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LibJS: Implement Temporal.ZonedDateTime.prototype.withCalendar

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Luke Wilde 2021-11-05 01:35:37 +00:00 committed by Linus Groh
parent 58bb73b60f
commit b8db0ddc70
3 changed files with 59 additions and 0 deletions

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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.ZonedDateTime.prototype.withCalendar).toHaveLength(1);
});
test("basic functionality", () => {
const object = {};
const zonedDateTime = new Temporal.ZonedDateTime(1n, {}, object);
expect(zonedDateTime.calendar).toBe(object);
const calendar = new Temporal.Calendar("iso8601");
const withCalendarZonedDateTime = zonedDateTime.withCalendar(calendar);
expect(withCalendarZonedDateTime.calendar).toBe(calendar);
});
test("from calendar string", () => {
const object = {};
const zonedDateTime = new Temporal.ZonedDateTime(1n, {}, object);
expect(zonedDateTime.calendar).toBe(object);
const withCalendarZonedDateTime = zonedDateTime.withCalendar("iso8601");
expect(withCalendarZonedDateTime.calendar).toBeInstanceOf(Temporal.Calendar);
expect(withCalendarZonedDateTime.calendar.id).toBe("iso8601");
});
});
describe("errors", () => {
test("this value must be a Temporal.ZonedDateTime object", () => {
expect(() => {
Temporal.ZonedDateTime.prototype.withCalendar.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.ZonedDateTime");
});
// FIXME: Enable this when calendar string parsing is implemented.
test.skip("from invalid calendar string", () => {
const zonedDateTime = new Temporal.ZonedDateTime(1n, {}, {});
// FIXME: Use "toThrowWithMessage" once this has an error message.
expect(() => {
zonedDateTime.withCalendar("iso8602foobar");
}).toThrow(RangeError);
});
});