(* test/callback.sml sestoft@dina.kvl.dk 1999-08-09 *) use "auxil.sml"; load "Callback"; local open Callback in val test1a = check' (fn _ => (register "mkstr" makestring; isRegistered "mkstr")); val test1b = (register "mkstr" abs; "WRONG") handle Fail _ => "OK" | _ => "WRONG"; val test1c = check' (fn _ => (unregister "mkstr"; not (isRegistered "mkstr"))); val test1d = check' (fn _ => (unregister "mkstr"; register "mkstr" abs; isRegistered "mkstr")); val test2a = check' (fn _ => isRegistered "Callback.register" andalso isRegistered "Callback.unregister") val test3a = (getcptr "foo"; "WRONG") handle Fail _ => "OK" | _ => "WRONG"; end