public void Neighbor()
{
var ijk = new CoordIjk();
var zero = new CoordIjk();
var i = new CoordIjk(1, 0, 0);
ijk = ijk.Neighbor(Direction.CENTER_DIGIT);
Assert.AreEqual(ijk, zero);
ijk = ijk.Neighbor(Direction.I_AXES_DIGIT);
Assert.AreEqual(ijk, i);
ijk = ijk.Neighbor(Direction.INVALID_DIGIT);
Assert.AreEqual(ijk, i);
}
public void IjkToIjRoundtrip()
{
for (Direction dir = Direction.CENTER_DIGIT; dir < Direction.NUM_DIGITS; dir++)
{
var ijk = new CoordIjk();
ijk = ijk.Neighbor(dir);
var ij = ijk.ToIj();
var recovered = ij.ToIjk();
Assert.AreEqual(ijk, recovered);
}
}