15.2.3.6-4-360-2.js (1258B)
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: 15.2.3.6-4-360-2 6 description: > 7 ES5 Attributes - Updating data property 'P' whose attributes are 8 [[Writable]]: false, [[Enumerable]]: true, [[Configurable]]: true 9 to an accessor property, 'O' is an Arguments object (8.12.9 - step 10 9.b.i) 11 ---*/ 12 13 var obj = (function() { 14 return arguments; 15 }()); 16 17 Object.defineProperty(obj, "prop", { 18 value: 2010, 19 writable: false, 20 enumerable: true, 21 configurable: true 22 }); 23 var desc1 = Object.getOwnPropertyDescriptor(obj, "prop"); 24 25 function getFunc() { 26 return 20; 27 } 28 Object.defineProperty(obj, "prop", { 29 get: getFunc 30 }); 31 var desc2 = Object.getOwnPropertyDescriptor(obj, "prop"); 32 33 assert(desc1.hasOwnProperty("value"), 'desc1.hasOwnProperty("value") !== true'); 34 assert(desc2.hasOwnProperty("get"), 'desc2.hasOwnProperty("get") !== true'); 35 assert.sameValue(desc2.enumerable, true, 'desc2.enumerable'); 36 assert.sameValue(desc2.configurable, true, 'desc2.configurable'); 37 assert.sameValue(obj.prop, 20, 'obj.prop'); 38 assert.sameValue(typeof desc2.set, "undefined", 'typeof desc2.set'); 39 assert.sameValue(desc2.get, getFunc, 'desc2.get'); 40 41 reportCompare(0, 0);