diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.cpp b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.cpp index cdb96ff86b..9c5b994ffc 100644 --- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.cpp +++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.cpp @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -38,6 +39,7 @@ void PlainTimePrototype::initialize(GlobalObject& global_object) define_native_accessor(vm.names.nanosecond, nanosecond_getter, {}, Attribute::Configurable); u8 attr = Attribute::Writable | Attribute::Configurable; + define_native_function(vm.names.add, add, 1, attr); define_native_function(vm.names.with, with, 1, attr); define_native_function(vm.names.equals, equals, 1, attr); define_native_function(vm.names.toPlainDateTime, to_plain_date_time, 1, attr); @@ -125,6 +127,28 @@ JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::nanosecond_getter) return Value(temporal_time->iso_nanosecond()); } +// 4.3.10 Temporal.PlainTime.prototype.add ( temporalDurationLike ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.add +JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::add) +{ + auto temporal_duration_like = vm.argument(0); + + // 1. Let temporalTime be the this value. + // 2. Perform ? RequireInternalSlot(temporalTime, [[InitializedTemporalTime]]). + auto* temporal_time = TRY(typed_this_object(global_object)); + + // 3. Let duration be ? ToLimitedTemporalDuration(temporalDurationLike, « »). + auto duration = TRY(to_limited_temporal_duration(global_object, temporal_duration_like, {})); + + // 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]]). + 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); + + // 5. Assert: ! IsValidTime(result.[[Hour]], result.[[Minute]], result.[[Second]], result.[[Millisecond]], result.[[Microsecond]], result.[[Nanosecond]]) is true. + VERIFY(is_valid_time(result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond)); + + // 6. Return ? CreateTemporalTime(result.[[Hour]], result.[[Minute]], result.[[Second]], result.[[Millisecond]], result.[[Microsecond]], result.[[Nanosecond]]). + return TRY(create_temporal_time(global_object, result.hour, result.minute, result.second, result.millisecond, result.microsecond, result.nanosecond)); +} + // 4.3.12 Temporal.PlainTime.prototype.with ( temporalTimeLike [ , options ] ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.with JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::with) { diff --git a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.h b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.h index b732aff2e0..f1688eb6b4 100644 --- a/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.h +++ b/Userland/Libraries/LibJS/Runtime/Temporal/PlainTimePrototype.h @@ -27,6 +27,7 @@ private: JS_DECLARE_NATIVE_FUNCTION(millisecond_getter); JS_DECLARE_NATIVE_FUNCTION(microsecond_getter); JS_DECLARE_NATIVE_FUNCTION(nanosecond_getter); + JS_DECLARE_NATIVE_FUNCTION(add); JS_DECLARE_NATIVE_FUNCTION(with); JS_DECLARE_NATIVE_FUNCTION(equals); JS_DECLARE_NATIVE_FUNCTION(to_plain_date_time); diff --git a/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainTime/PlainTime.prototype.add.js b/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainTime/PlainTime.prototype.add.js new file mode 100644 index 0000000000..e5a878edf9 --- /dev/null +++ b/Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainTime/PlainTime.prototype.add.js @@ -0,0 +1,27 @@ +describe("correct behavior", () => { + test("length is 1", () => { + expect(Temporal.PlainTime.prototype.add).toHaveLength(1); + }); + + test("basic functionality", () => { + const plainTime = new Temporal.PlainTime(1, 1, 1, 1, 1, 1); + const duration = new Temporal.Duration(2021, 10, 1, 1, 0, 1, 2, 3, 4, 5); + const result = plainTime.add(duration); + expect(result.hour).toBe(1); + expect(result.minute).toBe(2); + expect(result.second).toBe(3); + expect(result.millisecond).toBe(4); + expect(result.microsecond).toBe(5); + expect(result.nanosecond).toBe(6); + }); +}); + +describe("errors", () => { + test("invalid duration-like", () => { + const plainTime = new Temporal.PlainTime(1, 1, 1, 1, 1, 1); + const invalidDuration = { foo: 1, bar: 2 }; + expect(() => { + plainTime.add(invalidDuration); + }).toThrowWithMessage(TypeError, "Invalid duration-like object"); + }); +});