1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
(* Simple offset test
* $Id: 60_simple_offset.ml 142 2008-07-17 15:45:56Z richard.wm.jones $
*)
open Printf
open Bitstring
let make_bits i n j m k = (
let pad1 = ones_bitstring (n-8) in
let pad2 = ones_bitstring (m-n-8) in
BITSTRING {
i : 8;
pad1 : n-8 : bitstring;
j : 8; (* this should be at offset(n) *)
pad2 : m-n-8 : bitstring;
k : 8 (* this should be at offset(m) *)
}
)
let test_bits bits i n j m k =
bitmatch bits with
| { i' : 8;
j' : 8 : offset(n);
k' : 8 : offset(m) } when i = i' && j = j' && k = k' -> () (* ok *)
| { _ } ->
failwith (sprintf "60_simple_offset: test_bits: failed %d %d %d %d %d"
i n j m k)
let () =
for n = 8 to 128 do
for m = n+8 to 256 do
List.iter (fun (i,j,k) -> test_bits (make_bits i n j m k) i n j m k)
[0x55, 0xaa, 0x33; 0x33, 0xaa, 0x55; 0x12, 0x34, 0x56]
done;
done
|
