public void TestDistanceInMeters()
{
var positionOne = new Position(51.39082462, 6.050752777);
var positionTwo = new Position(51.3904837, 6.04767631);
Assert.AreEqual(GeoHelper.DistanceInMeters(positionOne.Latitude, positionOne.Longitude,
positionTwo.Latitude, positionTwo.Longitude), 216.8);
Assert.AreEqual(GeoHelper.DistanceInMeters(positionTwo.Latitude, positionTwo.Longitude,
positionOne.Latitude, positionOne.Longitude), 216.8);
Assert.AreEqual(GeoHelper.DistanceInMeters(positionOne.Latitude, positionOne.Longitude,
positionTwo.Latitude, positionTwo.Longitude),
GeoHelper.DistanceInMeters(positionTwo.Latitude, positionTwo.Longitude,
positionOne.Latitude, positionOne.Longitude));
}