15.2.3.6-4-500.js (1166B)
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: 15.2.3.6-4-500 6 description: > 7 ES5 Attributes - success to update [[Enumerable]] attribute of 8 accessor property ([[Get]] is Function, [[Set]] is undefined, 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 Object.defineProperty(obj, "prop", { 20 get: getFunc, 21 set: undefined, 22 enumerable: true, 23 configurable: true 24 }); 25 var result1 = false; 26 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 27 for (var p1 in obj) { 28 if (p1 === "prop") { 29 result1 = true; 30 } 31 } 32 33 Object.defineProperty(obj, "prop", { 34 enumerable: false 35 }); 36 var result2 = false; 37 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 38 for (var p2 in obj) { 39 if (p2 === "prop") { 40 result2 = true; 41 } 42 } 43 44 assert(result1, 'result1 !== true'); 45 assert.sameValue(result2, false, 'result2'); 46 assert.sameValue(desc1.enumerable, true, 'desc1.enumerable'); 47 assert.sameValue(desc2.enumerable, false, 'desc2.enumerable'); 48 49 reportCompare(0, 0);