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LibJS: Implement Temporal.PlainDate.prototype.toZonedDateTime()

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Linus Groh 2021-11-02 17:47:23 +01:00
parent fc411695c7
commit e27bb94038
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86
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDate/PlainDate.prototype.toZonedDateTime.js Normal file
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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainDate.prototype.toZonedDateTime).toHaveLength(1);
});
test("basic functionality - time zone", () => {
// 3.b. in the spec
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDate.toZonedDateTime(timeZone);
expect(zonedDateTime.year).toBe(2021);
expect(zonedDateTime.month).toBe(7);
expect(zonedDateTime.day).toBe(6);
expect(zonedDateTime.hour).toBe(0);
expect(zonedDateTime.minute).toBe(0);
expect(zonedDateTime.second).toBe(0);
expect(zonedDateTime.millisecond).toBe(0);
expect(zonedDateTime.microsecond).toBe(0);
expect(zonedDateTime.nanosecond).toBe(0);
expect(zonedDateTime.calendar).toBe(plainDate.calendar);
expect(zonedDateTime.timeZone).toBe(timeZone);
});
test("basic functionality - time zone like object", () => {
// 3.c. in the spec
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDate.toZonedDateTime({ timeZone });
expect(zonedDateTime.year).toBe(2021);
expect(zonedDateTime.month).toBe(7);
expect(zonedDateTime.day).toBe(6);
expect(zonedDateTime.hour).toBe(0);
expect(zonedDateTime.minute).toBe(0);
expect(zonedDateTime.second).toBe(0);
expect(zonedDateTime.millisecond).toBe(0);
expect(zonedDateTime.microsecond).toBe(0);
expect(zonedDateTime.nanosecond).toBe(0);
expect(zonedDateTime.calendar).toBe(plainDate.calendar);
expect(zonedDateTime.timeZone).toBe(timeZone);
});
test("basic functionality - time zone like object and plain time", () => {
// 3.c. in the spec
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const plainTime = new Temporal.PlainTime(18, 14, 47, 123, 456, 789);
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = plainDate.toZonedDateTime({ timeZone, plainTime });
expect(zonedDateTime.year).toBe(2021);
expect(zonedDateTime.month).toBe(7);
expect(zonedDateTime.day).toBe(6);
expect(zonedDateTime.hour).toBe(18);
expect(zonedDateTime.minute).toBe(14);
expect(zonedDateTime.second).toBe(47);
expect(zonedDateTime.millisecond).toBe(123);
expect(zonedDateTime.microsecond).toBe(456);
expect(zonedDateTime.nanosecond).toBe(789);
expect(zonedDateTime.calendar).toBe(plainDate.calendar);
expect(zonedDateTime.timeZone).toBe(timeZone);
});
// TODO: Enable when parse_temporal_time_zone_string() is fully implemented
test.skip("basic functionality - time zone identifier", () => {
// 4. in the spec
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const zonedDateTime = plainDate.toZonedDateTime("UTC");
expect(zonedDateTime.year).toBe(2021);
expect(zonedDateTime.month).toBe(7);
expect(zonedDateTime.day).toBe(6);
expect(zonedDateTime.hour).toBe(0);
expect(zonedDateTime.minute).toBe(0);
expect(zonedDateTime.second).toBe(0);
expect(zonedDateTime.millisecond).toBe(0);
expect(zonedDateTime.microsecond).toBe(0);
expect(zonedDateTime.nanosecond).toBe(0);
expect(zonedDateTime.calendar).toBe(plainDate.calendar);
expect(zonedDateTime.timeZone.id).toBe("UTC");
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainDate object", () => {
expect(() => {
Temporal.PlainDate.prototype.toZonedDateTime.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDate");
});
});