Regression test for #381.

Regression test for #398.

Regression test for #398.

Regression test for #398.

Regression test for #272. Ensures that futures with partial callbacks are handled correctly when the root task cannot be determined.

Regression test for #323.

Regression test for #264. Ensures that to_thread.run_sync() does not raise an error when there is no root task, but instead tries to fin

Regression test for #357.

Regression test for #304.

Test that the thread pool shutdown callback does not raise an exception.

Test that the previous socket is removed before binding to the path.

Test that the task function gets to run until the first checkpoint when it's cancelled right after creation.

Test that a native asyncio cancellation will not cause a lock ownership to get lost between a release() and the resumption of acquire

Test that a native asyncio cancellation will not cause a semaphore ownership to get lost between a release() and the resumption of ac

Test that starting to_process.run_sync() in a cancelled scope does not cause a worker process to be reserved.

Test that CancelScope.cancel() is honored even if called before entering the scope.

Test that cancelling an operation on the worker process causes the process to be killed.

Test that cancelling a pending receive() operation does not cause an item in the stream to be lost.

Test that sending an item to a memory object stream when the receiver that is next in line has been cancelled will not result in the item bei

Test that if a task group is waiting for subtasks to finish and it receives a cancellation, the subtasks are also cancelled and the waiting c