[Development] Why is QSignalSpy using Qt::DirectConnection?

[Roland Winklmeier]

>
> QSignalSpy::wait() isn't thread-safe because it's using QTestEventLoop
> instead
> of a regular QEventLoop. That former does use a timer and, unlike the
> latter,
> you can't stop the loop from outside the loop's own thread.
>

That was indeed the origin of the warnings. They appeared after introducing
lines with QSignalSpy::wait().
I suspected a bug in Qt, because my derived QObject did not start any
timers and was actually pretty empty. It has only 2 dummy methods which
trigger two different signals. I'll have a look QTestEventLoop then.
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