// [TestMethod] public void LatLonToWgs84() { const double lat = 47.950967; const double lon = -122.197045; var actual = new LatLng(lat, lon, 10, OSGB36Datum.Instance); actual.ToWgs84(); var expected = new LatLng(47.99999993, -122.000001509); Assert.AreEqual(expected, actual); }