15.2.3.6-4-239.js (1074B)
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: 15.2.3.6-4-239 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is an array index 8 named property, TypeError is thrown if the [[Configurable]] 9 attribute value of 'name' is false, and [[Enumerable]] of 'desc' 10 is present and its value is different from the [[Enumerable]] 11 attribute value of 'name' (15.4.5.1 step 4.c) 12 includes: [propertyHelper.js] 13 ---*/ 14 15 16 var arrObj = []; 17 18 Object.defineProperty(arrObj, "1", { 19 value: 3, 20 writable: true, 21 configurable: false, 22 enumerable: false 23 }); 24 25 try { 26 Object.defineProperty(arrObj, "1", { 27 value: 13, 28 writable: true, 29 enumerable: true 30 }); 31 throw new Test262Error("Expected an exception."); 32 } catch (e) { 33 if (!(e instanceof TypeError)) { 34 throw new Test262Error("Expected TypeError, got " + e); 35 } 36 } 37 38 verifyProperty(arrObj, "1", { 39 value: 3, 40 writable: true, 41 enumerable: false, 42 configurable: false, 43 }); 44 45 reportCompare(0, 0);