The Tor Browser / file revision

 // Copyright 2012 Mozilla Corporation. All rights reserved.

 // This code is governed by the BSD license found in the LICENSE file.

 /**

  * @description Tests that the behavior of a Record is not affected by adversarial

  *     changes to Object.prototype.

  * @author Norbert Lindenberg

  */

 $INCLUDE("testIntl.js");

 taintProperties(["localeMatcher", "kn", "kf"]);

 var locale = new Intl.Collator(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;

 if (!isCanonicalizedStructurallyValidLanguageTag(locale)) {

     $ERROR("Collator returns invalid locale " + locale + ".");

 }