public void GetDirIndexTest()
{
Assert.AreEqual(0, DirUtils.GetDirIndex(Direction.SOUTH), "SOUTH did not produce 0");
Assert.AreEqual(1, DirUtils.GetDirIndex(Direction.NORTH), "NORTH did not produce 1");
Assert.AreEqual(2, DirUtils.GetDirIndex(Direction.EAST), "EAST did not produce 2");
Assert.AreEqual(3, DirUtils.GetDirIndex(Direction.WEST), "WEST did not produce 3");
}