public void OnTrackBlockClickedTest()
{
MainScreen_Accessor target = new MainScreen_Accessor();
TrackBlock b = new TrackBlock();
target.OnTrackBlockClicked(b);
Assert.AreEqual(b, target.m_selectedTrackBlock);
Assert.IsNull(target.m_selectedTrain);
Assert.IsNotNull(target.m_simulatorWindow);
Assert.AreEqual(0, target.m_openPopups.Count);
}