// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-elem-id-iter-val-err.case // - src/dstr-binding/error/async-gen-func-decl-dflt.template /*--- description: Error forwarding when IteratorValue returns an abrupt completion (async generator function declaration (default parameter)) esid: sec-asyncgenerator-definitions-instantiatefunctionobject features: [Symbol.iterator, async-iteration] flags: [generated] info: | AsyncGeneratorDeclaration : async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } [...] 3. Let F be ! AsyncGeneratorFunctionCreate(Normal, FormalParameters, AsyncGeneratorBody, scope, strict). [...] 13.3.3.6 Runtime Semantics: IteratorBindingInitialization SingleNameBinding : BindingIdentifier Initializeropt [...] 4. If iteratorRecord.[[done]] is false, then a. Let next be IteratorStep(iteratorRecord.[[iterator]]). b. If next is an abrupt completion, set iteratorRecord.[[done]] to true. c. ReturnIfAbrupt(next). d. If next is false, set iteratorRecord.[[done]] to true. e. Else, i. Let v be IteratorValue(next). ii. If v is an abrupt completion, set iteratorRecord.[[done]] to true. iii. ReturnIfAbrupt(v). ---*/ var poisonedValue = Object.defineProperty({}, 'value', { get: function() { throw new Test262Error(); } }); var g = {}; g[Symbol.iterator] = function() { return { next: function() { return poisonedValue; } }; }; async function* f([x] = g) { }; assert.throws(Test262Error, function() { f(); }); reportCompare(0, 0);