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LibJS: Implement Date.prototype.setUTCMinutes
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3 changed files with 90 additions and 1 deletions
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@ -76,7 +76,7 @@ void DatePrototype::initialize(GlobalObject& global_object)
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define_native_function(vm.names.setUTCFullYear, set_full_year, 3, attr); // FIXME: see above
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define_native_function(vm.names.setUTCHours, set_hours, 4, attr); // FIXME: see above
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define_native_function(vm.names.setUTCMilliseconds, set_milliseconds, 1, attr); // FIXME: see above
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define_native_function(vm.names.setUTCMinutes, set_minutes, 3, attr); // FIXME: see above
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define_native_function(vm.names.setUTCMinutes, set_utc_minutes, 3, attr);
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define_native_function(vm.names.setUTCMonth, set_utc_month, 2, attr);
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define_native_function(vm.names.setUTCSeconds, set_utc_seconds, 2, attr);
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define_native_function(vm.names.toDateString, to_date_string, 0, attr);
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@ -619,6 +619,43 @@ JS_DEFINE_NATIVE_FUNCTION(DatePrototype::set_time)
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return time;
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}
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// 21.4.4.32 Date.prototype.setUTCMinutes ( min [ , sec [ , ms ] ] ), https://tc39.es/ecma262/#sec-date.prototype.setutcminutes
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JS_DEFINE_NATIVE_FUNCTION(DatePrototype::set_utc_minutes)
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{
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// 1. Let t be ? thisTimeValue(this value).
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auto this_time = TRY(this_time_value(global_object, vm.this_value(global_object)));
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auto time = local_time(this_time.as_double());
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// 2. Let m be ? ToNumber(min).
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auto minute = TRY(vm.argument(0).to_number(global_object));
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// 3. If sec is not present, let s be SecFromTime(t).
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// 4. Else,
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// a. Let s be ? ToNumber(sec).
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auto second = TRY(argument_or_value(global_object, 1, sec_from_time(time)));
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// 5. If ms is not present, let milli be msFromTime(t).
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// 6. Else,
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// a. Let milli be ? ToNumber(ms).
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auto millisecond = TRY(argument_or_value(global_object, 2, ms_from_time(time)));
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// 7. Let date be MakeDate(Day(t), MakeTime(HourFromTime(t), m, s, milli)).
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auto hour = Value(hour_from_time(time));
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auto new_time = make_time(global_object, hour, minute, second, millisecond);
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auto date = make_date(Value(day(time)), new_time);
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// 8. Let v be TimeClip(date).
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date = time_clip(global_object, date);
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// 9. Set the [[DateValue]] internal slot of this Date object to v.
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auto* this_object = MUST(typed_this_object(global_object));
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this_object->set_date_value(date.as_double());
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// 10. Return v.
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return date;
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}
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// 21.4.4.33 Date.prototype.setUTCMonth ( month [ , date ] ), https://tc39.es/ecma262/#sec-date.prototype.setutcmonth
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JS_DEFINE_NATIVE_FUNCTION(DatePrototype::set_utc_month)
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{
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@ -46,6 +46,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(set_month);
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JS_DECLARE_NATIVE_FUNCTION(set_seconds);
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JS_DECLARE_NATIVE_FUNCTION(set_time);
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JS_DECLARE_NATIVE_FUNCTION(set_utc_minutes);
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JS_DECLARE_NATIVE_FUNCTION(set_utc_month);
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JS_DECLARE_NATIVE_FUNCTION(set_utc_seconds);
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JS_DECLARE_NATIVE_FUNCTION(to_date_string);
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@ -0,0 +1,51 @@
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describe("errors", () => {
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test("called on non-Date object", () => {
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expect(() => {
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Date.prototype.setUTCMinutes();
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}).toThrowWithMessage(TypeError, "Not an object of type Date");
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});
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test("called with non-numeric parameters", () => {
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expect(() => {
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new Date().setUTCMinutes(Symbol.hasInstance);
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}).toThrowWithMessage(TypeError, "Cannot convert symbol to number");
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expect(() => {
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new Date().setUTCMinutes(1989, Symbol.hasInstance);
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}).toThrowWithMessage(TypeError, "Cannot convert symbol to number");
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});
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});
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describe("correct behavior", () => {
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const d = new Date(2000, 2, 1);
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test("basic functionality", () => {
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d.setUTCMinutes(8);
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expect(d.getUTCMinutes()).toBe(8);
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d.setUTCMinutes(9, 15);
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expect(d.getUTCMinutes()).toBe(9);
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expect(d.getUTCSeconds()).toBe(15);
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d.setUTCMinutes(55, 44, 456);
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expect(d.getUTCMinutes()).toBe(55);
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expect(d.getUTCSeconds()).toBe(44);
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expect(d.getUTCMilliseconds()).toBe(456);
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d.setUTCMinutes("");
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expect(d.getUTCMinutes()).toBe(0);
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d.setUTCMinutes("a");
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expect(d.getUTCMinutes()).toBe(NaN);
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});
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test("NaN", () => {
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d.setUTCMinutes(NaN);
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expect(d.getUTCMinutes()).toBeNaN();
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});
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test("time clip", () => {
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d.setUTCMinutes(8.65e15);
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expect(d.getUTCMinutes()).toBeNaN();
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});
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});
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