public void ijkToIj_zero()
{
CoordIJK ijk = new CoordIJK();
LocalIJ.CoordIJ ij = new LocalIJ.CoordIJ();
CoordIJK.ijkToIj(ijk, ref ij);
Assert.True(ij.i == 0, "ij.i zero");
Assert.True(ij.j == 0, "ij.j zero");
CoordIJK.ijToIjk(ij, ref ijk);
Assert.True(ijk.i == 0, "ijk.i zero");
Assert.True(ijk.j == 0, "ijk.j zero");
Assert.True(ijk.k == 0, "ijk.k zero");
}
public void ijkToIj_roundtrip()
{
for (Direction dir = Direction.CENTER_DIGIT; dir < Direction.NUM_DIGITS; dir++)
{
CoordIJK ijk = new CoordIJK();
CoordIJK._neighbor(ref ijk, dir);
LocalIJ.CoordIJ ij = new LocalIJ.CoordIJ();
CoordIJK.ijkToIj(ijk, ref ij);
CoordIJK recovered = new CoordIJK();
CoordIJK.ijToIjk(ij, ref recovered);
Assert.True(CoordIJK._ijkMatches(ijk, recovered) != 0,
"got same ijk coordinates back");
}
}
public void ijkDistance()
{
CoordIJK z = new CoordIJK(0, 0, 0);
CoordIJK i = new CoordIJK(1, 0, 0);
CoordIJK ik = new CoordIJK(1, 0, 1);
CoordIJK ij = new CoordIJK(1, 1, 0);
CoordIJK j2 = new CoordIJK(0, 2, 0);
Assert.True(CoordIJK.ijkDistance(z, z) == 0, "identity distance 0,0,0");
Assert.True(CoordIJK.ijkDistance(i, i) == 0, "identity distance 1,0,0");
Assert.True(CoordIJK.ijkDistance(ik, ik) == 0, "identity distance 1,0,1");
Assert.True(CoordIJK.ijkDistance(ij, ij) == 0, "identity distance 1,1,0");
Assert.True(CoordIJK.ijkDistance(j2, j2) == 0, "identity distance 0,2,0");
Assert.True(CoordIJK.ijkDistance(z, i) == 1, "0,0,0 to 1,0,0");
Assert.True(CoordIJK.ijkDistance(z, j2) == 2, "0,0,0 to 0,2,0");
Assert.True(CoordIJK.ijkDistance(z, ik) == 1, "0,0,0 to 1,0,1");
Assert.True(CoordIJK.ijkDistance(i, ik) == 1, "1,0,0 to 1,0,1");
Assert.True(CoordIJK.ijkDistance(ik, j2) == 3, "1,0,1 to 0,2,0");
Assert.True(CoordIJK.ijkDistance(ij, ik) == 2, "1,0,1 to 1,1,0");
}
