(* Lightweight thread library for Objective Caml * http://www.ocsigen.org/lwt * Module Test_lwt_io * Copyright (C) 2010 Pierre Chambart * * This program 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, with linking exceptions; * either version 2.1 of the License, or (at your option) any later * version. See COPYING file for details. * * This program 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 program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. *) open Lwt open Lwt_io open Test let test_file = "Lwt_io_test" let file_contents = "test file content" let open_and_read_filename () = lwt in_chan = open_file ~mode:input test_file in lwt s = read in_chan in lwt () = close in_chan in assert (s = file_contents); return () let suite = suite "lwt_io non blocking io" [ test "create file" (fun () -> lwt out_chan = open_file ~mode:output test_file in lwt () = write out_chan file_contents in lwt () = close out_chan in return true); test "read file" (fun () -> lwt in_chan = open_file ~mode:input test_file in lwt s = read in_chan in lwt () = close in_chan in return (s = file_contents)); test "many read file" (fun () -> lwt () = for_lwt i = 0 to 10000 do try_lwt open_and_read_filename () with e -> lwt () = printf "\nstep %i\n" i in raise_lwt e done in return true); test "remove file" (fun () -> Unix.unlink test_file; return true); ]