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(*
* ExtLib Testing Suite
* Copyright (C) 2004 Janne Hellsten
*
* 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 2.1 of the License, or (at your option) any later version,
* with the special exception on linking described in file LICENSE.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
let test_simple () =
for i = 1 to 5 do
let rec make_lst accu n =
if n < i then make_lst (i::accu) (n+1)
else accu in
let lst = make_lst [] 0 in
let dlst = Dllist.of_list lst in
assert (List.length lst = Dllist.length dlst);
List.iter
(fun e ->
let dl_elem = Dllist.get dlst in
assert (e = dl_elem);
Dllist.remove dlst) lst;
done
(* Failure case reported by Christopher Wedman on extlib mailing list 2005/Feb/12. *)
let test_regression_1 () =
let lst = Dllist.create 1 in
ignore (Dllist.append lst 2);
ignore (Dllist.demote lst);
ignore (Dllist.length lst) (* <-- hangs here *)
(* Failure case reported by Christopher Wedman on extlib mailing list 2005/Feb/12. *)
let test_regression_2 () =
let lst = Dllist.create 1 in
ignore (Dllist.append lst 2);
ignore (Dllist.promote lst);
assert (Dllist.length lst = 2) (* returned 1, but should return 2 *)
let skip_both_ways () =
let lst = Dllist.create "left" in
ignore (Dllist.add lst "right");
let lm = Dllist.append lst "middle" in
assert (Dllist.get (Dllist.skip lm 1) = "right");
assert (Dllist.get (Dllist.skip lm (-1)) = "left") (* returned right *)
let register () =
Util.register "Dllist" [
"simple", test_simple;
"regression_1", test_regression_1;
"regression_2", test_regression_2;
"skip_both_ways", skip_both_ways;
]
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