(*

 * ExtLib Testing Suite

 * Copyright (C) 2004 John Skaller 

 * 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

 *)

(* NOTE this is a copy of Skaller's trivial DynArray test.  Apparently

   he hit the nail on the head with a first try, since test_triv causes a

   segfault if you run Gc.major () after test_triv.  If you change the

   initial size of the DynArray to one or bigger, the crash does not

   occur. *)

open DynArray

let test_triv () =

  let a = make 0 in (* ZERO here causes a segfault later in GC??? *)

  let b = copy a in

  assert (length a == 0);

  assert (length b == 0);

  Gc.major ()

(* Failure reported by Jeff Henrikson.  Should be fixed in CVS

   already? JH 2005/Mar/01 *)

let test_regr_1 () = 

  for i = 0 to 30 do

    ignore (DynArray.of_array [||])

  done

(* Memory corruption in DynArray.insert; fixed. BD 2009/Jun/18. *)

let test_insert () =

  let d = ref (DynArray.create ()) and n = 4100 in

  for i = 0 to n do

    assert (i = DynArray.length !d);

    (* This is needed in order to expose the memory corruption. *)

    Printf.ifprintf stdout "%d %d\n" i (DynArray.length !d); flush stdout;

    DynArray.insert !d 0 (Array.create 42 "")

  done

(* Issue 2: Error in DynArray exponential resizer *)

let test_dynarray1 () =

  let a = DynArray.create () in

  for i = 1 to 2817131 do

    DynArray.add a i

  done

let test_dynarray2 () =

  let a = DynArray.make 2817131 in

  for i = 1 to 2817131 do

    DynArray.add a i

  done

let () = 

  Util.register "DynArray" [

    "triv", test_triv;

    "regr_1", test_regr_1;

    "insert", test_insert;

    "simple_1",test_dynarray1;

    "simple_2",test_dynarray2;

  ]