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(* TEST
readonly_files = "myecho.ml"
* setup-ocamlc.byte-build-env
program = "${test_build_directory}/quotecommand.byte"
** ocamlc.byte
program = "${test_build_directory}/myecho.exe"
all_modules = "myecho.ml"
*** ocamlc.byte
program = "${test_build_directory}/quotecommand.byte"
all_modules= "quotecommand.ml"
**** check-ocamlc.byte-output
***** run
****** check-program-output
* setup-ocamlopt.byte-build-env
program = "${test_build_directory}/quotecommand.opt"
** ocamlopt.byte
program = "${test_build_directory}/myecho.exe"
all_modules = "myecho.ml"
*** ocamlopt.byte
program = "${test_build_directory}/quotecommand.opt"
all_modules= "quotecommand.ml"
**** check-ocamlopt.byte-output
***** run
****** check-program-output
*)
open Printf
let copy_channels ic oc =
let sz = 1024 in
let buf = Bytes.create sz in
let rec copy () =
let n = input ic buf 0 sz in
if n > 0 then (output oc buf 0 n; copy()) in
copy()
let copy_file src dst =
let ic = open_in_bin src in
let oc = open_out_gen [Open_wronly; Open_creat; Open_trunc; Open_binary]
0o777 dst in
copy_channels ic oc;
close_in ic;
close_out oc
let cat_file f =
let ic = open_in f in
copy_channels ic stdout;
close_in ic
let myecho =
Filename.concat Filename.current_dir_name "my echo.exe"
let run ?stdin ?stdout ?stderr args =
flush Stdlib.stdout;
let rc =
Sys.command (Filename.quote_command myecho ?stdin ?stdout ?stderr args) in
if rc > 0 then begin
printf "!!! my echo failed\n";
exit 2
end
let _ =
copy_file "myecho.exe" "my echo.exe";
printf "-------- Spaces\n";
run ["Lorem ipsum dolor"; "sit amet,"; "consectetur adipiscing elit,"];
printf "-------- All ASCII characters\n";
run ["!\"#$%&'()*+,-./";
"0123456789";
":;<=>?@";
"ABCDEFGHIJKLMNOPQRSTUVWXYZ";
"[\\]^_`";
"abcdefghijklmnopqrstuvwxyz";
"{~|~}"
];
printf "-------- Output redirection\n";
run ~stdout:"my 'file'.tmp" ["sed do eiusmod tempor incididunt";
"ut labore et dolore magna aliqua."];
printf "-------- Input redirection\n";
run ~stdin:"my 'file'.tmp" [];
Sys.remove "my 'file'.tmp";
printf "-------- Error redirection\n";
run ~stderr:"my 'file'.tmp"
["Exceptur sint"; "-err"; "occaecat"; "cupidatat";
"-out"; "non proident"; "-err"; "sunt in culpa"];
printf "-- stderr:\n";
cat_file "my 'file'.tmp";
Sys.remove "my 'file'.tmp";
printf "-------- Output and error redirections (different files)\n";
run ~stdout:"my stdout.tmp" ~stderr:"my stderr.tmp"
["qui officia"; "-err"; "deserunt"; "mollit";
"-out"; "anim id est"; "-err"; "laborum."];
printf "-- stdout:\n"; cat_file "my stdout.tmp"; Sys.remove "my stdout.tmp";
printf "-- stderr:\n"; cat_file "my stderr.tmp"; Sys.remove "my stderr.tmp";
printf "-------- Output and error redirections (same file)\n";
run ~stdout:"my file.tmp" ~stderr:"my file.tmp"
["Duis aute"; "irure dolor"; "-err"; "in reprehenderit";
"in voluptate"; "-out"; "velit esse cillum"; "-err"; "dolore"];
cat_file "my file.tmp"; Sys.remove "my file.tmp";
Sys.remove "my echo.exe"
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