15.2.3.7-6-a-213.js (857B)
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-213 6 description: > 7 Object.defineProperties - 'O' is an Array, 'name' is an array 8 index property, the [[Value]] field of 'desc' is +0, and the 9 [[Value]] attribute value of 'name' is -0 (15.4.5.1 step 4.c) 10 includes: [propertyHelper.js] 11 ---*/ 12 13 var arr = []; 14 15 Object.defineProperty(arr, "0", { 16 value: -0 17 }); 18 19 try { 20 Object.defineProperties(arr, { 21 "0": { 22 value: +0 23 } 24 }); 25 throw new Test262Error("Expected an exception."); 26 } catch (e) { 27 if (!(e instanceof TypeError)) { 28 throw new Test262Error("Expected TypeError, got " + e); 29 } 30 } 31 32 verifyProperty(arr, "0", { 33 value: -0, 34 writable: false, 35 enumerable: false, 36 configurable: false, 37 }); 38 39 reportCompare(0, 0);