X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-strsignal.c;h=8d68228d105ca2ee29ce49f51cb81aa308cba74d;hb=5191b3546cfb6c163228c23f214e325ddf60d46f;hp=16544f209debb091d1479777dd39fccff37ada35;hpb=ec1d2ed4fd41d9ff10d11a7a8784293163fb558d;p=gnulib.git

diff --git a/tests/test-strsignal.c b/tests/test-strsignal.c
index 16544f209..8d68228d1 100644
--- a/tests/test-strsignal.c
+++ b/tests/test-strsignal.c
@@ -1,5 +1,5 @@
 /* Test of strsignal() function.
-   Copyright (C) 2008 Free Software Foundation, Inc.
+   Copyright (C) 2008-2013 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
@@ -12,28 +12,20 @@
    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.  */
+   along with this program; if not, see <http://www.gnu.org/licenses/>.  */
 
 /* Written by Colin Watson <cjwatson@debian.org>, 2008.  */
 
 #include <config.h>
 
-#include <signal.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__); \
-          abort ();							     \
-        }								     \
-    }									     \
-  while (0)
+#include "signature.h"
+SIGNATURE_CHECK (strsignal, char *, (int));
+
+#include <signal.h>
+
+#include "macros.h"
 
 #if HAVE_DECL_SYS_SIGLIST
 # define ASSERT_DESCRIPTION(got, expect)
@@ -43,9 +35,13 @@
 #endif
 
 int
-main (int argc, char **argv)
+main (void)
 {
-  char *str;
+  /* Work around bug in cygwin 1.5.25 <string.h> by declaring str as
+     const char *, even though strsignal is supposed to return char *.
+     At any rate, this doesn't hurt, since POSIX 200x states that "The
+     string pointed to shall not be modified by the application."  */
+  const char *str;
 
   /* We try a couple of signals, since not all signals are supported
      everywhere.  Notwithstanding the #ifdef for neatness, SIGINT should in
@@ -65,5 +61,17 @@ main (int argc, char **argv)
   ASSERT_DESCRIPTION (str, "Interrupt");
 #endif
 
+  /* Test that for out-of-range signal numbers the result is usable.  */
+
+  str = strsignal (-1);
+  ASSERT (str);
+  ASSERT (str != (char *) -1);
+  ASSERT (strlen (str));
+
+  str = strsignal (9249234);
+  ASSERT (str);
+  ASSERT (str != (char *) -1);
+  ASSERT (strlen (str));
+
   return 0;
 }