new file mode 100644
--- /dev/null
+++ b/tests/test-crc.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2005 Free Software Foundation
+ *
+ * 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
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.  */
+
+/* Written by Simon Josefsson.  */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "crc.h"
+
+#include <stdio.h>
+
+int
+main (int argc, char *argv[])
+{
+  uint32_t p;
+
+  p = crc32_update_no_xor (42, "foo", 3);
+  if (p != 0x46e87f05)
+    {
+      printf ("cunx got %lx\n", p);
+      return 1;
+    }
+
+  p = crc32_no_xor ("foo", 3);
+  if (p != 0x7332bc33)
+    {
+      printf ("cnx got %lx\n", p);
+      return 1;
+    }
+
+  p = crc32_update (42, "foo", 3);
+  if (p != 0x8c736521)
+    {
+      printf ("cu got %lx\n", p);
+      return 1;
+    }
+
+  p = crc32 ("foo", 3);
+  if (p != 0x8c736521)
+    {
+      printf ("c got %lx\n", p);
+      return 1;
+    }
+
+  return 0;
+}