mirror of https://github.com/tc39/test262.git
71 lines
2.0 KiB
JavaScript
71 lines
2.0 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case
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// - src/dstr-binding/error/arrow-function.template
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/*---
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description: Error forwarding when IteratorValue returns an abrupt completion (arrow function expression)
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esid: sec-arrow-function-definitions-runtime-semantics-evaluation
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es6id: 14.2.16
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features: [Symbol.iterator, destructuring-binding]
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flags: [generated]
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info: |
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ArrowFunction : ArrowParameters => ConciseBody
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[...]
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4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict).
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[...]
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9.2.1 [[Call]] ( thisArgument, argumentsList)
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[...]
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7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
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[...]
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9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
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1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
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[...]
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9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
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[...]
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23. Let iteratorRecord be Record {[[iterator]]:
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CreateListIterator(argumentsList), [[done]]: false}.
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24. If hasDuplicates is true, then
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[...]
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25. Else,
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b. Let formalStatus be IteratorBindingInitialization for formals with
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iteratorRecord and env as arguments.
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[...]
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13.3.3.6 Runtime Semantics: IteratorBindingInitialization
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BindingRestElement : ... BindingIdentifier
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1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
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environment).
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2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
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[...]
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c. Let nextValue be IteratorValue(next).
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d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to
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true.
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e. ReturnIfAbrupt(nextValue).
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---*/
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var poisonedValue = Object.defineProperty({}, 'value', {
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get: function() {
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throw new Test262Error();
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}
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});
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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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return poisonedValue;
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}
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};
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};
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var f = ([...x]) => {};
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assert.throws(Test262Error, function() {
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f(iter);
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});
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