public void PrintDetails()
{
Location location = new Location("New York");
WeatherData wm = WeatherMap.Instance();
checked { wm.PrintDetails(); } // checks that function initialized
}
public void GetWeatherData()
{
Location location = new Location("New York");
WeatherMap wm = WeatherMap.Instance();
WeatherData wd = wm.GetWeatherData(location);
Assert.AreEqual(location.City, wd.Location.City);
}