Android - Robolectric - Unit testing request location updates (LocationManager)

Here is the android code to register for network, GPS and passive location updates on activity create

Android Code to test :

To test the above code,
1) First you need to create a mock location
2) Get the ShadowLocationManager using the robolectric's shadowOf method
3) This shadow Object has a method called 'simulateLocation' to mock a location update.
4) Now we can assert the actual value obtained by the listener with the expected value

Robolectric Test :