15.2.3.7-6-a-229.js (1017B)
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-229 6 description: > 7 Object.defineProperties - 'O' is an Array, 'P' is an array index 8 property, TypeError is thrown if 'P' is accessor property, and 9 'desc' is data descriptor, and the [[Configurable]] attribute 10 value of 'P' is false (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 15 var arr = []; 16 17 function set_fun(value) { 18 arr.setVerifyHelpProp = value; 19 } 20 21 Object.defineProperty(arr, "1", { 22 set: set_fun, 23 configurable: false 24 25 }); 26 27 try { 28 Object.defineProperties(arr, { 29 "1": { 30 value: 13 31 } 32 }); 33 throw new Test262Error("Expected an exception."); 34 35 } catch (e) { 36 verifyWritable(arr, "1", "setVerifyHelpProp"); 37 38 if (!(e instanceof TypeError)) { 39 throw new Test262Error("Expected TypeError, got " + e); 40 } 41 } 42 43 verifyProperty(arr, "1", { 44 enumerable: false, 45 configurable: false, 46 }); 47 48 reportCompare(0, 0);