15.2.3.7-6-a-313.js (1139B)
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: 15.2.3.7-6-a-313 6 description: > 7 Object.defineProperties - 'O' is an Arguments object, 'P' is 8 generic own accessor property of 'O', test TypeError is thrown 9 when updating the [[Configurable]] attribute value of 'P' which is 10 not configurable (10.6 [[DefineOwnProperty]] step 4) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 var arg = (function() { 15 return arguments; 16 }(1, 2, 3)); 17 18 function setFun(value) { 19 arg.genericPropertyString = value; 20 } 21 Object.defineProperty(arg, "genericProperty", { 22 set: setFun, 23 configurable: false 24 }); 25 26 try { 27 Object.defineProperties(arg, { 28 "genericProperty": { 29 configurable: true 30 } 31 }); 32 33 throw new Test262Error("Expected an exception."); 34 } catch (e) { 35 verifyWritable(arg, "genericProperty", "genericPropertyString"); 36 37 if (!(e instanceof TypeError)) { 38 throw new Test262Error("Expected TypeError, got " + e); 39 } 40 } 41 42 verifyProperty(arg, "genericProperty", { 43 enumerable: false, 44 configurable: false, 45 }); 46 47 reportCompare(0, 0);