NSURLSession Background Sessions routinly hang in Test Targets

Originator:kcharwood
Number:rdar://28588583 Date Originated:03-Oct-2016 10:12 AM
Status:Open Resolved:
Product:iOS Product Version:10.0
Classification:Crash/Hang/Data Loss Reproducible:Sometimes
 
Summary:
When attempting to run unit tests for AFNetworking in Xcode 8 and iOS 10, and the test suite routinely crashes and hangs. Inspecting the stack trace, it points to a method inside [__NSURLBackgroundSession setupBackgroundSession] waiting on a semaphore.

Steps to Reproduce:
Check out `e035bdd` from the AFNetworking repository on Github. Run the unit tests on the iOS target. Should hang within 1-3 runs.

Expected Results:
No hang

Actual Results:
Hang

Comments


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