test262/test/intl402/DateTimeFormat/12.1.1_5.js

17 lines
588 B
JavaScript

// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 12.1.1_5
description: >
Tests that the behavior of a Record is not affected by
adversarial changes to Object.prototype.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/
taintProperties(["localeMatcher"]);
var locale = new Intl.DateTimeFormat(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
assert(isCanonicalizedStructurallyValidLanguageTag(locale), "DateTimeFormat returns invalid locale " + locale + ".");