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LibJS: Implement Temporal.PlainTime.prototype.add()
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@ -7,6 +7,7 @@
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#include <AK/TypeCasts.h>
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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/Duration.h>
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#include <LibJS/Runtime/Temporal/PlainDate.h>
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#include <LibJS/Runtime/Temporal/PlainDateTime.h>
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#include <LibJS/Runtime/Temporal/PlainTime.h>
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@ -38,6 +39,7 @@ void PlainTimePrototype::initialize(GlobalObject& global_object)
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define_native_accessor(vm.names.nanosecond, nanosecond_getter, {}, Attribute::Configurable);
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u8 attr = Attribute::Writable | Attribute::Configurable;
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define_native_function(vm.names.add, add, 1, attr);
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define_native_function(vm.names.with, with, 1, attr);
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define_native_function(vm.names.equals, equals, 1, attr);
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define_native_function(vm.names.toPlainDateTime, to_plain_date_time, 1, attr);
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@ -125,6 +127,28 @@ JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::nanosecond_getter)
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return Value(temporal_time->iso_nanosecond());
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}
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// 4.3.10 Temporal.PlainTime.prototype.add ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.add
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JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::add)
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{
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auto temporal_duration_like = vm.argument(0);
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// 1. Let temporalTime be the this value.
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// 2. Perform ? RequireInternalSlot(temporalTime, [[InitializedTemporalTime]]).
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auto* temporal_time = TRY(typed_this_object(global_object));
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// 3. Let duration be ? ToLimitedTemporalDuration(temporalDurationLike, « »).
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auto duration = TRY(to_limited_temporal_duration(global_object, temporal_duration_like, {}));
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// 4. Let result be ! AddTime(temporalTime.[[ISOHour]], temporalTime.[[ISOMinute]], temporalTime.[[ISOSecond]], temporalTime.[[ISOMillisecond]], temporalTime.[[ISOMicrosecond]], temporalTime.[[ISONanosecond]], duration.[[Hours]], duration.[[Minutes]], duration.[[Seconds]], duration.[[Milliseconds]], duration.[[Microseconds]], duration.[[Nanoseconds]]).
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auto result = add_time(temporal_time->iso_hour(), temporal_time->iso_minute(), temporal_time->iso_second(), temporal_time->iso_millisecond(), temporal_time->iso_microsecond(), temporal_time->iso_nanosecond(), duration.hours, duration.minutes, duration.seconds, duration.milliseconds, duration.microseconds, duration.nanoseconds);
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// 5. Assert: ! IsValidTime(result.[[Hour]], result.[[Minute]], result.[[Second]], result.[[Millisecond]], result.[[Microsecond]], result.[[Nanosecond]]) is true.
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VERIFY(is_valid_time(result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond));
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// 6. Return ? CreateTemporalTime(result.[[Hour]], result.[[Minute]], result.[[Second]], result.[[Millisecond]], result.[[Microsecond]], result.[[Nanosecond]]).
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return TRY(create_temporal_time(global_object, result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond));
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}
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// 4.3.12 Temporal.PlainTime.prototype.with ( temporalTimeLike [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.with
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JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::with)
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{
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@ -27,6 +27,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(millisecond_getter);
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JS_DECLARE_NATIVE_FUNCTION(microsecond_getter);
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JS_DECLARE_NATIVE_FUNCTION(nanosecond_getter);
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JS_DECLARE_NATIVE_FUNCTION(add);
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JS_DECLARE_NATIVE_FUNCTION(with);
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JS_DECLARE_NATIVE_FUNCTION(equals);
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JS_DECLARE_NATIVE_FUNCTION(to_plain_date_time);
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@ -0,0 +1,27 @@
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describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Temporal.PlainTime.prototype.add).toHaveLength(1);
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});
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test("basic functionality", () => {
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const plainTime = new Temporal.PlainTime(1, 1, 1, 1, 1, 1);
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const duration = new Temporal.Duration(2021, 10, 1, 1, 0, 1, 2, 3, 4, 5);
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const result = plainTime.add(duration);
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expect(result.hour).toBe(1);
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expect(result.minute).toBe(2);
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expect(result.second).toBe(3);
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expect(result.millisecond).toBe(4);
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expect(result.microsecond).toBe(5);
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expect(result.nanosecond).toBe(6);
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});
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});
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describe("errors", () => {
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test("invalid duration-like", () => {
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const plainTime = new Temporal.PlainTime(1, 1, 1, 1, 1, 1);
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const invalidDuration = { foo: 1, bar: 2 };
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expect(() => {
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plainTime.add(invalidDuration);
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}).toThrowWithMessage(TypeError, "Invalid duration-like object");
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});
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});
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