15.2.3.6-4-445.js (1146B)
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: 15.2.3.6-4-445 6 description: > 7 ES5 Attributes - success to update [[Set]] attribute of accessor 8 property ([[Get]] is undefined, [[Set]] is undefined, 9 [[Enumerable]] is false, [[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: undefined, 23 enumerable: false, 24 configurable: true 25 }); 26 27 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 28 var propertyDefineCorrect = obj.hasOwnProperty("prop"); 29 30 Object.defineProperty(obj, "prop", { 31 set: setFunc 32 }); 33 34 obj.prop = "overrideData"; 35 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 36 37 assert.sameValue(typeof desc1.set, "undefined", 'typeof desc1.set'); 38 assert(propertyDefineCorrect, 'propertyDefineCorrect !== true'); 39 assert.sameValue(desc2.set, setFunc, 'desc2.set'); 40 assert.sameValue(verifySetFunc, "overrideData", 'verifySetFunc'); 41 42 reportCompare(0, 0);