1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
// Copyright 2016 Microsoft, Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
author: Brian Terlson <brian.terlson@microsoft.com>
esid: sec-async-function-constructor
description: >
%AsyncFunction% creates functions with or without new and handles arguments
similarly to functions.
---*/
var AsyncFunction = async function foo() {}.constructor;
var fn;
fn = AsyncFunction("a", "await 1;");
assert.sameValue(fn.length, 1, "length with 1 argument, call");
fn = AsyncFunction("a,b", "await 1;");
assert.sameValue(fn.length, 2, "length with 2 arguments in one, call");
fn = AsyncFunction("a", "b", "await 1;");
assert.sameValue(fn.length, 2, "length with 2 arguments, call");
fn = new AsyncFunction("a", "await 1;");
assert.sameValue(fn.length, 1, "length with 1 argument, construct");
fn = new AsyncFunction("a,b", "await 1;");
assert.sameValue(fn.length, 2, "length with 2 arguments in one, construct");
fn = new AsyncFunction("a", "b", "await 1;");
assert.sameValue(fn.length, 2, "length with 2 arguments, construct");
|
