diff -r eb188f9ac038 -r 9b45dd24271b testing3-bak/knight1b_test.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/testing3-bak/knight1b_test.scala	Fri Nov 16 02:06:03 2018 +0000
@@ -0,0 +1,11 @@
+
+assert(CW7a.legal_moves(8, Nil, (2,2)) == 
+             List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4)))
+assert(CW7a.legal_moves(8, Nil, (7,7)) == List((6,5), (5,6)))
+assert(CW7a.legal_moves(8, List((4,1), (1,0)), (2,2)) == 
+       List((3,4), (4,3), (3,0), (0,1), (0,3), (1,4)))
+assert(CW7a.legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6)))
+assert(CW7a.legal_moves(1, Nil, (0,0)) == List())
+assert(CW7a.legal_moves(2, Nil, (0,0)) == List())
+assert(CW7a.legal_moves(3, Nil, (0,0)) == List((1,2), (2,1)))
+