15.2.3.6-3-95-1.js (733B)
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: 15.2.3.6-3-95-1 6 description: > 7 Object.defineProperty - 'Attributes' is an Error object that uses 8 Object's [[Get]] method to access the 'configurable' property 9 (8.10.5 step 4.a) 10 ---*/ 11 12 var obj = {}; 13 14 Error.prototype.configurable = true; 15 var errObj = new Error(); 16 17 Object.defineProperty(obj, "property", errObj); 18 19 var beforeDeleted = obj.hasOwnProperty("property"); 20 21 delete obj.property; 22 23 var afterDeleted = obj.hasOwnProperty("property"); 24 25 assert.sameValue(beforeDeleted, true, 'beforeDeleted'); 26 assert.sameValue(afterDeleted, false, 'afterDeleted'); 27 28 reportCompare(0, 0);