public void WGS84ToGCJ02Test()
        {
            LatLngPoint _gcj02PointExpected = new LatLngPoint()
            {
                LatY = 34.119651841940737,
                LonX = 115.21780492356538
            };
            LatLngPoint _gcj02PointActual = WGSGCJLatLonHelper.WGS84ToGCJ02(new LatLngPoint()
            {
                LonX = 115.21212,
                LatY = 34.121
            });
            bool _expected = true;
            bool _actual   = ModelHelper.CompletelyEqual(_gcj02PointExpected, _gcj02PointActual);

            Assert.AreEqual(_expected, _actual);
        }