JSTests/test262/test/built-ins/Object/isExtensible/15.2.3.13-2-3.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.2.3.13-2-3
description: >
    Object.isExtensible returns true for all built-in objects
    (Function)
---*/

  function foo() {}
 
  var e = Object.isExtensible(foo);

assert.sameValue(e, true, 'e');