15.2.3.6-4-517.js (1191B)
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: 15.2.3.6-4-517 6 description: > 7 ES5 Attributes - success to update [[Set]] attribute of accessor 8 property ([[Get]] is a Function, [[Set]] is undefined, 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: undefined, 27 enumerable: false, 28 configurable: true 29 }); 30 31 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 32 var propertyDefineCorrect = obj.hasOwnProperty("prop"); 33 34 Object.defineProperty(obj, "prop", { 35 set: setFunc 36 }); 37 38 obj.prop = "overrideData"; 39 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 40 41 assert.sameValue(typeof desc1.set, "undefined", 'typeof desc1.set'); 42 assert(propertyDefineCorrect, 'propertyDefineCorrect !== true'); 43 assert.sameValue(desc2.set, setFunc, 'desc2.set'); 44 assert.sameValue(verifySetFunc, "overrideData", 'verifySetFunc'); 45 46 reportCompare(0, 0);