15.2.3.6-4-240.js (1028B)
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: 15.2.3.6-4-240 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is an array index 8 named property, TypeError is thrown if 'name' is accessor 9 property, and 'desc' is data descriptor, and the [[Configurable]] 10 attribute value of 'name' is false (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arrObj = []; 16 17 function setFunc(value) { 18 arrObj.setVerifyHelpProp = value; 19 } 20 21 Object.defineProperty(arrObj, "1", { 22 set: setFunc, 23 configurable: false 24 }); 25 26 try { 27 Object.defineProperty(arrObj, "1", { 28 value: 13 29 }); 30 throw new Test262Error("Expected an exception."); 31 32 } catch (e) { 33 verifyWritable(arrObj, "1", "setVerifyHelpProp"); 34 35 if (!(e instanceof TypeError)) { 36 throw new Test262Error("Expected TypeError, got " + e); 37 } 38 } 39 40 verifyProperty(arrObj, "1", { 41 enumerable: false, 42 configurable: false, 43 }); 44 45 reportCompare(0, 0);