(* Js_of_ocaml tests
 * http://www.ocsigen.org/js_of_ocaml/
 * Copyright (C) 2019 Hugo Heuzard
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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! Util

(* The expected generated code here matches OCaml >= 5. *)
[@@@if ocaml_version >= (5, 0, 0)]

let%expect_test "static eval of string get" =
  let program =
    compile_and_parse
      {|
      let lz = lazy ( List.map (fun x -> x * x) [8;9] )

      let rec do_the_lazy_rec n =
        if n = 0 then [] else (Lazy.force lz) :: do_the_lazy_rec (n-1)
      let _ = do_the_lazy_rec 8
  |}
  in
  print_fun_decl program (Some "do_the_lazy_rec");
  [%expect
    {|
    function do_the_lazy_rec(n){
     if(0 === n) return 0;
     var _b_ = do_the_lazy_rec(n - 1 | 0), _a_ = runtime.caml_obj_tag(lz);
     a:
     if(250 === _a_)
      _a_ = lz[1];
     else{
      if(246 !== _a_ && 244 !== _a_){_a_ = lz; break a;}
      _a_ = caml_call1(CamlinternalLazy[2], lz);
     }
     return [0, _a_, _b_];
    }
    //end
    |}]
