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LibJS: Implement Temporal.Now.plainDate()

...and ten required AOs we didn't have yet:

- BalanceISODate
- BalanceISODateTime
- BalanceISOYearMonth
- BalanceTime
- BuiltinTimeZoneGetPlainDateTimeFor
- GetISOPartsFromEpoch
- GetOffsetNanosecondsFor
- ParseTemporalTimeZone
- SystemDateTime
- ToTemporalTimeZone
This commit is contained in:
Linus Groh 2021-07-27 00:21:16 +01:00
parent 5512ff79f0
commit c303bbde54
18 changed files with 507 additions and 1 deletions

View file

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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.Now.plainDate).toHaveLength(1);
});
test("basic functionality", () => {
const calendar = new Temporal.Calendar("iso8601");
const plainDate = Temporal.Now.plainDate(calendar);
expect(plainDate).toBeInstanceOf(Temporal.PlainDate);
expect(plainDate.calendar).toBe(calendar);
});
test("custom time zone", () => {
const calendar = new Temporal.Calendar("iso8601");
const timeZone = {
getOffsetNanosecondsFor() {
return 86400000000000;
},
};
const plainDate = Temporal.Now.plainDate(calendar);
const plainDateWithOffset = Temporal.Now.plainDate(calendar, timeZone);
// Yes, this will fail if a day, month, or year change happens between the above two lines :^)
expect(plainDateWithOffset.year).toBe(plainDate.year);
expect(plainDateWithOffset.month).toBe(plainDate.month);
expect(plainDateWithOffset.day).toBe(plainDate.day + 1);
});
});