15.2.3.7-6-a-227.js (893B)
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-227 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is an array index 8 property, TypeError is thrown if the [[Configurable]] attribute 9 value of 'P' is false and the [[Configurable]] field of 'desc' is 10 true (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arr = []; 16 17 Object.defineProperty(arr, "1", { 18 value: 3, 19 configurable: false 20 }); 21 22 try { 23 Object.defineProperties(arr, { 24 "1": { 25 value: 13, 26 configurable: true 27 } 28 }); 29 } catch (e) { 30 if (!(e instanceof TypeError)) { 31 throw new Test262Error("Expected TypeError, got " + e); 32 } 33 } 34 35 verifyProperty(arr, "1", { 36 value: 3, 37 writable: false, 38 enumerable: false, 39 configurable: false, 40 }); 41 42 reportCompare(0, 0);