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// 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
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