test262/test/intl402/9.2.6_2.js

28 lines
921 B
JavaScript

// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 9.2.6_2
description: >
Tests that the behavior of a List is not affected by adversarial
changes to Array.prototype.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/
taintArray();
testWithIntlConstructors(function (Constructor) {
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale],
{localeMatcher: matcher});
if (canonicalized.length > 1) {
$ERROR("Canonicalization with matcher " + matcher + " didn't remove duplicate language tags from locale list.");
}
});
return true;
});