JSTests/test262/test/built-ins/Temporal/Now/plainDateTime/timezone-getoffsetnanosecondsfor-not-a-number.js

// Copyright (C) 2020 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-temporal.now.plaindatetime
description: Rejects non-numeric nanosecond values reported by TimeZone-like object
features: [BigInt, Symbol, Temporal, arrow-function]
---*/
const invalidValues = [
  undefined,
  null,
  true,
  '2020-01-01T12:45:36',
  Symbol(),
  2n,
  {},
  Temporal.PlainDateTime,
  Temporal.PlainDateTime.prototype
];

for (const dateTime of invalidValues) {
  let callCount = 0;

  const timeZone = {
    getOffsetNanosecondsFor(instant, calendar) {
      callCount += 1;
      return dateTime;
    }
  };

  assert.throws(
    TypeError,
    () => Temporal.Now.plainDateTime('iso8601', timeZone),
    'Temporal.Now.plainDateTime("iso8601", timeZone) throws a TypeError exception'
  );

  assert.sameValue(callCount, 1, 'The value of callCount is expected to be 1');
}