15.2.3.6-4-238.js (983B)
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: 15.2.3.6-4-238 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is an array index 8 named property, TypeError is thrown if the [[Configurable]] 9 attribute value of 'name' is false and the [[Configurable]] field 10 of 'desc' is true (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arrObj = []; 16 17 Object.defineProperty(arrObj, "1", { 18 value: 3, 19 writable: true, 20 configurable: false 21 }); 22 23 try { 24 Object.defineProperty(arrObj, "1", { 25 value: 13, 26 writable: true, 27 configurable: true 28 }); 29 throw new Test262Error("Expected an exception."); 30 } catch (e) { 31 if (!(e instanceof TypeError)) { 32 throw new Test262Error("Expected TypeError, got " + e); 33 } 34 } 35 36 verifyProperty(arrObj, "1", { 37 value: 3, 38 writable: true, 39 enumerable: false, 40 configurable: false, 41 }); 42 43 reportCompare(0, 0);