// 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.zoneddatetime.prototype.subtract
description: Verify that undefined options are handled correctly.
features: [BigInt, Temporal]
---*/
const datetime = new Temporal.ZonedDateTime(954506096_987_654_321n, "UTC");
const duration = { months: 1 };
const explicit = datetime.subtract(duration, undefined);
assert.sameValue(explicit.month, 2, "default overflow is constrain");
assert.sameValue(explicit.day, 29, "default overflow is constrain");
const implicit = datetime.subtract(duration);
assert.sameValue(implicit.month, 2, "default overflow is constrain");
assert.sameValue(implicit.day, 29, "default overflow is constrain");