(* Lightweight thread library for Objective Caml * http://www.ocsigen.org/lwt * Module Test_lwt_io * Copyright (C) 2009 Jérémie Dimino * * 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 suite = suite "lwt_io" [ test "auto-flush" (fun () -> let sent = ref [] in let oc = Lwt_io.make ~mode:output (fun buf ofs len -> let str = String.create len in Lwt_bytes.blit_bytes_string buf ofs str 0 len; sent := str :: !sent; return len) in lwt () = write oc "foo" in lwt () = write oc "bar" in if !sent <> [] then return false else lwt () = Lwt_unix.yield () in return (!sent = ["foobar"])); test "auto-flush in atomic" (fun () -> let sent = ref [] in let oc = make ~mode:output (fun buf ofs len -> let str = String.create len in Lwt_bytes.blit_bytes_string buf ofs str 0 len; sent := str :: !sent; return len) in atomic (fun oc -> lwt () = write oc "foo" in lwt () = write oc "bar" in if !sent <> [] then return false else lwt () = Lwt_unix.yield () in return (!sent = ["foobar"])) oc); ]