// 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.plainyearmonth.prototype.add
description: RangeError thrown when overflow option not one of the allowed string values
info: |
sec-getoption step 10:
10. If _values_ is not *undefined* and _values_ does not contain an element equal to _value_, throw a *RangeError* exception.
sec-temporal-totemporaloverflow step 1:
1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*).
sec-temporal-isoyearmonthfromfields step 2:
2. Let _overflow_ be ? ToTemporalOverflow(_options_).
sec-temporal.plainyearmonth.prototype.add steps 13–15:
13. Let _addedDate_ be ? CalendarDateAdd(_calendar_, _date_, _durationToAdd_, _options_).
14. ...
15. Return ? YearMonthFromFields(_calendar_, _addedDateFields_, _options_).
features: [Temporal]
---*/
const yearmonth = new Temporal.PlainYearMonth(2000, 5);
const duration = new Temporal.Duration(1, 1);
const badOverflows = ["", "CONSTRAIN", "balance", "other string", "constra\u0131n", "reject\0"];
for (const overflow of badOverflows) {
assert.throws(
RangeError,
() => yearmonth.add(duration, { overflow }),
`invalid overflow ("${overflow}")`
);
}