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