// |reftest| async // This file was procedurally generated from the following sources: // - src/async-generators/yield-star-next-then-get-abrupt.case // - src/async-generators/default/async-declaration.template /*--- description: Return abrupt after getting next().then (Async generator Function declaration) esid: prod-AsyncGeneratorDeclaration features: [Symbol.iterator, Symbol.asyncIterator, async-iteration] flags: [generated, async] info: | Async Generator Function Definitions AsyncGeneratorDeclaration: async [no LineTerminator here] function * BindingIdentifier ( FormalParameters ) { AsyncGeneratorBody } YieldExpression: yield * AssignmentExpression ... 6. Repeat a. If received.[[Type]] is normal, then ii. Let innerResult be ? Invoke(iterator, "next", « received.[[Value]] »). iii. If generatorKind is async, then set innerResult to ? Await(innerResult). ... Await ... 2. Let promiseCapability be ! NewPromiseCapability(%Promise%). 3. Perform ! Call(promiseCapability.[[Resolve]], undefined, « promise »). ... Promise Resolve Functions ... 8. Let then be Get(resolution, "then"). ... 10. Get thenAction be then.[[Value]]. ... 12. Perform EnqueueJob("PromiseJobs", PromiseResolveThenableJob, « promise, resolution, thenAction »). ... ---*/ var reason = {}; var obj = { get [Symbol.iterator]() { throw new Test262Error('it should not get Symbol.iterator'); }, [Symbol.asyncIterator]() { return { next() { return { get then() { throw reason; } }; } }; } }; var callCount = 0; async function *gen() { callCount += 1; yield* obj; throw new Test262Error('abrupt completion closes iter'); } var iter = gen(); iter.next().then(() => { throw new Test262Error('Promise incorrectly fulfilled.'); }, v => { assert.sameValue(v, reason, 'reject reason'); iter.next().then(({ done, value }) => { assert.sameValue(done, true, 'the iterator is completed'); assert.sameValue(value, undefined, 'value is undefined'); }).then($DONE, $DONE); }).catch($DONE); assert.sameValue(callCount, 1);