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-rw-r--r--gl/tests/test-perror2.c136
1 files changed, 0 insertions, 136 deletions
diff --git a/gl/tests/test-perror2.c b/gl/tests/test-perror2.c
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index 7e98126481..0000000000
--- a/gl/tests/test-perror2.c
+++ /dev/null
@@ -1,136 +0,0 @@
-/* Test of perror() function.
- Copyright (C) 2011-2014 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
- the Free Software Foundation; either version 3, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include <stdio.h>
-
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
-
-/* This test intentionally parses stderr. So, we arrange to have fd 10
- (outside the range of interesting fd's during the test) set up to
- duplicate the original stderr. */
-#define BACKUP_STDERR_FILENO 10
-#define ASSERT_STREAM myerr
-#include "macros.h"
-
-static FILE *myerr;
-
-#define BASE "test-perror2"
-
-int
-main (void)
-{
- /* We change fd 2 later, so save it in fd 10. */
- if (dup2 (STDERR_FILENO, BACKUP_STDERR_FILENO) != BACKUP_STDERR_FILENO
- || (myerr = fdopen (BACKUP_STDERR_FILENO, "w")) == NULL)
- return 2;
-
- ASSERT (freopen (BASE ".tmp", "w+", stderr) == stderr);
-
- /* Test that perror does not clobber strerror buffer. */
- {
- const char *msg1;
- const char *msg2;
- const char *msg3;
- const char *msg4;
- char *str1;
- char *str2;
- char *str3;
- char *str4;
-
- msg1 = strerror (ENOENT);
- ASSERT (msg1);
- str1 = strdup (msg1);
- ASSERT (str1);
-
- msg2 = strerror (ERANGE);
- ASSERT (msg2);
- str2 = strdup (msg2);
- ASSERT (str2);
-
- msg3 = strerror (-4);
- ASSERT (msg3);
- str3 = strdup (msg3);
- ASSERT (str3);
-
- msg4 = strerror (1729576);
- ASSERT (msg4);
- str4 = strdup (msg4);
- ASSERT (str4);
-
- errno = EACCES;
- perror ("");
- errno = -5;
- perror ("");
- ASSERT (!ferror (stderr));
- ASSERT (msg1 == msg2 || msg1 == msg4 || STREQ (msg1, str1));
- ASSERT (msg2 == msg4 || STREQ (msg2, str2));
- ASSERT (msg3 == msg4 || STREQ (msg3, str3));
- ASSERT (STREQ (msg4, str4));
-
- free (str1);
- free (str2);
- free (str3);
- free (str4);
- }
-
- /* Test that perror uses the same message as strerror. */
- {
- int errs[] = { EACCES, 0, -3, };
- int i;
- for (i = 0; i < SIZEOF (errs); i++)
- {
- char buf[256];
- char *err = strerror (errs[i]);
-
- ASSERT (err);
- ASSERT (strlen (err) < sizeof buf);
- rewind (stderr);
- ASSERT (ftruncate (fileno (stderr), 0) == 0);
- errno = errs[i];
- perror (NULL);
- ASSERT (!ferror (stderr));
- rewind (stderr);
- ASSERT (fgets (buf, sizeof buf, stderr) == buf);
- ASSERT (strstr (buf, err));
- }
- }
-
- /* Test that perror reports write failure. */
- {
- ASSERT (freopen (BASE ".tmp", "r", stderr) == stderr);
- ASSERT (setvbuf (stderr, NULL, _IONBF, BUFSIZ) == 0);
- errno = -1;
- ASSERT (!ferror (stderr));
- perror (NULL);
-#if 0
- /* Commented out until cygwin behaves:
- http://sourceware.org/ml/newlib/2011/msg00228.html */
- ASSERT (errno > 0);
- /* Commented out until glibc behaves:
- http://sourceware.org/bugzilla/show_bug.cgi?id=12792 */
- ASSERT (ferror (stderr));
-#endif
- }
-
- ASSERT (fclose (stderr) == 0);
- ASSERT (remove (BASE ".tmp") == 0);
-
- return 0;
-}