mirror of https://github.com/tc39/test262.git
66 lines
1.9 KiB
JavaScript
66 lines
1.9 KiB
JavaScript
// This file was procedurally generated from the following sources:
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// - src/dstr-binding/ary-ptrn-elem-id-iter-step-err.case
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// - src/dstr-binding/error/func-decl-dflt.template
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/*---
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description: Error forwarding when IteratorStep returns an abrupt completion (function declaration (default parameter))
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esid: sec-function-definitions-runtime-semantics-instantiatefunctionobject
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es6id: 14.1.19
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features: [destructuring-binding, default-parameters]
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flags: [generated]
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info: |
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FunctionDeclaration :
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function BindingIdentifier ( FormalParameters ) { FunctionBody }
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[...]
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3. Let F be FunctionCreate(Normal, FormalParameters, FunctionBody,
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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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SingleNameBinding : BindingIdentifier Initializeropt
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[...]
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4. If iteratorRecord.[[done]] is false, then
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a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
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b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
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c. ReturnIfAbrupt(next).
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---*/
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var g = {};
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g[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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function f([x] = g) {}
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assert.throws(Test262Error, function() {
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f();
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});
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