// Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 15.2.3.8-2-a-10 description: > Object.seal - 'P' is own property of a Boolean object that uses Object's [[GetOwnProperty]] includes: [propertyHelper.js] ---*/ var obj = new Boolean(false); obj.foo = 10; assert(Object.isExtensible(obj)); Object.seal(obj); verifyNotConfigurable(obj, "foo"); assert.sameValue(obj.foo, 10);