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Issue #1725 - Fix logic in PerformPromiseAllSettled.

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This function essentially appears to work as written, there was an issue with it returning false too early in some situations that prevented it from working properly.
This commit is contained in:
Jeremy Andrews 2021-07-15 03:08:11 -05:00 • committed by roytam1
commit 495db8d7bc
1 changed files with 31 additions and 28 deletions
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55
js/src/builtin/Promise.cpp
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@ -1963,40 +1963,43 @@ PerformPromiseAllSettled(JSContext *cx, JS::ForOfIterator& iterator, HandleObjec
RootedValue nextPromise(cx);
RootedValue staticResolve(cx);
if (!GetProperty(cx, CVal, cx->names().resolve, &staticResolve))
return false;
RootedValue staticReject(cx);
if (!GetProperty(cx, CVal, cx->names().reject, &staticReject))
RootedValue staticReject(cx);
// Because Promise.allSettled can continue whether the promise is fulfilled or rejected, we
// should only return false if neither condition is true.
if (!GetProperty(cx, CVal, cx->names().resolve, &staticResolve) &&
!GetProperty(cx, CVal, cx->names().reject, &staticReject))
return false;
FixedInvokeArgs<1> resolveArgs(cx);
resolveArgs[0].set(nextValue);
if (!Call(cx, staticResolve, CVal, resolveArgs, &nextPromise))
return false;
FixedInvokeArgs<1> rejectArgs(cx);
rejectArgs[0].set(nextValue);
if (!Call(cx, staticReject, CVal, rejectArgs, &nextPromise))
if (!Call(cx, staticResolve, CVal, resolveArgs, &nextPromise) &&
!Call(cx, staticReject, CVal, rejectArgs, &nextPromise))
return false;
RootedFunction resolveFunc(cx, NewNativeFunction(cx, PromiseAllSettledResolveElementFunction,
1, nullptr,
gc::AllocKind::FUNCTION_EXTENDED,
GenericObject));
if (!resolveFunc)
return false;
RootedFunction rejectFunc(cx, NewNativeFunction(cx, PromiseAllSettledRejectElementFunction,
1, nullptr,
gc::AllocKind::FUNCTION_EXTENDED,
GenericObject));
if (!rejectFunc)
return false;
resolveFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_Data, dataHolderVal);
resolveFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_ElementIndex,
Int32Value(index));
rejectFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_Data, dataHolderVal);
rejectFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_ElementIndex,
Int32Value(index));
RootedFunction resolveFunc(cx, NewNativeFunction(cx, PromiseAllSettledResolveElementFunction,
1, nullptr,
gc::AllocKind::FUNCTION_EXTENDED,
GenericObject));
RootedFunction rejectFunc(cx, NewNativeFunction(cx, PromiseAllSettledRejectElementFunction,
1, nullptr,
gc::AllocKind::FUNCTION_EXTENDED,
GenericObject));
if (!resolveFunc && !rejectFunc) {
return false;
}
resolveFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_Data, dataHolderVal);
resolveFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_ElementIndex,
Int32Value(index));
rejectFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_Data, dataHolderVal);
rejectFunc->setExtendedSlot(PromiseAllResolveElementFunctionSlot_ElementIndex,
Int32Value(index));
dataHolder->increaseRemainingCount();