// This file was procedurally generated from the following sources: // - src/dstr-binding/ary-ptrn-rest-id-iter-val-err.case // - src/dstr-binding/error/async-gen-func-decl.template /*--- description: Error forwarding when IteratorValue returns an abrupt completion (async generator function declaration) 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 BindingRestElement : ... BindingIdentifier 1. Let lhs be ResolveBinding(StringValue of BindingIdentifier, environment). 2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat, [...] c. Let nextValue be IteratorValue(next). d. If nextValue is an abrupt completion, set iteratorRecord.[[done]] to true. e. ReturnIfAbrupt(nextValue). ---*/ var poisonedValue = Object.defineProperty({}, 'value', { get: function() { throw new Test262Error(); } }); var iter = {}; iter[Symbol.iterator] = function() { return { next: function() { return poisonedValue; } }; }; async function* f([...x]) { }; assert.throws(Test262Error, function() { f(iter); }); reportCompare(0, 0);