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LibJS: Implement Temporal.PlainYearMonth.from

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Luke Wilde 2021-09-09 05:06:46 +01:00 • committed by Linus Groh
parent 58e2597dc2
commit 092ec0cecf
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83
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainYearMonth/PlainYearMonth.from.js Normal file
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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainYearMonth.from).toHaveLength(1);
});
test("PlainDate instance argument", () => {
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const plainYearMonth = Temporal.PlainYearMonth.from(plainDate);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
expect(plainYearMonth.monthCode).toBe("M07");
expect(plainYearMonth.daysInYear).toBe(365);
expect(plainYearMonth.daysInMonth).toBe(31);
expect(plainYearMonth.monthsInYear).toBe(12);
expect(plainYearMonth.inLeapYear).toBeFalse();
});
test("PlainYearMonth instance argument", () => {
const plainYearMonth_ = new Temporal.PlainYearMonth(2021, 7);
const plainYearMonth = Temporal.PlainYearMonth.from(plainYearMonth_);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
expect(plainYearMonth.monthCode).toBe("M07");
expect(plainYearMonth.daysInYear).toBe(365);
expect(plainYearMonth.daysInMonth).toBe(31);
expect(plainYearMonth.monthsInYear).toBe(12);
expect(plainYearMonth.inLeapYear).toBeFalse();
});
test("ZonedDateTime instance argument", () => {
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = new Temporal.ZonedDateTime(1625614921000000000n, timeZone);
const plainYearMonth = Temporal.PlainYearMonth.from(zonedDateTime);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
expect(plainYearMonth.monthCode).toBe("M07");
expect(plainYearMonth.daysInYear).toBe(365);
expect(plainYearMonth.daysInMonth).toBe(31);
expect(plainYearMonth.monthsInYear).toBe(12);
expect(plainYearMonth.inLeapYear).toBeFalse();
});
test("fields object argument", () => {
const object = {
year: 2021,
month: 7,
};
const plainYearMonth = Temporal.PlainYearMonth.from(object);
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
expect(plainYearMonth.monthCode).toBe("M07");
expect(plainYearMonth.daysInYear).toBe(365);
expect(plainYearMonth.daysInMonth).toBe(31);
expect(plainYearMonth.monthsInYear).toBe(12);
expect(plainYearMonth.inLeapYear).toBeFalse();
});
// Un-skip once ParseISODateTime & ParseTemporalYearMonthString are fully implemented
test.skip("PlainYearMonth string argument", () => {
const plainYearMonth = Temporal.PlainYearMonth.from("2021-07-06T23:42:01Z");
expect(plainYearMonth.year).toBe(2021);
expect(plainYearMonth.month).toBe(7);
expect(plainYearMonth.monthCode).toBe("M07");
expect(plainYearMonth.daysInYear).toBe(365);
expect(plainYearMonth.daysInMonth).toBe(31);
expect(plainYearMonth.monthsInYear).toBe(12);
expect(plainYearMonth.inLeapYear).toBeFalse();
});
});
describe("errors", () => {
test("missing fields", () => {
expect(() => {
Temporal.PlainYearMonth.from({});
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
expect(() => {
Temporal.PlainYearMonth.from({ year: 0 });
}).toThrowWithMessage(TypeError, "Required property month is missing or undefined");
expect(() => {
Temporal.PlainYearMonth.from({ month: 1 });
}).toThrowWithMessage(TypeError, "Required property year is missing or undefined");
});
});