15.2.3.6-4-427.js (1143B)
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: 15.2.3.6-4-427 6 description: > 7 ES5 Attributes - success to update [[Set]] attribute of accessor 8 property ([[Get]] is undefined, [[Set]] is undefined, 9 [[Enumerable]] is true, [[Configurable]] is true) to different 10 value 11 ---*/ 12 13 var obj = {}; 14 var verifySetFunc = "data"; 15 var setFunc = function(value) { 16 verifySetFunc = value; 17 }; 18 19 Object.defineProperty(obj, "prop", { 20 get: undefined, 21 set: undefined, 22 enumerable: true, 23 configurable: true 24 }); 25 26 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 27 28 Object.defineProperty(obj, "prop", { 29 set: setFunc 30 }); 31 32 obj.prop = "overrideData"; 33 var propertyDefineCorrect = obj.hasOwnProperty("prop"); 34 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 35 36 assert(propertyDefineCorrect, 'propertyDefineCorrect !== true'); 37 assert.sameValue(typeof desc1.set, "undefined", 'typeof desc1.set'); 38 assert.sameValue(desc2.set, setFunc, 'desc2.set'); 39 assert.sameValue(verifySetFunc, "overrideData", 'verifySetFunc'); 40 41 reportCompare(0, 0);