test262/test/built-ins/Array/from/source-object-missing.js

22 lines
555 B
JavaScript

// Copyright 2015 Microsoft Corporation. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
description: Source is an object with missing values
es6id: 22.1.2.1
---*/
var array = [2, 4, , 16];
var obj = {
length: 4,
0: 2,
1: 4,
3: 16
};
var a = Array.from.call(Object, obj);
assert.sameValue(typeof a, "object", "The returned type is expected to be object.");
for (var j = 0; j < a.length; j++) {
assert.sameValue(a[j], array[j], "Elements mismatch at " + j + ".");
}