15.2.3.6-4-288.js (1047B)
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: 15.2.3.6-4-288 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is generic own 8 accessor property of 'O', test TypeError is thrown when updating 9 the [[Configurable]] attribute value of 'name' which is defined as 10 non-configurable (15.4.5.1 step 5) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arrObj = []; 16 17 function setFunc(value) { 18 arrObj.setVerifyHelpProp = value; 19 } 20 Object.defineProperty(arrObj, "property", { 21 set: setFunc, 22 configurable: false 23 }); 24 try { 25 Object.defineProperty(arrObj, "property", { 26 configurable: true 27 }); 28 throw new Test262Error("Expected an exception."); 29 } catch (e) { 30 verifyWritable(arrObj, "property", "setVerifyHelpProp"); 31 32 if (!(e instanceof TypeError)) { 33 throw new Test262Error("Expected TypeError, got " + e); 34 } 35 } 36 37 verifyProperty(arrObj, "property", { 38 enumerable: false, 39 configurable: false, 40 }); 41 42 reportCompare(0, 0);