test262/test/intl402/supportedLocalesOf-duplicat...

18 lines
657 B
JavaScript

// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 9.2.1_8_c_vi
description: >
Tests that canonicalization of locale lists removes duplicate
language tags.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
assert.sameValue(canonicalized.length > 1, false, "Canonicalization didn't remove duplicate language tags from locale list.");
});