// 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.plaindatetime.prototype.add
description: Fallback value for overflow option
info: |
sec-getoption step 3:
3. If _value_ is *undefined*, return _fallback_.
sec-temporal-totemporaloverflow step 1:
1. Return ? GetOption(_normalizedOptions_, *"overflow"*, « String », « *"constrain"*, *"reject"* », *"constrain"*).
sec-temporal.calendar.prototype.dateadd step 7:
7. Let _overflow_ be ? ToTemporalOverflow(_options_).
sec-temporal-adddatetime step 4:
4. Let _addedDate_ be ? CalendarDateAdd(_calendar_, _datePart_, _dateDuration_, _options_).
sec-temporal.plaindatetime.prototype.add step 5:
5. Let _result_ be ? AddDateTime(_dateTime_.[[ISOYear]], _dateTime_.[[ISOMonth]], _dateTime_.[[ISODay]], _dateTime_.[[ISOHour]], _dateTime_.[[ISOMinute]], _dateTime_.[[ISOSecond]], _dateTime_.[[ISOMillisecond]], _dateTime_.[[ISOMicrosecond]], _dateTime_.[[ISONanosecond]], _dateTime_.[[Calendar]], _duration_.[[Years]], _duration_.[[Months]], _duration_.[[Weeks]], _duration_.[[Days]], _duration_.[[Hours]], _duration_.[[Minutes]], _duration_.[[Seconds]], _duration_.[[Milliseconds]], _duration_.[[Microseconds]], _duration_.[[Nanoseconds]], _options_).
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const datetime = new Temporal.PlainDateTime(2000, 5, 31, 12);
const duration = new Temporal.Duration(3, 1);
const explicit = datetime.add(duration, { overflow: undefined });
TemporalHelpers.assertPlainDateTime(explicit, 2003, 6, "M06", 30, 12, 0, 0, 0, 0, 0, "default overflow is constrain");
const implicit = datetime.add(duration, {});
TemporalHelpers.assertPlainDateTime(implicit, 2003, 6, "M06", 30, 12, 0, 0, 0, 0, 0, "default overflow is constrain");