15.2.3.6-3-239.js (881B)
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: 15.2.3.6-3-239 6 description: > 7 Object.defineProperty - 'set' property in 'Attributes' is own data 8 property that overrides an inherited data property (8.10.5 step 9 8.a) 10 ---*/ 11 12 var obj = {}; 13 var data1 = "data"; 14 var data2 = "data"; 15 var proto = { 16 set: function(value) { 17 data1 = value; 18 } 19 }; 20 21 var ConstructFun = function() {}; 22 ConstructFun.prototype = proto; 23 24 var child = new ConstructFun(); 25 child.set = function(value) { 26 data2 = value; 27 }; 28 29 Object.defineProperty(obj, "property", child); 30 31 obj.property = "overrideData"; 32 33 assert(obj.hasOwnProperty("property"), 'obj.hasOwnProperty("property") !== true'); 34 assert.sameValue(data1, "data", 'data1'); 35 assert.sameValue(data2, "overrideData", 'data2'); 36 37 reportCompare(0, 0);