diff -r e87462c9b895 -r d29cd5883c7b pre_marking1/collatz_test1.scala
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pre_marking1/collatz_test1.scala	Fri Nov 27 00:55:24 2020 +0000
@@ -0,0 +1,8 @@
+
+
+assert(CW6a.collatz(1) == 0)
+assert(CW6a.collatz(6) == 8)
+assert(CW6a.collatz(9) == 19)
+assert(CW6a.collatz(9000) == 47)
+
+