15.2.3.6-4-310.js (1201B)
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: 15.2.3.6-4-310 6 description: > 7 Object.defineProperty - 'O' is an Arguments object, 'name' is an 8 index named accessor property of 'O' but not defined in 9 [[ParameterMap]] of 'O', test TypeError is thrown when updating 10 the [[Set]] attribute value of 'name' which is not configurable 11 (10.6 [[DefineOwnProperty]] step 4) 12 includes: [propertyHelper.js] 13 ---*/ 14 15 (function() { 16 function getFunc() { 17 return 0; 18 } 19 Object.defineProperty(arguments, "0", { 20 get: getFunc, 21 set: undefined, 22 enumerable: false, 23 configurable: false 24 }); 25 26 function setFunc(value) { 27 this.setVerifyHelpProp = value; 28 } 29 try { 30 Object.defineProperty(arguments, "0", { 31 set: setFunc 32 }); 33 throw new Test262Error("Expected an exception."); 34 } catch (e) { 35 verifyEqualTo(arguments, "0", getFunc()); 36 37 if (!(e instanceof TypeError)) { 38 throw new Test262Error("Expected TypeError, got " + e); 39 } 40 } 41 42 verifyProperty(arguments, "0", { 43 enumerable: false, 44 configurable: false, 45 }); 46 }()); 47 48 reportCompare(0, 0);