15.2.3.6-4-536.js (1255B)
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: 15.2.3.6-4-536 6 description: > 7 ES5 Attributes - success to update [[Enumerable]] 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 ---*/ 12 13 var obj = {}; 14 15 var getFunc = function() { 16 return 1001; 17 }; 18 19 var verifySetFunc = "data"; 20 var setFunc = function(value) { 21 verifySetFunc = value; 22 }; 23 24 Object.defineProperty(obj, "prop", { 25 get: getFunc, 26 set: setFunc, 27 enumerable: true, 28 configurable: true 29 }); 30 var result1 = false; 31 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 32 for (var p1 in obj) { 33 if (p1 === "prop") { 34 result1 = true; 35 } 36 } 37 38 Object.defineProperty(obj, "prop", { 39 enumerable: false 40 }); 41 var result2 = false; 42 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 43 for (var p2 in obj) { 44 if (p2 === "prop") { 45 result2 = true; 46 } 47 } 48 49 assert(result1, 'result1 !== true'); 50 assert.sameValue(result2, false, 'result2'); 51 assert.sameValue(desc1.enumerable, true, 'desc1.enumerable'); 52 assert.sameValue(desc2.enumerable, false, 'desc2.enumerable'); 53 54 reportCompare(0, 0);