15.2.3.6-3-160.js (886B)
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: 15.2.3.6-3-160 6 description: > 7 Object.defineProperty - 'writable' property in 'Attributes' is own 8 accessor property that overrides an inherited data property 9 (8.10.5 step 6.a) 10 ---*/ 11 12 var obj = {}; 13 14 var proto = { 15 writable: false 16 }; 17 18 var ConstructFun = function() {}; 19 ConstructFun.prototype = proto; 20 21 var child = new ConstructFun(); 22 Object.defineProperty(child, "writable", { 23 get: function() { 24 return true; 25 } 26 }); 27 28 Object.defineProperty(obj, "property", child); 29 30 var beforeWrite = obj.hasOwnProperty("property"); 31 32 obj.property = "isWritable"; 33 34 var afterWrite = (obj.property === "isWritable"); 35 36 assert.sameValue(beforeWrite, true, 'beforeWrite'); 37 assert.sameValue(afterWrite, true, 'afterWrite'); 38 39 reportCompare(0, 0);