test262/test/built-ins/Object/getOwnPropertyNames/15.2.3.4-2-2.js

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// Copyright (c) 2012 Ecma International. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
/*---
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es5id: 15.2.3.4-2-2
description: Object.getOwnPropertyNames - returned array is an instance of Array
---*/
var obj = {};
var result = Object.getOwnPropertyNames(obj);
assert(result instanceof Array, 'result instanceof Array !== true');