15.2.3.6-4-537.js (943B)
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: 15.2.3.6-4-537 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 true, [[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: true, 29 configurable: true 30 }); 31 32 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 33 34 Object.defineProperty(obj, "prop", { 35 configurable: false 36 }); 37 38 assert.sameValue(desc1.configurable, true); 39 40 verifyProperty(obj, "prop", { 41 configurable: false, 42 }); 43 44 reportCompare(0, 0);