// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.8-3-1 description: Object.seal - returned object is not extensible ---*/ var obj = {}; var preCheck = Object.isExtensible(obj); Object.seal(obj); assert(preCheck, 'preCheck !== true'); assert.sameValue(Object.isExtensible(obj), false, 'Object.isExtensible(obj)');