15.2.3.6-4-324-1.js (1203B)
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: 15.2.3.6-4-324-1 6 description: > 7 Object.defineProperty - 'O' is an Arguments object of a function 8 that has formal parameters, 'P' is own accessor property of 'O', 9 test TypeError is thrown when updating the [[Configurable]] 10 attribute value of 'P' which is not configurable (10.6 11 [[DefineOwnProperty]] step 4) 12 includes: [propertyHelper.js] 13 ---*/ 14 15 (function(a, b, c) { 16 function setFunc(value) { 17 this.genericPropertyString = value; 18 } 19 Object.defineProperty(arguments, "genericProperty", { 20 set: setFunc, 21 configurable: false 22 }); 23 try { 24 Object.defineProperty(arguments, "genericProperty", { 25 configurable: true 26 }); 27 throw new Test262Error("Expected an exception."); 28 } catch (e) { 29 verifyWritable(arguments, "genericProperty", "genericPropertyString"); 30 31 if (!(e instanceof TypeError)) { 32 throw new Test262Error("Expected TypeError, got " + e); 33 } 34 } 35 36 verifyProperty(arguments, "genericProperty", { 37 enumerable: false, 38 configurable: false, 39 }); 40 }(1, 2, 3)); 41 42 reportCompare(0, 0);