15.2.3.6-4-325-1.js (782B)
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: 15.2.3.6-4-325-1 6 description: > 7 Object.defineProperty - 'O' is an Arguments object which created 8 with function take formal parameters, 'name' is own property of 9 [[ParameterMap]] of 'O', test 'name' is deleted if 'name' is 10 configurable and 'desc' is accessor descriptor (10.6 11 [[DefineOwnProperty]] step 5.a.i) 12 ---*/ 13 14 var argObj = (function(a, b, c) { 15 return arguments; 16 })(1, 2, 3); 17 var accessed = false; 18 19 Object.defineProperty(argObj, 0, { 20 get: function() { 21 accessed = true; 22 return 12; 23 } 24 }); 25 26 assert.sameValue(argObj[0], 12, 'argObj[0]'); 27 assert(accessed, 'accessed !== true'); 28 29 reportCompare(0, 0);