source-object-missing.js (603B)
1 // Copyright 2015 Microsoft Corporation. All rights reserved. 2 // This code is governed by the license found in the LICENSE file. 3 4 /*--- 5 description: Source is an object with missing values 6 esid: sec-array.from 7 es6id: 22.1.2.1 8 ---*/ 9 10 var array = [2, 4, , 16]; 11 var obj = { 12 length: 4, 13 0: 2, 14 1: 4, 15 3: 16 16 }; 17 18 var a = Array.from.call(Object, obj); 19 assert.sameValue(typeof a, "object", 'The value of `typeof a` is expected to be "object"'); 20 for (var j = 0; j < a.length; j++) { 21 assert.sameValue(a[j], array[j], 'The value of a[j] is expected to equal the value of array[j]'); 22 } 23 24 reportCompare(0, 0);