// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.10-3-23 description: > Object.preventExtensions - properties can still be reassigned after extensions have been prevented ---*/ var obj = { prop: 12 }; var preCheck = Object.isExtensible(obj); Object.preventExtensions(obj); obj.prop = -1; assert(preCheck, 'preCheck !== true'); assert.sameValue(obj.prop, -1, 'obj.prop'); reportCompare(0, 0);