15.2.3.6-4-227.js (1027B)
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: 15.2.3.6-4-227 6 description: > 7 Object.defineProperty - 'O' is an Array, 'name' is an array index 8 property, test TypeError is thrown when the [[Value]] field of 9 'desc' and the [[Value]] attribute value of 'name' are two objects 10 which refer to two different objects (15.4.5.1 step 4.c) 11 includes: [propertyHelper.js] 12 ---*/ 13 14 var arrObj = []; 15 16 var obj1 = { 17 length: 10 18 }; 19 Object.defineProperty(arrObj, 0, { 20 value: obj1, 21 writable: false, 22 configurable: false 23 }); 24 25 var obj2 = { 26 length: 20 27 }; 28 29 try { 30 Object.defineProperty(arrObj, "0", { 31 value: obj2 32 }); 33 throw new Test262Error("Expected an exception."); 34 } catch (e) { 35 if (!(e instanceof TypeError)) { 36 throw new Test262Error("Expected TypeError, got " + e); 37 } 38 } 39 40 verifyProperty(arrObj, "0", { 41 value: obj1, 42 writable: false, 43 enumerable: false, 44 configurable: false, 45 }); 46 47 reportCompare(0, 0);