X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-wcrtomb.c;h=a50817ffad5055c495bce15ffec67f3e1378de33;hb=bc2a3d7068f04e1da758a7c02cf19b132ae574cc;hp=4fe972b46e56f1e3323677172934980963e8c2d3;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/tests/test-wcrtomb.c b/tests/test-wcrtomb.c
index 4fe972b46..a50817ffa 100644
--- a/tests/test-wcrtomb.c
+++ b/tests/test-wcrtomb.c
@@ -1,5 +1,5 @@
 /* Test of conversion of wide character to multibyte character.
-   Copyright (C) 2008 Free Software Foundation, Inc.
+   Copyright (C) 2008-2011 Free Software Foundation, Inc.
 
    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
@@ -20,22 +20,14 @@
 
 #include <wchar.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (wcrtomb, size_t, (char *, wchar_t, mbstate_t *));
+
 #include <locale.h>
-#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#define ASSERT(expr) \
-  do                                                                         \
-    {                                                                        \
-      if (!(expr))                                                           \
-        {                                                                    \
-          fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
-          fflush (stderr);                                                   \
-          abort ();                                                          \
-        }                                                                    \
-    }                                                                        \
-  while (0)
+#include "macros.h"
 
 /* Check the multibyte character s[0..n-1].  */
 static void
@@ -113,6 +105,14 @@ main (int argc, char *argv[])
         }
   }
 
+  /* Test special calling convention, passing a NULL pointer.  */
+  {
+    ret = wcrtomb (NULL, '\0', NULL);
+    ASSERT (ret == 1);
+    ret = wcrtomb (NULL, btowc ('x'), NULL);
+    ASSERT (ret == 1);
+  }
+
   if (argc > 1)
     switch (argv[1][0])
       {