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37 lines
984 B
Plaintext
37 lines
984 B
Plaintext
// Copyright (C) 2016 the V8 project authors. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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desc: >
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Spread operator following other arguments when GetIterator fails
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(@@iterator function return value)
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template: error
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features: [Symbol.iterator]
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info: |
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12.3.6.1 Runtime Semantics: ArgumentListEvaluation
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ArgumentList : ArgumentList , ... AssignmentExpression
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1. Let precedingArgs be the result of evaluating ArgumentList.
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2. Let spreadRef be the result of evaluating AssignmentExpression.
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3. Let iterator be GetIterator(GetValue(spreadRef) ).
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4. ReturnIfAbrupt(iterator).
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7.4.1 GetIterator ( obj, method )
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[...]
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2. Let iterator be ? Call(method, obj).
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3. If Type(iterator) is not Object, throw a TypeError exception.
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---*/
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//- setup
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var iter = {};
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Object.defineProperty(iter, Symbol.iterator, {
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get: function() {
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return null;
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}
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});
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//- error
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TypeError
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//- args
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0, ...iter
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