JSTests/test262/test/built-ins/Temporal/TimeZone/prototype/getOffsetStringFor/timezone-getoffsetnanosecondsfor-non-integer.js

// Copyright (C) 2021 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-temporal.timezone.prototype.getoffsetstringfor
description: RangeError thrown if time zone reports an offset that is not an integer number of nanoseconds
features: [Temporal]
includes: [temporalHelpers.js]
---*/

[3600_000_000_000.5, NaN, -Infinity, Infinity].forEach((wrongOffset) => {
  const timeZone = TemporalHelpers.specificOffsetTimeZone(wrongOffset);
  const instant = new Temporal.Instant(1_000_000_000_987_654_321n);
  assert.throws(RangeError, () => timeZone.getOffsetStringFor(instant));
});