X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-snprintf.c;h=2b5a54c4af183953e3a2e97b7273a4edb8714ce8;hb=09001dfb3ec39d237f8e248ff347cf1be3e6f0c1;hp=6f1e34ceca4204da895ea272b617f661bab0b5d3;hpb=89ae4589dd58d12e7cbcf0e92c1d828c1e430f97;p=gnulib.git

diff --git a/tests/test-snprintf.c b/tests/test-snprintf.c
index 6f1e34cec..2b5a54c4a 100644
--- a/tests/test-snprintf.c
+++ b/tests/test-snprintf.c
@@ -1,5 +1,5 @@
 /* Test of snprintf() function.
-   Copyright (C) 2007-2009 Free Software Foundation, Inc.
+   Copyright (C) 2007-2011 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
@@ -23,20 +23,9 @@
 #include "signature.h"
 SIGNATURE_CHECK (snprintf, int, (char *, size_t, char const *, ...));
 
-#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[])
@@ -45,15 +34,16 @@ main (int argc, char *argv[])
   int size;
   int retval;
 
+  retval = snprintf (NULL, 0, "%d", 12345);
+  ASSERT (retval == 5);
+
   for (size = 0; size <= 8; size++)
     {
       memcpy (buf, "DEADBEEF", 8);
       retval = snprintf (buf, size, "%d", 12345);
+      ASSERT (retval == 5);
       if (size < 6)
         {
-#if CHECK_SNPRINTF_POSIX
-          ASSERT (retval < 0 || retval >= size);
-#endif
           if (size > 0)
             {
               ASSERT (memcmp (buf, "12345", size - 1) == 0);
@@ -66,10 +56,17 @@ main (int argc, char *argv[])
         }
       else
         {
-          ASSERT (retval == 5);
           ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
         }
     }
 
+  /* Test the support of the POSIX/XSI format strings with positions.  */
+  {
+    char result[100];
+    retval = snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
+    ASSERT (strcmp (result, "55 33") == 0);
+    ASSERT (retval == strlen (result));
+  }
+
   return 0;
 }