// 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.plaindate.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.plaindate.prototype.add step 7:
7. Return ? CalendarDateAdd(_temporalDate_.[[Calendar]], _temporalDate_, _balancedDuration_, _options_).
includes: [temporalHelpers.js]
features: [Temporal]
---*/
const date = new Temporal.PlainDate(2000, 5, 31);
const duration = new Temporal.Duration(3, 1);
const explicit = date.add(duration, { overflow: undefined });
TemporalHelpers.assertPlainDate(explicit, 2003, 6, "M06", 30, "default overflow is constrain");
const implicit = date.add(duration, {});
TemporalHelpers.assertPlainDate(implicit, 2003, 6, "M06", 30, "default overflow is constrain");
const lambda = date.add(duration, () => {});
TemporalHelpers.assertPlainDate(lambda, 2003, 6, "M06", 30, "default overflow is constrain");