15.2.3.6-3-174-1.js (743B)
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: 15.2.3.6-3-174-1 6 description: > 7 Object.defineProperty - 'Attributes' is an Error object that uses 8 Object's [[Get]] method to access the 'writable' property of 9 prototype object (8.10.5 step 6.b) 10 ---*/ 11 12 var obj = {}; 13 14 Error.prototype.writable = true; 15 16 var errObj = new Error(); 17 18 Object.defineProperty(obj, "property", errObj); 19 20 var beforeWrite = obj.hasOwnProperty("property"); 21 22 obj.property = "isWritable"; 23 24 var afterWrite = (obj.property === "isWritable"); 25 26 assert.sameValue(beforeWrite, true, 'beforeWrite'); 27 assert.sameValue(afterWrite, true, 'afterWrite'); 28 29 reportCompare(0, 0);