15.2.3.6-4-447.js (811B)
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: 15.2.3.6-4-447 6 description: > 7 ES5 Attributes - success to update [[Configurable]] attribute of 8 accessor property ([[Get]] is undefined, [[Set]] is undefined, 9 [[Enumerable]] is false, [[Configurable]] is true) to different 10 value 11 includes: [propertyHelper.js] 12 ---*/ 13 14 var obj = {}; 15 16 Object.defineProperty(obj, "prop", { 17 get: undefined, 18 set: undefined, 19 enumerable: false, 20 configurable: true 21 }); 22 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 23 24 Object.defineProperty(obj, "prop", { 25 configurable: false 26 }); 27 28 assert.sameValue(desc1.configurable, true); 29 30 verifyProperty(obj, "prop", { 31 configurable: false, 32 }); 33 34 reportCompare(0, 0);