15.2.3.10-3-10.js (547B)
1 // Copyright (c) 2012 Ecma International. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 es5id: 15.2.3.10-3-10 6 description: > 7 Object.preventExtensions - indexed properties cannot be added into 8 an Error object 9 includes: [propertyHelper.js] 10 ---*/ 11 12 var errObj = new Error(); 13 14 assert(Object.isExtensible(errObj)); 15 Object.preventExtensions(errObj); 16 assert(!Object.isExtensible(errObj)); 17 18 verifyNotWritable(errObj, "0", "nocheck"); 19 20 assert(!errObj.hasOwnProperty("0")); 21 22 reportCompare(0, 0);