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LibJS: Implement Temporal.PlainTime.prototype.nanosecond
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4 changed files with 30 additions and 0 deletions
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@ -275,6 +275,7 @@ namespace JS {
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P(monthsInYear) \
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P(multiline) \
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P(name) \
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P(nanosecond) \
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P(nanoseconds) \
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P(negated) \
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P(next) \
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@ -32,6 +32,7 @@ void PlainTimePrototype::initialize(GlobalObject& global_object)
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define_native_accessor(vm.names.second, second_getter, {}, Attribute::Configurable);
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define_native_accessor(vm.names.millisecond, millisecond_getter, {}, Attribute::Configurable);
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define_native_accessor(vm.names.microsecond, microsecond_getter, {}, Attribute::Configurable);
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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.valueOf, value_of, 0, attr);
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@ -128,6 +129,19 @@ JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::microsecond_getter)
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return Value(temporal_time->iso_microsecond());
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}
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// 4.3.9 get Temporal.PlainTime.prototype.nanosecond, https://tc39.es/proposal-temporal/#sec-get-temporal.plaintime.prototype.nanosecond
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JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::nanosecond_getter)
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{
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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 = typed_this(global_object);
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if (vm.exception())
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return {};
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// 3. Return 𝔽(temporalTime.[[ISONanosecond]]).
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return Value(temporal_time->iso_nanosecond());
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}
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// 4.3.23 Temporal.PlainTime.prototype.valueOf ( ), https://tc39.es/proposal-temporal/#sec-temporal.plaintime.prototype.valueof
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JS_DEFINE_NATIVE_FUNCTION(PlainTimePrototype::value_of)
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{
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@ -25,6 +25,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(second_getter);
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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(value_of);
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};
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@ -0,0 +1,14 @@
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describe("correct behavior", () => {
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test("basic functionality", () => {
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const plainTime = new Temporal.PlainTime(0, 0, 0, 0, 0, 12);
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expect(plainTime.nanosecond).toBe(12);
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});
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});
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test("errors", () => {
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test("this value must be a Temporal.PlainTime object", () => {
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expect(() => {
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Reflect.get(Temporal.PlainTime.prototype, "nanosecond", "foo");
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}).toThrowWithMessage(TypeError, "Not a Temporal.PlainTime");
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});
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});
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