public void OnTrainAtStationTest_null()
{
Simulator_Accessor target = new Simulator_Accessor();
ITrainController train = new TrainControllerStub();
target.m_trainControllerList.Add(train);
string stationName = null;
target.OnTrainAtStation(null, stationName);
Assert.AreEqual(1, target.m_trainControllerList.Count);
}