test262/test/built-ins/Temporal/Duration/months-undefined.js

17 lines
504 B
JavaScript

// 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.duration
description: Undefined arguments should be treated as zero.
features: [Temporal]
---*/
const years = 1;
const explicit = new Temporal.Duration(years, undefined);
assert.sameValue(explicit.months, 0, "months default argument");
const implicit = new Temporal.Duration(years);
assert.sameValue(implicit.months, 0, "months default argument");