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Reject promise with broken promise in AsyncGenerator.prototype.return

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Signed-off-by: Seonghyun Kim <sh8281.kim@samsung.com>
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Seonghyun Kim 2025-12-24 12:44:29 +09:00 • committed by Patrick Kim
commit b66f1f6678
2 changed files with 20 additions and 17 deletions
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35
src/runtime/AsyncGeneratorObject.cpp
View file

@ -158,21 +158,26 @@ Value AsyncGeneratorObject::asyncGeneratorResumeNext(ExecutionState& state, Asyn
// Set generator.[[AsyncGeneratorState]] to "awaiting-return".
generator->m_asyncGeneratorState = AsyncGeneratorObject::AwaitingReturn;
// Let promise be ? PromiseResolve(%Promise%, « completion.[[Value]] »).
auto promise = PromiseObject::promiseResolve(state, state.context()->globalObject()->promise(), next.m_value)->asPromiseObject();
// Let stepsFulfilled be the algorithm steps defined in AsyncGeneratorResumeNext Return Processor Fulfilled Functions.
// Let onFulfilled be CreateBuiltinFunction(stepsFulfilled, « [[Generator]] »).
// Set onFulfilled.[[Generator]] to generator.
ExtendedNativeFunctionObject* onFulfilled = new ExtendedNativeFunctionObjectImpl<1>(state, NativeFunctionInfo(AtomicString(), asyncGeneratorResumeNextReturnProcessorFulfilledFunction, 1));
onFulfilled->setInternalSlot(AsyncGeneratorObject::BuiltinFunctionSlot::Generator, generator);
// Let stepsRejected be the algorithm steps defined in AsyncGeneratorResumeNext Return Processor Rejected Functions.
// Let onRejected be CreateBuiltinFunction(stepsRejected, « [[Generator]] »).
// Set onRejected.[[Generator]] to generator.
ExtendedNativeFunctionObject* onRejected = new ExtendedNativeFunctionObjectImpl<1>(state, NativeFunctionInfo(AtomicString(), asyncGeneratorResumeNextReturnProcessorRejectedFunction, 1));
onRejected->setInternalSlot(AsyncGeneratorObject::BuiltinFunctionSlot::Generator, generator);
// Perform ! PerformPromiseThen(promise, onFulfilled, onRejected).
promise->then(state, onFulfilled, onRejected);
// Return undefined.
return Value();
try {
auto promise = PromiseObject::promiseResolve(state, state.context()->globalObject()->promise(), next.m_value)->asPromiseObject();
// Let stepsFulfilled be the algorithm steps defined in AsyncGeneratorResumeNext Return Processor Fulfilled Functions.
// Let onFulfilled be CreateBuiltinFunction(stepsFulfilled, « [[Generator]] »).
// Set onFulfilled.[[Generator]] to generator.
ExtendedNativeFunctionObject* onFulfilled = new ExtendedNativeFunctionObjectImpl<1>(state, NativeFunctionInfo(AtomicString(), asyncGeneratorResumeNextReturnProcessorFulfilledFunction, 1));
onFulfilled->setInternalSlot(AsyncGeneratorObject::BuiltinFunctionSlot::Generator, generator);
// Let stepsRejected be the algorithm steps defined in AsyncGeneratorResumeNext Return Processor Rejected Functions.
// Let onRejected be CreateBuiltinFunction(stepsRejected, « [[Generator]] »).
// Set onRejected.[[Generator]] to generator.
ExtendedNativeFunctionObject* onRejected = new ExtendedNativeFunctionObjectImpl<1>(state, NativeFunctionInfo(AtomicString(), asyncGeneratorResumeNextReturnProcessorRejectedFunction, 1));
onRejected->setInternalSlot(AsyncGeneratorObject::BuiltinFunctionSlot::Generator, generator);
// Perform ! PerformPromiseThen(promise, onFulfilled, onRejected).
promise->then(state, onFulfilled, onRejected);
// Return undefined.
return Value();
} catch (const Value& error) {
AsyncGeneratorObject::asyncGeneratorReject(state, generator, error);
return Value();
}
} else {
// Assert: completion.[[Type]] is throw.
// Perform ! AsyncGeneratorReject(generator, completion.[[Value]]).

2
tools/test/test262/excludelist.orig.xml
View file

@ -29,8 +29,6 @@
<test id="built-ins/ArrayBuffer/prototype/resize/this-is-immutable-arraybuffer-object"><reason>TODO</reason></test>
<test id="built-ins/ArrayBuffer/prototype/transfer/this-is-immutable-arraybuffer"><reason>TODO</reason></test>
<test id="built-ins/ArrayBuffer/prototype/transferToFixedLength/this-is-immutable-arraybuffer"><reason>TODO</reason></test>
<test id="built-ins/AsyncGeneratorPrototype/return/return-state-completed-broken-promise"><reason>TODO</reason></test>
<test id="built-ins/AsyncGeneratorPrototype/return/return-suspendedStart-broken-promise"><reason>TODO</reason></test>
<test id="built-ins/DataView/custom-proto-access-resizes-buffer-invalid-by-length"><reason>TODO</reason></test>
<test id="built-ins/DataView/custom-proto-access-resizes-buffer-invalid-by-offset"><reason>TODO</reason></test>
<test id="built-ins/DataView/custom-proto-access-resizes-buffer-valid-by-offset"><reason>TODO</reason></test>