public void GeolocationCoordinate_should_return_correct_String_format()
{
var coord = new GeolocationCoordinate(null, null);
var coord2 = new GeolocationCoordinate(0.0, null);
var coord3 = new GeolocationCoordinate(null, 0.0);
var coord4 = new GeolocationCoordinate(1.0123456789, 2.0123456789);
Assert.AreEqual("", coord.ToString());
Assert.AreEqual("", coord2.ToString());
Assert.AreEqual("", coord3.ToString());
Assert.AreEqual("1.0123456789,2.0123456789", coord4.ToString());
}
