15.2.3.6-4-555.js (944B)
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: 15.2.3.6-4-555 6 description: > 7 ES5 Attributes - success to update [[Configurable]] attribute of 8 accessor property ([[Get]] is a Function, [[Set]] is a Function, 9 [[Enumerable]] is false, [[Configurable]] is true) to different 10 value 11 includes: [propertyHelper.js] 12 ---*/ 13 14 var obj = {}; 15 16 var getFunc = function() { 17 return 1001; 18 }; 19 20 var verifySetFunc = "data"; 21 var setFunc = function(value) { 22 verifySetFunc = value; 23 }; 24 25 Object.defineProperty(obj, "prop", { 26 get: getFunc, 27 set: setFunc, 28 enumerable: false, 29 configurable: true 30 }); 31 32 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 33 assert.sameValue(desc1.configurable, true); 34 35 Object.defineProperty(obj, "prop", { 36 configurable: false 37 }); 38 39 verifyProperty(obj, "prop", { 40 configurable: false, 41 }); 42 43 reportCompare(0, 0);