15.2.3.6-4-464.js (1211B)
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: 15.2.3.6-4-464 6 description: > 7 ES5 Attributes - success to update [[Enumerable]] attribute of 8 accessor property ([[Get]] is undefined, [[Set]] is a Function, 9 [[Enumerable]] is true, [[Configurable]] is true) to different 10 value 11 ---*/ 12 13 var obj = {}; 14 15 var verifySetFunc = "data"; 16 var setFunc = function(value) { 17 verifySetFunc = value; 18 }; 19 20 Object.defineProperty(obj, "prop", { 21 get: undefined, 22 set: setFunc, 23 enumerable: true, 24 configurable: true 25 }); 26 27 var result1 = false; 28 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 29 for (var p1 in obj) { 30 if (p1 === "prop") { 31 result1 = true; 32 } 33 } 34 35 Object.defineProperty(obj, "prop", { 36 enumerable: false 37 }); 38 var result2 = false; 39 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 40 for (var p2 in obj) { 41 if (p2 === "prop") { 42 result2 = true; 43 } 44 } 45 46 assert(result1, 'result1 !== true'); 47 assert.sameValue(result2, false, 'result2'); 48 assert.sameValue(desc1.enumerable, true, 'desc1.enumerable'); 49 assert.sameValue(desc2.enumerable, false, 'desc2.enumerable'); 50 51 reportCompare(0, 0);