v8/test/intl/date-format/unmodified-options.js
littledan 48a36c7df7 [intl] Avoid modifying options bag from constructor
Previously, the Intl.DateTimeFormat constructor and other related paths had
a bug where the options bag passed in would be modified in place. This patch
makes V8's Intl implementation follow the specification's logic to avoid
such a modification.

BUG=v8:4219

Review-Url: https://codereview.chromium.org/2587703002
Cr-Commit-Position: refs/heads/master@{#41826}
2016-12-19 21:36:16 +00:00

18 lines
608 B
JavaScript

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
let options = {};
new Intl.DateTimeFormat(undefined, options);
assertEquals([], Object.getOwnPropertyNames(options));
let date = new Date();
date.toLocaleString(undefined, options);
assertEquals([], Object.getOwnPropertyNames(options));
date.toLocaleDateString(undefined, options);
assertEquals([], Object.getOwnPropertyNames(options));
date.toLocaleTimeString(undefined, options);
assertEquals([], Object.getOwnPropertyNames(options));