15.2.3.7-6-a-298.js (1145B)
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: 15.2.3.7-6-a-298 6 description: > 7 Object.defineProperties - 'O' is an Arguments object, 'P' is an 8 array index named accessor property of 'O' but not defined in 9 [[ParameterMap]] of 'O', test TypeError is thrown when updating 10 the [[Get]] attribute value of 'P' which is not configurable (10.6 11 [[DefineOwnProperty]] step 4) 12 includes: [propertyHelper.js] 13 ---*/ 14 15 16 var arg; 17 18 (function fun() { 19 arg = arguments; 20 }()); 21 22 function get_func1() { 23 return 0; 24 } 25 26 Object.defineProperty(arg, "0", { 27 get: get_func1, 28 enumerable: false, 29 configurable: false 30 }); 31 32 function get_func2() { 33 return 10; 34 } 35 try { 36 Object.defineProperties(arg, { 37 "0": { 38 get: get_func2 39 } 40 }); 41 throw new Test262Error("Expected an exception."); 42 } catch (e) { 43 verifyEqualTo(arg, "0", get_func1()); 44 45 if (!(e instanceof TypeError)) { 46 throw new Test262Error("Expected TypeError, got " + e); 47 } 48 } 49 50 verifyProperty(arg, "0", { 51 enumerable: false, 52 configurable: false, 53 }); 54 55 reportCompare(0, 0);