mirror of
https://github.com/tc39/test262.git
synced 2025-10-18 06:14:05 +02:00
43 lines
1.1 KiB
Plaintext
43 lines
1.1 KiB
Plaintext
// Copyright (C) 2016 the V8 project authors. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
/*---
|
|
desc: Spread operator following other arguments when IteratorStep fails
|
|
template: error
|
|
features: [Symbol.iterator]
|
|
info: |
|
|
12.3.6.1 Runtime Semantics: ArgumentListEvaluation
|
|
|
|
ArgumentList : ArgumentList , ... AssignmentExpression
|
|
|
|
1. Let precedingArgs be the result of evaluating ArgumentList.
|
|
2. Let spreadRef be the result of evaluating AssignmentExpression.
|
|
3. Let iterator be GetIterator(GetValue(spreadRef) ).
|
|
4. ReturnIfAbrupt(iterator).
|
|
|
|
7.4.5 IteratorStep ( iterator )
|
|
|
|
1. Let result be IteratorNext(iterator).
|
|
2. ReturnIfAbrupt(result).
|
|
|
|
7.4.2 IteratorNext ( iterator, value )
|
|
|
|
1. If value was not passed, then
|
|
a. Let result be Invoke(iterator, "next", « »).
|
|
[...]
|
|
3. ReturnIfAbrupt(result).
|
|
---*/
|
|
|
|
//- setup
|
|
var iter = {};
|
|
iter[Symbol.iterator] = function() {
|
|
return {
|
|
next: function() {
|
|
throw new Test262Error();
|
|
}
|
|
};
|
|
};
|
|
//- error
|
|
Test262Error
|
|
//- args
|
|
0, ...iter
|