15.2.3.6-4-501.js (887B)
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: 15.2.3.6-4-501 6 description: > 7 ES5 Attributes - success to update [[Configurable]] attribute of 8 accessor property ([[Get]] is a Function, [[Set]] is undefined, 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 Object.defineProperty(obj, "prop", { 21 get: getFunc, 22 set: undefined, 23 enumerable: true, 24 configurable: true 25 }); 26 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 27 28 Object.defineProperty(obj, "prop", { 29 configurable: false 30 }); 31 32 assert.sameValue(desc1.configurable, true); 33 34 verifyNotWritable(obj, "prop"); 35 36 verifyProperty(obj, "prop", { 37 configurable: false, 38 }); 39 40 reportCompare(0, 0);