public void SuppressFinalize_Call_Dispose()
 {
     using (var unmanagedHandler = new UnmanagedHandler())
     {
         unmanagedHandler.WriteToFile(HelloWorld);
         unmanagedHandler.ReadFile();
     }
 }
 public void Call_Finalizer_UnmanagedHandler()
 {
     var unmanagedHandler = new UnmanagedHandler();
     unmanagedHandler.WriteToFile(HelloWorld);
     unmanagedHandler.ReadFile();
 }