15.2.3.7-6-a-112.js (820B)
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-112 6 description: > 7 Object.defineProperties - 'O' is an Array, test the length 8 property of 'O' is own data property (15.4.5.1 step 1) 9 ---*/ 10 11 var arr = [0, 1]; 12 Object.defineProperty(arr, "1", { 13 value: 1, 14 configurable: false 15 }); 16 assert.throws(TypeError, function() { 17 Object.defineProperties(arr, { 18 length: { 19 value: 1 20 } 21 }); 22 }); 23 var desc = Object.getOwnPropertyDescriptor(arr, "length"); 24 25 assert.sameValue(desc.value, 2, 'desc.value'); 26 assert(desc.writable, 'desc.writable !== true'); 27 assert.sameValue(desc.enumerable, false, 'desc.enumerable'); 28 assert.sameValue(desc.configurable, false, 'desc.configurable'); 29 30 reportCompare(0, 0);