M(TemporalMissingRequiredProperty, "Required property {} is missing or undefined") \

2
Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
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@ -77,6 +77,8 @@
#include <LibJS/Runtime/Temporal/InstantPrototype.h>
#include <LibJS/Runtime/Temporal/PlainDateConstructor.h>
#include <LibJS/Runtime/Temporal/PlainDatePrototype.h>
#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
#include <LibJS/Runtime/Temporal/PlainDateTimePrototype.h>
#include <LibJS/Runtime/Temporal/Temporal.h>
#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
#include <LibJS/Runtime/Temporal/TimeZonePrototype.h>

73
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp
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@ -4,14 +4,37 @@
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/Date.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/PlainDate.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
#include <LibJS/Runtime/Temporal/PlainTime.h>
namespace JS::Temporal {
// 5 Temporal.PlainDateTime Objects, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-objects
PlainDateTime::PlainDateTime(i32 iso_year, u8 iso_month, u8 iso_day, u8 iso_hour, u8 iso_minute, u8 iso_second, u8 iso_millisecond, u8 iso_microsecond, u8 iso_nanosecond, Object& calendar, Object& prototype)
: Object(prototype)
, m_iso_year(iso_year)
, m_iso_month(iso_month)
, m_iso_day(iso_day)
, m_iso_hour(iso_hour)
, m_iso_minute(iso_minute)
, m_iso_second(iso_second)
, m_iso_millisecond(iso_millisecond)
, m_iso_microsecond(iso_microsecond)
, m_iso_nanosecond(iso_nanosecond)
, m_calendar(calendar)
{
}
void PlainDateTime::visit_edges(Visitor& visitor)
{
visitor.visit(&m_calendar);
}
// 5.5.1 GetEpochFromISOParts ( year, month, day, hour, minute, second, millisecond, microsecond, nanosecond ), https://tc39.es/proposal-temporal/#sec-temporal-getepochfromisoparts
BigInt* get_epoch_from_iso_parts(GlobalObject& global_object, i32 year, i32 month, i32 day, i32 hour, i32 minute, i32 second, i32 millisecond, i32 microsecond, i32 nanosecond)
{
@ -69,4 +92,54 @@ bool iso_date_time_within_limits(GlobalObject& global_object, i32 year, i32 mont
return true;
}
// 5.5.6 CreateTemporalDateTime ( isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar [ , newTarget ] ), https://tc39.es/proposal-temporal/#sec-temporal-createtemporaldatetime
PlainDateTime* create_temporal_date_time(GlobalObject& global_object, i32 iso_year, u8 iso_month, u8 iso_day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Object& calendar, FunctionObject* new_target)
{
auto& vm = global_object.vm();
// 1. Assert: isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, and nanosecond are integers.
// 2. Assert: Type(calendar) is Object.
// 3. If ! IsValidISODate(isoYear, isoMonth, isoDay) is false, throw a RangeError exception.
if (!is_valid_iso_date(iso_year, iso_month, iso_day)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 4. If ! IsValidTime(hour, minute, second, millisecond, microsecond, nanosecond) is false, throw a RangeError exception.
if (!is_valid_time(hour, minute, second, millisecond, microsecond, nanosecond)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 5. If ! ISODateTimeWithinLimits(isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond) is false, then
if (!iso_date_time_within_limits(global_object, iso_year, iso_month, iso_day, hour, minute, second, millisecond, microsecond, nanosecond)) {
// a. Throw a RangeError exception.
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 6. If newTarget is not present, set it to %Temporal.PlainDateTime%.
if (!new_target)
new_target = global_object.temporal_plain_date_time_constructor();
// 7. Let object be ? OrdinaryCreateFromConstructor(newTarget, "%Temporal.PlainDateTime.prototype%", « [[InitializedTemporalDateTime]], [[ISOYear]], [[ISOMonth]], [[ISODay]], [[ISOHour]], [[ISOMinute]], [[ISOSecond]], [[ISOMillisecond]], [[ISOMicrosecond]], [[ISONanosecond]], [[Calendar]] »).
// 8. Set object.[[ISOYear]] to isoYear.
// 9. Set object.[[ISOMonth]] to isoMonth.
// 10. Set object.[[ISODay]] to isoDay.
// 11. Set object.[[ISOHour]] to hour.
// 12. Set object.[[ISOMinute]] to minute.
// 13. Set object.[[ISOSecond]] to second.
// 14. Set object.[[ISOMillisecond]] to millisecond.
// 15. Set object.[[ISOMicrosecond]] to microsecond.
// 16. Set object.[[ISONanosecond]] to nanosecond.
// 17. Set object.[[Calendar]] to calendar.
auto* object = ordinary_create_from_constructor<PlainDateTime>(global_object, *new_target, &GlobalObject::temporal_plain_date_prototype, iso_year, iso_month, iso_day, hour, minute, second, millisecond, microsecond, nanosecond, calendar);
if (vm.exception())
return {};
// 18. Return object.
return object;
}
}

37
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.h
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@ -1,5 +1,6 @@
/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -10,7 +11,43 @@
namespace JS::Temporal {
class PlainDateTime final : public Object {
JS_OBJECT(PlainDateTime, Object);
public:
PlainDateTime(i32 iso_year, u8 iso_month, u8 iso_day, u8 iso_hour, u8 iso_minute, u8 iso_second, u8 iso_millisecond, u8 iso_microsecond, u8 iso_nanosecond, Object& calendar, Object& prototype);
virtual ~PlainDateTime() override = default;
[[nodiscard]] i32 iso_year() const { return m_iso_year; }
[[nodiscard]] u8 iso_month() const { return m_iso_month; }
[[nodiscard]] u8 iso_day() const { return m_iso_day; }
[[nodiscard]] u8 iso_hour() const { return m_iso_hour; }
[[nodiscard]] u8 iso_minute() const { return m_iso_minute; }
[[nodiscard]] u8 iso_second() const { return m_iso_second; }
[[nodiscard]] u8 iso_millisecond() const { return m_iso_millisecond; }
[[nodiscard]] u8 iso_microsecond() const { return m_iso_microsecond; }
[[nodiscard]] u8 iso_nanosecond() const { return m_iso_nanosecond; }
[[nodiscard]] Object const& calendar() const { return m_calendar; }
[[nodiscard]] Object& calendar() { return m_calendar; }
private:
virtual void visit_edges(Visitor&) override;
// 5.4 Properties of Temporal.PlainDateTime Instances, https://tc39.es/proposal-temporal/#sec-properties-of-temporal-plaindatetime-instances
i32 m_iso_year { 0 }; // [[ISOYear]]
u8 m_iso_month { 0 }; // [[ISOMonth]]
u8 m_iso_day { 0 }; // [[ISODay]]
u8 m_iso_hour { 0 }; // [[ISOHour]]
u8 m_iso_minute { 0 }; // [[ISOMinute]]
u8 m_iso_second { 0 }; // [[ISOSecond]]
u16 m_iso_millisecond { 0 }; // [[ISOMillisecond]]
u16 m_iso_microsecond { 0 }; // [[ISOMicrosecond]]
u16 m_iso_nanosecond { 0 }; // [[ISONanosecond]]
Object& m_calendar; // [[Calendar]]
};
BigInt* get_epoch_from_iso_parts(GlobalObject&, i32 year, i32 month, i32 day, i32 hour, i32 minute, i32 second, i32 millisecond, i32 microsecond, i32 nanosecond);
bool iso_date_time_within_limits(GlobalObject&, i32 year, i32 month, i32 day, i32 hour, i32 minute, i32 second, i32 millisecond, i32 microsecond, i32 nanosecond);
PlainDateTime* create_temporal_date_time(GlobalObject&, i32 iso_year, u8 iso_month, u8 iso_day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Object& calendar, FunctionObject* new_target = nullptr);
}

166
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimeConstructor.cpp Normal file
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@ -0,0 +1,166 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Checked.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/Calendar.h>
#include <LibJS/Runtime/Temporal/PlainDateTime.h>
#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
namespace JS::Temporal {
// 5.1 The Temporal.PlainDateTime Constructor, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-constructor
PlainDateTimeConstructor::PlainDateTimeConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.PlainDateTime.as_string(), *global_object.function_prototype())
{
}
void PlainDateTimeConstructor::initialize(GlobalObject& global_object)
{
NativeFunction::initialize(global_object);
auto& vm = this->vm();
// 5.2.1 Temporal.PlainDateTime.prototype, https://tc39.es/proposal-temporal/#sec-temporal-plaindatetime-prototype
define_direct_property(vm.names.prototype, global_object.temporal_plain_date_time_prototype(), 0);
define_direct_property(vm.names.length, Value(3), Attribute::Configurable);
}
// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
Value PlainDateTimeConstructor::call()
{
auto& vm = this->vm();
// 1. If NewTarget is undefined, throw a TypeError exception.
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, "Temporal.PlainDateTime");
return {};
}
// 5.1.1 Temporal.PlainDateTime ( isoYear, isoMonth, isoDay [ , hour [ , minute [ , second [ , millisecond [ , microsecond [ , nanosecond [ , calendarLike ] ] ] ] ] ] ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaindatetime
Value PlainDateTimeConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
// 2. Let isoYear be ? ToIntegerOrInfinity(isoYear).
auto iso_year = vm.argument(0).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 3. If isoYear is +∞ or -∞, throw a RangeError exception.
if (Value(iso_year).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 4. Let isoMonth be ? ToIntegerOrInfinity(isoMonth).
auto iso_month = vm.argument(1).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 5. If isoMonth is +∞ or -∞, throw a RangeError exception.
if (Value(iso_month).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 6. Let isoDay be ? ToIntegerOrInfinity(isoDay).
auto iso_day = vm.argument(2).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 7. If isoDay is +∞ or -∞, throw a RangeError exception.
if (Value(iso_day).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 8. Let hour be ? ToIntegerOrInfinity(hour).
auto hour = vm.argument(3).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 9. If hour is +∞ or -∞, throw a RangeError exception.
if (Value(hour).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// Let minute be ? ToIntegerOrInfinity(minute).
auto minute = vm.argument(4).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 11. If minute is +∞ or -∞, throw a RangeError exception.
if (Value(minute).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 12. Let second be ? ToIntegerOrInfinity(second).
auto second = vm.argument(5).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 13. If second is +∞ or -∞, throw a RangeError exception.
if (Value(second).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 14. Let millisecond be ? ToIntegerOrInfinity(millisecond).
auto millisecond = vm.argument(6).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 15. If millisecond is +∞ or -∞, throw a RangeError exception.
if (Value(millisecond).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 16. Let microsecond be ? ToIntegerOrInfinity(microsecond).
auto microsecond = vm.argument(7).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 17. If microsecond is +∞ or -∞, throw a RangeError exception.
if (Value(microsecond).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 18. Let nanosecond be ? ToIntegerOrInfinity(nanosecond).
auto nanosecond = vm.argument(8).to_integer_or_infinity(global_object);
if (vm.exception())
return {};
// 19. If nanosecond is +∞ or -∞, throw a RangeError exception.
if (Value(nanosecond).is_infinity()) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 20. Let calendar be ? ToTemporalCalendarWithISODefault(calendarLike).
auto* calendar = to_temporal_calendar_with_iso_default(global_object, vm.argument(9));
if (vm.exception())
return {};
// IMPLEMENTATION DEFINED: This is an optimization that allows us to treat these doubles as normal integers from this point onwards.
// This does not change the exposed behaviour as the call to CreateTemporalDateTime will immediately check that these values are valid
// ISO values (for years: -273975 - 273975, for months: 1 - 12, for days: 1 - 31, for hours: 0 - 23, for minutes and seconds: 0 - 59,
// milliseconds, microseconds, and nanoseconds: 0 - 999) all of which are subsets of this check.
if (!AK::is_within_range<i32>(iso_year) || !AK::is_within_range<u8>(iso_month) || !AK::is_within_range<u8>(iso_day) || !AK::is_within_range<u8>(hour) || !AK::is_within_range<u8>(minute) || !AK::is_within_range<u8>(second) || !AK::is_within_range<u16>(millisecond) || !AK::is_within_range<u16>(microsecond) || !AK::is_within_range<u16>(nanosecond)) {
vm.throw_exception<RangeError>(global_object, ErrorType::TemporalInvalidPlainDateTime);
return {};
}
// 21. Return ? CreateTemporalDateTime(isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar, NewTarget).
return create_temporal_date_time(global_object, iso_year, iso_month, iso_day, hour, minute, second, millisecond, microsecond, nanosecond, *calendar, &new_target);
}
}

28
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimeConstructor.h Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/NativeFunction.h>
namespace JS::Temporal {
class PlainDateTimeConstructor final : public NativeFunction {
JS_OBJECT(PlainDateTimeConstructor, NativeFunction);
public:
explicit PlainDateTimeConstructor(GlobalObject&);
virtual void initialize(GlobalObject&) override;
virtual ~PlainDateTimeConstructor() override = default;
virtual Value call() override;
virtual Value construct(FunctionObject& new_target) override;
private:
virtual bool has_constructor() const override { return true; }
};
}

23
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimePrototype.cpp Normal file
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@ -0,0 +1,23 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Temporal/PlainDateTimePrototype.h>
namespace JS::Temporal {
// 5.3 Properties of the Temporal.PlainDateTime Prototype Object, https://tc39.es/proposal-temporal/#sec-properties-of-the-temporal-plaindatetime-prototype-object
PlainDateTimePrototype::PlainDateTimePrototype(GlobalObject& global_object)
: Object(*global_object.object_prototype())
{
}
void PlainDateTimePrototype::initialize(GlobalObject& global_object)
{
Object::initialize(global_object);
}
}

22
Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTimePrototype.h Normal file
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@ -0,0 +1,22 @@
/*
* Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibJS/Runtime/Object.h>
namespace JS::Temporal {
class PlainDateTimePrototype final : public Object {
JS_OBJECT(PlainDateTimePrototype, Object);
public:
explicit PlainDateTimePrototype(GlobalObject&);
virtual void initialize(GlobalObject&) override;
virtual ~PlainDateTimePrototype() override = default;
};
}

2
Userland/Libraries/LibJS/Runtime/Temporal/Temporal.cpp
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@ -10,6 +10,7 @@
#include <LibJS/Runtime/Temporal/InstantConstructor.h>
#include <LibJS/Runtime/Temporal/Now.h>
#include <LibJS/Runtime/Temporal/PlainDateConstructor.h>
#include <LibJS/Runtime/Temporal/PlainDateTimeConstructor.h>
#include <LibJS/Runtime/Temporal/Temporal.h>
#include <LibJS/Runtime/Temporal/TimeZoneConstructor.h>
@ -33,6 +34,7 @@ void Temporal::initialize(GlobalObject& global_object)
define_direct_property(vm.names.Duration, global_object.temporal_duration_constructor(), attr);
define_direct_property(vm.names.Instant, global_object.temporal_instant_constructor(), attr);
define_direct_property(vm.names.PlainDate, global_object.temporal_plain_date_constructor(), attr);
define_direct_property(vm.names.PlainDateTime, global_object.temporal_plain_date_time_constructor(), attr);
define_direct_property(vm.names.TimeZone, global_object.temporal_time_zone_constructor(), attr);
}

54
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.js Normal file
View file

@ -0,0 +1,54 @@
describe("errors", () => {
test("called without new", () => {
expect(() => {
Temporal.PlainDateTime();
}).toThrowWithMessage(
TypeError,
"Temporal.PlainDateTime constructor must be called with 'new'"
);
});
test("cannot pass Infinity", () => {
for (let i = 0; i < 9; ++i) {
const args = Array(9).fill(0);
args[i] = Infinity;
expect(() => {
new Temporal.PlainDateTime(...args);
}).toThrowWithMessage(RangeError, "Invalid plain date time");
args[i] = -Infinity;
expect(() => {
new Temporal.PlainDateTime(...args);
}).toThrowWithMessage(RangeError, "Invalid plain date time");
}
});
test("cannot pass invalid ISO date or time", () => {
// NOTE: The year max value is 3 more than in the polyfill, but they incorrectly seem to
// use ISOYearMonthWithinLimits, which AFAICT isn't used for PlainDate{,Time} in the spec.
// ¯\_(ツ)_/¯
const badValues = [275764, 0, 0, 24, 60, 60, 1000, 1000, 1000];
for (let i = 0; i < 9; ++i) {
const args = [0, 1, 1, 0, 0, 0, 0, 0, 0];
args[i] = badValues[i];
console.log(args);
expect(() => {
new Temporal.PlainDateTime(...args);
}).toThrowWithMessage(RangeError, "Invalid plain date time");
}
});
});
describe("normal behavior", () => {
test("length is 3", () => {
expect(Temporal.PlainDateTime).toHaveLength(3);
});
test("basic functionality", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 7, 22, 19, 46, 32, 123, 456, 789);
expect(typeof plainDateTime).toBe("object");
expect(plainDateTime).toBeInstanceOf(Temporal.PlainDateTime);
expect(Object.getPrototypeOf(plainDateTime)).toBe(Temporal.PlainDateTime.prototype);
});
});