X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=tests%2Ftest-strerror.c;h=6d5db0f5288b3205830a9ebbd26a9a8f7005d8ed;hb=533101a268dc5015a140ff4695d8eeb04fbe57b6;hp=99c3c5f5f468ed4be101a10541b927833deb30b6;hpb=987e5651e8d1c5aa933c9ce88562806af4093702;p=gnulib.git
diff --git a/tests/test-strerror.c b/tests/test-strerror.c
index 99c3c5f5f..6d5db0f52 100644
--- a/tests/test-strerror.c
+++ b/tests/test-strerror.c
@@ -1,5 +1,5 @@
/* Test of strerror() function.
- Copyright (C) 2007-2009 Free Software Foundation, Inc.
+ Copyright (C) 2007-2013 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
@@ -12,8 +12,7 @@
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 . */
/* Written by Eric Blake , 2007. */
@@ -33,25 +32,44 @@ main (void)
{
char *str;
+ errno = 0;
str = strerror (EACCES);
ASSERT (str);
ASSERT (*str);
+ ASSERT (errno == 0);
+ errno = 0;
str = strerror (ETIMEDOUT);
ASSERT (str);
ASSERT (*str);
+ ASSERT (errno == 0);
+ errno = 0;
str = strerror (EOVERFLOW);
ASSERT (str);
ASSERT (*str);
+ ASSERT (errno == 0);
+ /* POSIX requires strerror (0) to succeed. Reject use of "Unknown
+ error", but allow "Success", "No error", or even Solaris' "Error
+ 0" which are distinct patterns from true out-of-range strings.
+ http://austingroupbugs.net/view.php?id=382 */
+ errno = 0;
str = strerror (0);
ASSERT (str);
ASSERT (*str);
-
+ ASSERT (errno == 0);
+ ASSERT (strstr (str, "nknown") == NULL);
+ ASSERT (strstr (str, "ndefined") == NULL);
+
+ /* POSIX requires strerror to produce a non-NULL result for all
+ inputs; as an extension, we also guarantee a non-empty result.
+ Reporting EINVAL is optional. */
+ errno = 0;
str = strerror (-3);
ASSERT (str);
ASSERT (*str);
+ ASSERT (errno == 0 || errno == EINVAL);
return 0;
}