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LibJS: Fix modulo in get_iso_parts_from_epoch() for negative epoch ns

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This now matches the spec change from reminder() to modulo which was
done here: bdf60f5
This commit is contained in:
Linus Groh 2021-12-21 21:38:12 +01:00
parent 61410e05eb
commit c56e5139f5
2 changed files with 7 additions and 1 deletions
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6
Userland/Libraries/LibJS/Tests/builtins/Temporal/ZonedDateTime/ZonedDateTime.prototype.toString.js
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@ -10,6 +10,12 @@ describe("correct behavior", () => {
expect(zonedDateTime.toString()).toBe("2021-11-03T01:33:05.1002003+00:00[UTC]");
});
test("negative epoch nanoseconds", () => {
const timeZone = new Temporal.TimeZone("UTC");
const zonedDateTime = new Temporal.ZonedDateTime(-999_999_999n, timeZone);
expect(zonedDateTime.toString()).toBe("1969-12-31T23:59:59.000000001+00:00[UTC]");
});
test("fractionalSecondDigits option", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 11, 3, 1, 33, 5, 100, 200, 300);
const timeZone = new Temporal.TimeZone("UTC");