mirror of https://github.com/tc39/test262.git
47 lines
1.1 KiB
Plaintext
47 lines
1.1 KiB
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: Spread operator applied to the only argument when IteratorStep fails
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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 : ... AssignmentExpression
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1. Let list be an empty List.
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2. Let spreadRef be the result of evaluating AssignmentExpression.
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3. Let spreadObj be GetValue(spreadRef).
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4. Let iterator be GetIterator(spreadObj).
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5. ReturnIfAbrupt(iterator).
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6. Repeat
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a. Let next be IteratorStep(iterator).
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b. ReturnIfAbrupt(next).
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7.4.5 IteratorStep ( iterator )
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1. Let result be IteratorNext(iterator).
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2. ReturnIfAbrupt(result).
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7.4.2 IteratorNext ( iterator, value )
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1. If value was not passed, then
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a. Let result be Invoke(iterator, "next", « »).
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[...]
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3. ReturnIfAbrupt(result).
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---*/
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//- setup
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var iter = {};
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iter[Symbol.iterator] = function() {
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return {
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next: function() {
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throw new Test262Error();
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}
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};
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};
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//- error
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Test262Error
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//- args
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...iter
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