diff -r ed1b6b8c36e5 -r 0b727d1a8184 main_testing4/knight_test2.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main_testing4/knight_test2.scala	Mon Nov 02 02:31:44 2020 +0000
@@ -0,0 +1,11 @@
+
+import CW9a._
+
+assert(legal_moves(8, Nil, (2,2)) == List((3,4), (4,3), (4,1), (3,0), (1,0), (0,1), (0,3), (1,4)))
+assert(legal_moves(8, Nil, (7,7)) == List((6,5), (5,6)))
+assert(legal_moves(8, List((4,1), (1,0)), (2,2)) == List((3,4), (4,3), (3,0), (0,1), (0,3), (1,4)))
+assert(legal_moves(8, List((6,6)), (7,7)) == List((6,5), (5,6)))
+assert(legal_moves(1, Nil, (0,0)) == List())
+assert(legal_moves(2, Nil, (0,0)) == List())
+assert(legal_moves(3, Nil, (0,0)) == List((1,2), (2,1)))
+