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|
(* hey emacs, this is OCaml code: -*- tuareg -*- *)
(* libnbd OCaml test case
* Copyright Red Hat
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*)
(* Catch debug messages so we know when the handle was really closed. *)
let messages = ref []
let f context msg =
messages := msg :: !messages;
0
let () =
(* Open the handle and then explicitly close it. *)
let nbd = NBD.create () in
NBD.set_debug nbd true;
NBD.set_debug_callback nbd f;
NBD.close nbd;
(* Check the messages so we know the handle was closed. *)
let closing_handle = (=) "closing handle" in
assert (List.length (List.filter closing_handle !messages) = 1);
(* Check that an exception is raised if we use any method on the handle. *)
(try NBD.set_export_name nbd "test"
with NBD.Closed _ -> (* expected *) ()
| exn -> failwith ("unexpected exception: " ^ Printexc.to_string exn)
);
(try NBD.close nbd
with NBD.Closed _ -> (* expected *) ()
| exn -> failwith ("unexpected exception: " ^ Printexc.to_string exn)
);
Gc.full_major ();
(* Check the messages so we know the handle was closed. *)
assert (List.length (List.filter closing_handle !messages) = 1)
let () = Gc.compact ()
|
