public void DirectionEncodeTest()
{
/*
*
* eusftqx6 eusftqxd eusftqxf
* eusftqx3 eusftqx9 eusftqxc
* eusftqx2 eusftqx8 eusftqxb
*
*/
Assert.Equal("eusftqxd", GeoHash.GetAdjacent("eusftqx9", CardinalDirection.North));
Assert.Equal("eusftqx8", GeoHash.GetAdjacent("eusftqx9", CardinalDirection.South));
Assert.Equal("eusftqxc", GeoHash.GetAdjacent("eusftqx9", CardinalDirection.East));
Assert.Equal("eusftqx3", GeoHash.GetAdjacent("eusftqx9", CardinalDirection.West));
}
