X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/e7eb3a2744aa45179daea235800753d3d1955338..05b3f1f69c02a260bb8315dcedd60d35daf1875c:/libtests/t-hex.c

diff --git a/libtests/t-hex.c b/libtests/t-hex.c
index a6f1b32..d26c615 100644
--- a/libtests/t-hex.c
+++ b/libtests/t-hex.c
@@ -1,6 +1,6 @@
 /*
  * This file is part of DisOrder.
- * Copyright (C) 2005, 2007, 2008 Richard Kettlewell
+ * Copyright (C) 2005, 2007, 2008, 2010 Richard Kettlewell
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -52,12 +52,15 @@ static void test_hex(void) {
   check_string(hex(h, sizeof h), "00ff807f");
   check_string(hex(0, 0), "");
   u = unhex("00ff807f", &ul);
+  insist(u != 0);
   insist(ul == 4);
   insist(memcmp(u, h, 4) == 0);
   u = unhex("00FF807F", &ul);
+  insist(u != 0);
   insist(ul == 4);
   insist(memcmp(u, h, 4) == 0);
   u = unhex("", &ul);
+  insist(u != 0);
   insist(ul == 0);
   fprintf(stderr, "2 ERROR reports expected {\n");
   insist(unhex("F", 0) == 0);