15.2.3.6-4-439.js (909B)
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: 15.2.3.6-4-439 6 description: > 7 ES5 Attributes - fail to update the accessor property ([[Get]] is 8 undefined, [[Set]] is undefined, [[Enumerable]] is true, 9 [[Configurable]] is false) to a data property 10 ---*/ 11 12 var obj = {}; 13 14 Object.defineProperty(obj, "prop", { 15 get: undefined, 16 set: undefined, 17 enumerable: true, 18 configurable: false 19 }); 20 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 21 assert.throws(TypeError, function() { 22 Object.defineProperty(obj, "prop", { 23 value: 1001 24 }); 25 }); 26 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 27 28 assert(desc1.hasOwnProperty("get"), 'desc1.hasOwnProperty("get") !== true'); 29 assert.sameValue(desc2.hasOwnProperty("value"), false, 'desc2.hasOwnProperty("value")'); 30 31 reportCompare(0, 0);