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(* TEST *)
(* See https://github.com/ocaml/ocaml/issues/9460
This test comes from Richard Jones
at
https://github.com/libguestfs/libnbd/blob/0475bfe04a527051c0a37af59a733c4c8554e427/ocaml/tests/test_400_pread.ml#L21-L36
*)
let test_result =
let b = Bytes.create 16 in
for i = 0 to 16/8-1 do
let i64 = ref (Int64.of_int (i*8)) in
for j = 0 to 7 do
let c = Int64.shift_right_logical !i64 56 in
let c = Int64.to_int c in
let c = Char.chr c in
Bytes.unsafe_set b (i*8+j) c;
i64 := Int64.shift_left !i64 8
done
done;
(Bytes.to_string b) ;;
let expected =
"\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\008"
let () =
assert (test_result = expected)
(* Reproduction case by Jeremy Yallop in
https://github.com/ocaml/ocaml/pull/9463#issuecomment-615831765
*)
let () =
let x = ref Int64.max_int in
assert (!x = Int64.max_int)
let () =
print_endline "OK"
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