15.2.3.6-4-493.js (999B)
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: 15.2.3.6-4-493 6 description: > 7 ES5 Attributes - fail to update the accessor property ([[Get]] is 8 undefined, [[Set]] is a Function, [[Enumerable]] is false, 9 [[Configurable]] is false) to a data property 10 ---*/ 11 12 var obj = {}; 13 14 var verifySetFunc = "data"; 15 var setFunc = function(value) { 16 verifySetFunc = value; 17 }; 18 19 Object.defineProperty(obj, "prop", { 20 get: undefined, 21 set: setFunc, 22 enumerable: false, 23 configurable: false 24 }); 25 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 26 assert.throws(TypeError, function() { 27 Object.defineProperty(obj, "prop", { 28 value: 1001 29 }); 30 }); 31 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 32 33 assert(desc1.hasOwnProperty("get"), 'desc1.hasOwnProperty("get") !== true'); 34 assert.sameValue(desc2.hasOwnProperty("value"), false, 'desc2.hasOwnProperty("value")'); 35 36 reportCompare(0, 0);