From: Richard W.M. Jones <rich@annexia.org>
Date: Wed, 27 Aug 2008 12:56:49 +0000 (+0000)
Subject: Comprehensive test of fixed-size int construct & extract functions.
X-Git-Url: http://git.annexia.org/?a=commitdiff_plain;h=52a7750b032a39c221e50817d71180a77009e18c;p=ocaml-bitstring.git

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

diff --git a/tests/15_extract_int.ml b/tests/15_extract_int.ml
new file mode 100644
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