15.2.3.6-4-298.js (1162B)
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: 15.2.3.6-4-298 6 description: > 7 Object.defineProperty - 'O' is an Arguments object, 'name' is own 8 accessor property of 'O', test TypeError is thrown when updating 9 the [[Set]] attribute value of 'name' which is defined as 10 non-configurable (10.6 [[DefineOwnProperty]] step 4) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 (function() { 15 function getFunc() { 16 return 10; 17 } 18 Object.defineProperty(arguments, "0", { 19 get: getFunc, 20 set: undefined, 21 enumerable: false, 22 configurable: false 23 }); 24 25 function setFunc(value) { 26 this.setVerifyHelpProp = value; 27 } 28 try { 29 Object.defineProperty(arguments, "0", { 30 set: setFunc 31 }); 32 throw new Test262Error("Expected an exception."); 33 } catch (e) { 34 verifyEqualTo(arguments, "0", getFunc()); 35 36 if (!(e instanceof TypeError)) { 37 throw new Test262Error("Expected TypeError, got " + e); 38 } 39 } 40 41 verifyProperty(arguments, "0", { 42 enumerable: false, 43 configurable: false, 44 }); 45 }(0, 1, 2)); 46 47 reportCompare(0, 0);