1*cc02d7e2SAndroid Build Coastguard WorkerThis app can be used to manually test gRPC under changing network conditions. 2*cc02d7e2SAndroid Build Coastguard Worker 3*cc02d7e2SAndroid Build Coastguard WorkerIt makes RPCs in a loop, logging when the request is sent and the response is received. 4*cc02d7e2SAndroid Build Coastguard Worker 5*cc02d7e2SAndroid Build Coastguard WorkerTo test on the simulator, run `pod install`, open the workspace created by Cocoapods, and run the 6*cc02d7e2SAndroid Build Coastguard Workerapp on an iOS device. Once running, tap a few times of each of the two buttons to make a few unary and streaming 7*cc02d7e2SAndroid Build Coastguard Workercalls. Then disable/enable different network interfaces (WiFi, cellular) on your device. 8*cc02d7e2SAndroid Build Coastguard Worker 9*cc02d7e2SAndroid Build Coastguard WorkerThe expected behavior is that the pending streaming calls fails immediately with error UNAVAILABLE. 10*cc02d7e2SAndroid Build Coastguard WorkerMoreover, when network comes back, new calls have the same behavior. 11*cc02d7e2SAndroid Build Coastguard Worker 12*cc02d7e2SAndroid Build Coastguard Worker``` 13*cc02d7e2SAndroid Build Coastguard Worker2016-06-29 16:51:29.443 ConnectivityTestingApp[73129:3567949] Sending request. 14*cc02d7e2SAndroid Build Coastguard Worker``` 15