15.2.3.7-6-a-250.js (680B)
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: 15.2.3.7-6-a-250 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is an array index 8 named property that already exists on 'O' is data property and 9 'desc' is data descriptor, test updating the [[Writable]] 10 attribute value of 'P' (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arr = [100]; 16 17 Object.defineProperties(arr, { 18 "0": { 19 writable: false 20 } 21 }); 22 23 verifyProperty(arr, "0", { 24 value: 100, 25 writable: false, 26 enumerable: true, 27 configurable: true, 28 }); 29 30 reportCompare(0, 0);