test-fstatat: new test, to expose Solaris 9 bugs

[gnulib.git] / tests / test-fstatat.c

diff --git a/tests/test-fstatat.c b/tests/test-fstatat.c
new file mode 100644 (file)
index 0000000..a70721a
--- /dev/null
+++ b/tests/test-fstatat.c
@@ -0,0 +1,89 @@
+/* Tests of fstatat.
+   Copyright (C) 2009 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 of the License, 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/>.  */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009.  */
+
+#include <config.h>
+
+#include <sys/stat.h>
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "openat.h"
+#include "pathmax.h"
+#include "same-inode.h"
+
+#if !HAVE_SYMLINK
+# define symlink(a,b) (-1)
+#endif
+
+#define ASSERT(expr) \
+  do                                                                         \
+    {                                                                        \
+      if (!(expr))                                                           \
+       {                                                                    \
+         fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__);  \
+         fflush (stderr);                                                   \
+         abort ();                                                          \
+       }                                                                    \
+    }                                                                        \
+  while (0)
+
+#define BASE "test-fstatat.t"
+
+#include "test-lstat.h"
+#include "test-stat.h"
+
+static int dfd = AT_FDCWD;
+
+/* Wrapper around fstatat to test stat behavior.  */
+static int
+do_stat (char const *name, struct stat *st)
+{
+  return statat (dfd, name, st);
+}
+
+/* Wrapper around fstatat to test lstat behavior.  */
+static int
+do_lstat (char const *name, struct stat *st)
+{
+  return lstatat (dfd, name, st);
+}
+
+int
+main ()
+{
+  int result;
+  ASSERT (test_stat_func (do_stat) == 0);
+  result = test_lstat_func (do_lstat, false);
+  dfd = open (".", O_RDONLY);
+  ASSERT (0 <= dfd);
+  ASSERT (test_stat_func (do_stat) == 0);
+  ASSERT (test_lstat_func (do_lstat, false) == result);
+  ASSERT (close (dfd) == 0);
+
+  /* FIXME - add additional tests of dfd not at current directory.  */
+
+  if (result == 77)
+    fputs ("skipping test: symlinks not supported on this filesystem\n",
+          stderr);
+  return result;
+}