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/*
* Any copyright is dedicated to the Public Domain.
* http://creativecommons.org/licenses/publicdomain/
* Contributor:
* Jeff Walden <jwalden+code@mit.edu>
*/
var gTestfile = '15.2.3.4-01.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 492849;
var summary = 'ES5: Implement Object.preventExtensions, Object.isExtensible';
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
assertEq(typeof Object.isExtensible, "function");
assertEq(Object.isExtensible.length, 1);
var slowArray = [1, 2, 3];
slowArray.slow = 5;
var objs =
[{}, { 1: 2 }, { a: 3 }, [], [1], [, 1], slowArray, function a(){}, /a/];
for (var i = 0, sz = objs.length; i < sz; i++)
{
var o = objs[i];
assertEq(Object.isExtensible(o), true, "object " + i + " not extensible?");
var o2 = Object.preventExtensions(o);
assertEq(o, o2);
assertEq(Object.isExtensible(o), false, "object " + i + " is extensible?");
}
/******************************************************************************/
reportCompare(true, true);
print("All tests passed!");
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