X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-mbrtowc.c;h=727016a2cacf7dfdd3a0a8293207f12dd924394c;hb=ae0b8a21cc48db0d06413df85be4184f17de8d5f;hp=178e2106cc919a631ce6960ff957c121324819ea;hpb=441aa3044f43e5572f58c354f01e6bc070acd5c7;p=gnulib.git

diff --git a/tests/test-mbrtowc.c b/tests/test-mbrtowc.c
index 178e2106c..727016a2c 100644
--- a/tests/test-mbrtowc.c
+++ b/tests/test-mbrtowc.c
@@ -1,5 +1,5 @@
 /* Test of conversion of multibyte character to wide 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 +20,15 @@
 
 #include <wchar.h>
 
+#include "signature.h"
+SIGNATURE_CHECK (mbrtowc, size_t, (wchar_t *, char const *, size_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"
 
 int
 main (int argc, char *argv[])
@@ -150,6 +143,11 @@ main (int argc, char *argv[])
           ASSERT (mbsinit (&state));
           input[1] = '\0';
 
+          /* Test support of NULL first argument.  */
+          ret = mbrtowc (NULL, input + 2, 3, &state);
+          ASSERT (ret == 1);
+          ASSERT (mbsinit (&state));
+
           wc = (wchar_t) 0xBADFACE;
           ret = mbrtowc (&wc, input + 2, 3, &state);
           ASSERT (ret == 1);
@@ -199,6 +197,11 @@ main (int argc, char *argv[])
           ASSERT (mbsinit (&state));
           input[2] = '\0';
 
+          /* Test support of NULL first argument.  */
+          ret = mbrtowc (NULL, input + 3, 4, &state);
+          ASSERT (ret == 2);
+          ASSERT (mbsinit (&state));
+
           wc = (wchar_t) 0xBADFACE;
           ret = mbrtowc (&wc, input + 3, 4, &state);
           ASSERT (ret == 2);
@@ -257,6 +260,11 @@ main (int argc, char *argv[])
           ASSERT (mbsinit (&state));
           input[4] = '\0';
 
+          /* Test support of NULL first argument.  */
+          ret = mbrtowc (NULL, input + 5, 3, &state);
+          ASSERT (ret == 2);
+          ASSERT (mbsinit (&state));
+
           wc = (wchar_t) 0xBADFACE;
           ret = mbrtowc (&wc, input + 5, 3, &state);
           ASSERT (ret == 2);
@@ -300,6 +308,11 @@ main (int argc, char *argv[])
           ASSERT (mbsinit (&state));
           input[2] = '\0';
 
+          /* Test support of NULL first argument.  */
+          ret = mbrtowc (NULL, input + 3, 6, &state);
+          ASSERT (ret == 4);
+          ASSERT (mbsinit (&state));
+
           wc = (wchar_t) 0xBADFACE;
           ret = mbrtowc (&wc, input + 3, 6, &state);
           ASSERT (ret == 4);