mirror of https://github.com/tc39/test262.git
20 lines
683 B
JavaScript
20 lines
683 B
JavaScript
// Copyright 2012 Mozilla Corporation. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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es5id: 9.2.1_2
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description: >
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Tests that the behavior of a List is not affected by adversarial
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changes to Array.prototype.
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author: Norbert Lindenberg
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includes: [testIntl.js]
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---*/
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taintArray();
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testWithIntlConstructors(function (Constructor) {
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var defaultLocale = new Constructor().resolvedOptions().locale;
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var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
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assert.sameValue(canonicalized.length > 1, false, "Canonicalization didn't remove duplicate language tags from locale list.");
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});
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