test262/test/built-ins/Array/from/items-is-arraybuffer.js
Rick Waldron 452c0e5c61
Automated assertion message update: Array * (#3140)
* Automated assertion message update: Array.from

* Automated assertion message update: Array.isArray

* Automated assertion message update: Array length property

* Automated assertion message update: Array.of

* Automated assertion message update: Array

* Automated assertion message update: Array.prototype.at

* Automated assertion message update: Array.prototype.concat

* Automated assertion message update: compareArray -> assert.compareArray
2021-08-10 14:51:54 -07:00

20 lines
560 B
JavaScript

// Copyright 2015 Leonardo Balter. All rights reserved.
// This code is governed by the license found in the LICENSE file.
/*---
esid: sec-array.from
description: Return empty array if items argument is an ArrayBuffer
info: |
22.1.2.1 Array.from ( items [ , mapfn [ , thisArg ] ] )
...
4. Let usingIterator be GetMethod(items, @@iterator).
5. ReturnIfAbrupt(usingIterator).
...
---*/
var arrayBuffer = new ArrayBuffer(7);
var result = Array.from(arrayBuffer);
assert.sameValue(result.length, 0, 'The value of result.length is expected to be 0');