15.2.3.6-3-91-1.js (706B)
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: 15.2.3.6-3-91-1 6 description: > 7 Object.defineProperty - 'Attributes' is the Math 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 Object.prototype.configurable = true; 15 16 Object.defineProperty(obj, "property", Math); 17 18 var beforeDeleted = obj.hasOwnProperty("property"); 19 20 delete obj.property; 21 22 var afterDeleted = obj.hasOwnProperty("property"); 23 24 assert.sameValue(beforeDeleted, true, 'beforeDeleted'); 25 assert.sameValue(afterDeleted, false, 'afterDeleted'); 26 27 reportCompare(0, 0);