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
32
33
34
35
36
37
38
39
|
// This file was procedurally generated from the following sources:
// - src/arguments/args-trailing-comma-null.case
// - src/arguments/default/async-gen-func-expr.template
/*---
description: A trailing comma after null should not increase the arguments.length (async generator function expression)
esid: sec-asyncgenerator-definitions-evaluation
features: [async-iteration]
flags: [generated, async]
info: |
AsyncGeneratorExpression : async [no LineTerminator here] function * ( FormalParameters ) {
AsyncGeneratorBody }
[...]
3. Let closure be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters,
AsyncGeneratorBody, scope, strict).
[...]
Trailing comma in the arguments list
12.3 Left-Hand-Side Expressions
Arguments[Yield, Await] : ( ArgumentList[?Yield, ?Await] , )
---*/
var callCount = 0;
// Stores a reference `ref` for case evaluation
var ref;
ref = async function*() {
assert.sameValue(arguments.length, 2);
assert.sameValue(arguments[0], 42);
assert.sameValue(arguments[1], null);
callCount = callCount + 1;
};
ref(42, null,).next().then(() => {
assert.sameValue(callCount, 1, 'generator function invoked exactly once');
}).then($DONE, $DONE);
|
