Use value_string for ctrl_type
Use value_string for enum ctrl_type instead of custom code. Add
corresponding unit tests.
Related: OS#1615
Change-Id: Icd4e96dd9f00876cb70b43cfcf42ab4f10311b28
diff --git a/tests/ctrl/ctrl_test.ok b/tests/ctrl/ctrl_test.ok
new file mode 100644
index 0000000..c4b05e9
--- /dev/null
+++ b/tests/ctrl/ctrl_test.ok
@@ -0,0 +1,9 @@
+Checking ctrl types...
+ctrl type 0 is unknown 0x0 [PARSE FAILED]
+ctrl type 1 is GET -> 1 OK
+ctrl type 2 is SET -> 2 OK
+ctrl type 3 is GET_REPLY -> 3 OK
+ctrl type 4 is SET_REPLY -> 4 OK
+ctrl type 5 is TRAP -> 5 OK
+ctrl type 6 is ERROR -> 6 OK
+ctrl type 64 is unknown 0x40 [PARSE FAILED]