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(* Js_of_ocaml compiler
* 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 Lesser General Public License as published by
* the Free Software Foundation, with linking exception;
* either version 2.1 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.
*)
let printl l = print_endline (String.concat ", " (List.map string_of_int l))
let%expect_test _ =
Scanf.sscanf "0.97.0" "%u.%u.%u" (fun major minor patch ->
printl [ major; minor; patch ]);
[%expect {| 0, 97, 0 |}];
(try
Scanf.sscanf "0.-97.0" "%u.%u.%u" (fun major minor patch ->
printl [ major; minor; patch ])
with Scanf.Scan_failure s -> print_endline s);
[%expect {| scanf: bad input at char number 2: character '-' is not a decimal digit |}];
Scanf.sscanf "0.-97.0" "%u.-%u.%u" (fun major minor patch ->
printl [ major; minor; patch ]);
[%expect {| 0, 97, 0 |}];
Scanf.sscanf "0.-97.0" "%d.%d.%d" (fun major minor patch ->
printl [ major; minor; patch ]);
[%expect {| 0, -97, 0 |}]
let%expect_test _ =
Printf.printf "%d\n" (int_of_string "0u123");
[%expect {| 123 |}];
Printf.printf "%d\n" (int_of_string "0U123");
[%expect {| 123 |}]
let%expect_test _ =
Printf.printf "%d\n" (int_of_string "-0u123");
[%expect {| -123 |}];
Printf.printf "%d\n" (int_of_string "-0U123");
[%expect {| -123 |}]
let%expect_test _ =
Printf.printf "%ld\n" (Int32.of_string "-0u2147483648");
[%expect {| -2147483648 |}];
Printf.printf "%ld\n" (Int32.of_string "-0U2147483648");
[%expect {| -2147483648 |}];
Printf.printf "%ld\n" (Int32.of_string "0u2147483648");
[%expect {| -2147483648 |}];
Printf.printf "%ld\n" (Int32.of_string "0U2147483648");
[%expect {| -2147483648 |}]
let%expect_test _ =
Printf.printf "%Ld\n" (Int64.of_string "-0u17965325103354776696");
[%expect {| 481418970354774920 |}];
Printf.printf "%Ld\n" (Int64.of_string "-0U17965325103354776696");
[%expect {| 481418970354774920 |}];
Printf.printf "%Ld\n" (Int64.of_string "0u17965325103354776696");
[%expect {| -481418970354774920 |}];
Printf.printf "%Ld\n" (Int64.of_string "0U17965325103354776696");
[%expect {| -481418970354774920 |}]
let%expect_test _ =
let check_fail x =
try Printf.printf "%Lx\n" (Int64.of_string x)
with Failure _ -> Format.printf "overflow\n"
in
Printf.printf "%Ld\n" (Int64.of_string "9223372036854775807");
[%expect {| 9223372036854775807 |}];
Printf.printf "%Ld\n" (Int64.of_string "-9223372036854775808");
[%expect {| -9223372036854775808 |}];
check_fail "9223372036854775808";
[%expect {| overflow |}];
check_fail "-9223372036854775809";
[%expect {| overflow |}]
|
