15.2.3.6-4-324.js (1149B)
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 6 description: > 7 Object.defineProperty - 'O' is an Arguments object, 'P' is own 8 accessor property of 'O', test TypeError is thrown when updating 9 the [[Configurable]] attribute value of 'P' which is not 10 configurable (10.6 [[DefineOwnProperty]] step 4) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 (function() { 15 function setFunc(value) { 16 this.genericPropertyString = value; 17 } 18 Object.defineProperty(arguments, "genericProperty", { 19 set: setFunc, 20 configurable: false 21 }); 22 try { 23 Object.defineProperty(arguments, "genericProperty", { 24 configurable: true 25 }); 26 throw new Test262Error("Expected an exception."); 27 } catch (e) { 28 verifyWritable(arguments, "genericProperty", "genericPropertyString"); 29 30 if (!(e instanceof TypeError)) { 31 throw new Test262Error("Expected TypeError, got " + e); 32 } 33 } 34 35 verifyProperty(arguments, "genericProperty", { 36 enumerable: false, 37 configurable: false, 38 }); 39 }(1, 2, 3)); 40 41 reportCompare(0, 0);