Comprehensive test of fixed-size int construct & extract functions.

[ocaml-bitstring.git] / tests / 15_extract_int.ml

diff --git a/tests/15_extract_int.ml b/tests/15_extract_int.ml
new file mode 100644 (file)
index 0000000..7ba682e
--- /dev/null
+++ b/tests/15_extract_int.ml
@@ -0,0 +1,112 @@
+(* Test functions which construct and extract fixed-length ints
+ * of various sizes.
+ * $Id$
+ *)
+
+open Printf
+
+open Bitstring
+
+let () =
+  for i = 0 to 129 do
+    let zeroes = zeroes_bitstring i in
+    let bits = (
+      BITSTRING {
+       zeroes : i : bitstring;
+       true : 1;
+       2 : 2 : littleendian;
+       2 : 2 : bigendian;
+       2 : 2 : nativeendian;
+       3 : 3 : littleendian;
+       3 : 3 : bigendian;
+       3 : 3 : nativeendian;
+       0x5a : 8 : littleendian;
+       0x5a : 8 : bigendian;
+       0x5a : 8 : nativeendian;
+       0xa5a5 : 16 : littleendian;
+       0xa5a5 : 16 : bigendian;
+       0xa5a5 : 16 : nativeendian;
+       0xeeddcc : 24 : littleendian;
+       0xeeddcc : 24 : bigendian;
+       0xeeddcc : 24 : nativeendian;
+       0x48888888 : 31 : littleendian;
+       0x48888888 : 31 : bigendian;
+       0x48888888 : 31 : nativeendian;
+       0xaabbccdd_l : 32 : littleendian;
+       0xaabbccdd_l : 32 : bigendian;
+       0xaabbccdd_l : 32 : nativeendian;
+       0xaabbccddeeff_L : 48 : littleendian;
+       0xaabbccddeeff_L : 48 : bigendian;
+       0xaabbccddeeff_L : 48 : nativeendian;
+       0x0011aabbccddeeff_L : 64 : littleendian;
+       0x0011aabbccddeeff_L : 64 : bigendian;
+       0x0011aabbccddeeff_L : 64 : nativeendian
+      }
+    ) in
+    bitmatch bits with
+    | { _ : i : bitstring;
+       a : 1;
+       b0 : 2 : littleendian;
+       b1 : 2 : bigendian;
+       b2 : 2 : nativeendian;
+       c0 : 3 : littleendian;
+       c1 : 3 : bigendian;
+       c2 : 3 : nativeendian;
+       d0 : 8 : littleendian;
+       d1 : 8 : bigendian;
+       d2 : 8 : nativeendian;
+       e0 : 16 : littleendian;
+       e1 : 16 : bigendian;
+       e2 : 16 : nativeendian;
+       f0 : 24 : littleendian;
+       f1 : 24 : bigendian;
+       f2 : 24 : nativeendian;
+       g0 : 31 : littleendian;
+       g1 : 31 : bigendian;
+       g2 : 31 : nativeendian;
+       h0 : 32 : littleendian;
+       h1 : 32 : bigendian;
+       h2 : 32 : nativeendian;
+       j0 : 48 : littleendian;
+       j1 : 48 : bigendian;
+       j2 : 48 : nativeendian;
+       k0 : 64 : littleendian;
+       k1 : 64 : bigendian;
+       k2 : 64 : nativeendian
+      } ->
+       if a <> true
+         || b0 <> 2
+         || b1 <> 2
+         || b2 <> 2
+         || c0 <> 3
+         || c1 <> 3
+         || c2 <> 3
+         || d0 <> 0x5a
+         || d1 <> 0x5a
+         || d2 <> 0x5a
+         || e0 <> 0xa5a5
+         || e1 <> 0xa5a5
+         || e2 <> 0xa5a5
+         || f0 <> 0xeeddcc
+         || f1 <> 0xeeddcc
+         || f2 <> 0xeeddcc
+         || g0 <> 0x48888888
+         || g1 <> 0x48888888
+         || g2 <> 0x48888888
+         || h0 <> 0xaabbccdd_l
+         || h1 <> 0xaabbccdd_l
+         || h2 <> 0xaabbccdd_l
+         || j0 <> 0xaabbccddeeff_L
+         || j1 <> 0xaabbccddeeff_L
+         || j2 <> 0xaabbccddeeff_L
+         || k0 <> 0x0011aabbccddeeff_L
+         || k1 <> 0x0011aabbccddeeff_L
+         || k2 <> 0x0011aabbccddeeff_L
+       then (
+           eprintf "15_extract_int: match failed %b %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %ld %ld %ld %Ld %Ld %Ld %Ld %Ld %Ld\n"
+             a b0 b1 b2 c0 c1 c2 d0 d1 d2 e0 e1 e2 f0 f1 f2 g0 g1 g2 h0 h1 h2 j0 j1 j2 k0 k1 k2;
+           exit 1
+         )
+    | { _ } ->
+       failwith "15_extract_int"
+  done