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LibJS: Implement Temporal.ZonedDateTime.from
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describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Temporal.ZonedDateTime.from).toHaveLength(1);
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});
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test("ZonedDateTime instance argument", () => {
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const timeZone = new Temporal.TimeZone("UTC");
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const calendar = new Temporal.Calendar("iso8601");
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const zonedDateTime = new Temporal.ZonedDateTime(1627318123456789000n, timeZone, calendar);
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const createdZoneDateTime = Temporal.ZonedDateTime.from(zonedDateTime);
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expect(createdZoneDateTime).toBeInstanceOf(Temporal.ZonedDateTime);
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expect(createdZoneDateTime).not.toBe(zonedDateTime);
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expect(createdZoneDateTime.timeZone).toBe(timeZone);
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expect(createdZoneDateTime.calendar).toBe(calendar);
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expect(createdZoneDateTime.epochNanoseconds).toBe(1627318123456789000n);
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});
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test("PlainDate instance argument", () => {
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const timeZone = new Temporal.TimeZone("UTC");
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const calendar = new Temporal.Calendar("iso8601");
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const plainDate = new Temporal.PlainDate(2021, 11, 7, calendar);
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plainDate.timeZone = timeZone;
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const createdZoneDateTime = Temporal.ZonedDateTime.from(plainDate);
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expect(createdZoneDateTime).toBeInstanceOf(Temporal.ZonedDateTime);
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expect(createdZoneDateTime.timeZone).toBe(timeZone);
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expect(createdZoneDateTime.calendar).toBe(calendar);
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expect(createdZoneDateTime.year).toBe(2021);
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expect(createdZoneDateTime.month).toBe(11);
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expect(createdZoneDateTime.day).toBe(7);
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});
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test("PlainDateTime instance argument", () => {
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const timeZone = new Temporal.TimeZone("UTC");
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const calendar = new Temporal.Calendar("iso8601");
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const plainDateTime = new Temporal.PlainDateTime(
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2021,
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11,
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7,
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0,
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20,
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5,
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100,
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200,
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300,
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calendar
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);
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plainDateTime.timeZone = timeZone;
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const createdZoneDateTime = Temporal.ZonedDateTime.from(plainDateTime);
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expect(createdZoneDateTime).toBeInstanceOf(Temporal.ZonedDateTime);
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expect(createdZoneDateTime.timeZone).toBe(timeZone);
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expect(createdZoneDateTime.calendar).toBe(calendar);
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expect(createdZoneDateTime.year).toBe(2021);
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expect(createdZoneDateTime.month).toBe(11);
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expect(createdZoneDateTime.day).toBe(7);
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expect(createdZoneDateTime.hour).toBe(0);
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expect(createdZoneDateTime.minute).toBe(20);
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expect(createdZoneDateTime.second).toBe(5);
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expect(createdZoneDateTime.millisecond).toBe(100);
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expect(createdZoneDateTime.microsecond).toBe(200);
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expect(createdZoneDateTime.nanosecond).toBe(300);
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});
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test("ZonedDateTime-like argument", () => {
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const timeZone = new Temporal.TimeZone("UTC");
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const calendar = new Temporal.Calendar("iso8601");
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const zdtLike = {
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timeZone,
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calendar,
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year: 2021,
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month: 11,
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day: 7,
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hour: 0,
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minute: 20,
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second: 5,
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millisecond: 100,
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microsecond: 200,
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nanosecond: 300,
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};
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const createdZoneDateTime = Temporal.ZonedDateTime.from(zdtLike);
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expect(createdZoneDateTime).toBeInstanceOf(Temporal.ZonedDateTime);
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expect(createdZoneDateTime.timeZone).toBe(timeZone);
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expect(createdZoneDateTime.calendar).toBe(calendar);
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expect(createdZoneDateTime.year).toBe(2021);
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expect(createdZoneDateTime.month).toBe(11);
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expect(createdZoneDateTime.day).toBe(7);
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expect(createdZoneDateTime.hour).toBe(0);
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expect(createdZoneDateTime.minute).toBe(20);
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expect(createdZoneDateTime.second).toBe(5);
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expect(createdZoneDateTime.millisecond).toBe(100);
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expect(createdZoneDateTime.microsecond).toBe(200);
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expect(createdZoneDateTime.nanosecond).toBe(300);
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});
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// FIXME: Enable when parse_iso_date_time is implemented.
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test.skip("from string", () => {
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const zonedDateTime = Temporal.ZonedDateTime.from(
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"2021-11-07T00:20:05.100200300+00:00[UTC][u-ca=iso8601]"
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);
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expect(zonedDateTime).toBeInstanceOf(Temporal.ZonedDateTime);
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expect(zonedDateTime.timeZone).toBeInstanceOf(Temporal.TimeZone);
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expect(zonedDateTime.timeZone.id).toBe("UTC");
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expect(zonedDateTime.calendar).toBeInstanceOf(Temporal.Calendar);
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expect(zonedDateTime.calendar.id).toBe("iso8601");
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expect(createdZoneDateTime.year).toBe(2021);
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expect(createdZoneDateTime.month).toBe(11);
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expect(createdZoneDateTime.day).toBe(7);
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expect(createdZoneDateTime.hour).toBe(0);
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expect(createdZoneDateTime.minute).toBe(20);
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expect(createdZoneDateTime.second).toBe(5);
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expect(createdZoneDateTime.millisecond).toBe(100);
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expect(createdZoneDateTime.microsecond).toBe(200);
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expect(createdZoneDateTime.nanosecond).toBe(300);
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expect(createdZoneDateTime.offset).toBe("+00:00");
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expect(createdZoneDateTime.offsetNanoseconds).toBe(0);
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});
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});
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describe("errors", () => {
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test("requires timeZone property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({});
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}).toThrowWithMessage(TypeError, "Required property timeZone is missing or undefined");
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});
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test("requires year property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC") });
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}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
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});
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test("requires month property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({ timeZone: new Temporal.TimeZone("UTC"), year: 2021 });
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}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
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});
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test("requires day property", () => {
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expect(() => {
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Temporal.ZonedDateTime.from({
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timeZone: new Temporal.TimeZone("UTC"),
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year: 2021,
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month: 11,
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});
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}).toThrowWithMessage(TypeError, "Required property day is missing or undefined");
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});
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});
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