test262/test/intl402/Intl/getCanonicalLocales/overriden-push.js

20 lines
602 B
JavaScript

// Copyright 2016 Mozilla Corporation. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
esid: sec-intl.getcanonicallocales
description: Tests the getCanonicalLocales function for overridden Array.push().
info: |
8.2.1 Intl.getCanonicalLocales (locales)
1. Let ll be ? CanonicalizeLocaleList(locales).
2. Return CreateArrayFromList(ll).
includes: [compareArray.js]
---*/
Array.prototype.push = function() { throw 42; };
// must not throw 42, might if push is used
var arr = Intl.getCanonicalLocales(["en-US"]);
assert.compareArray(arr, ["en-US"]);