15.2.3.6-4-554.js (1257B)
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: 15.2.3.6-4-554 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 false, [[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: false, 28 configurable: true 29 }); 30 31 var result1 = false; 32 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 33 for (var p1 in obj) { 34 if (p1 === "prop") { 35 result1 = true; 36 } 37 } 38 39 Object.defineProperty(obj, "prop", { 40 enumerable: true 41 }); 42 var result2 = false; 43 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 44 for (var p2 in obj) { 45 if (p2 === "prop") { 46 result2 = true; 47 } 48 } 49 50 assert.sameValue(result1, false, 'result1'); 51 assert(result2, 'result2 !== true'); 52 assert.sameValue(desc1.enumerable, false, 'desc1.enumerable'); 53 assert.sameValue(desc2.enumerable, true, 'desc2.enumerable'); 54 55 reportCompare(0, 0);