1 files changed, 102 insertions, 0 deletions
diff --git a/gnulib-tests/test-rmdir.h b/gnulib-tests/test-rmdir.h
new file mode 100644
index 0000000..c5bdef2
--- /dev/null
+++ b/gnulib-tests/test-rmdir.h
@@ -0,0 +1,102 @@
+/* Tests of rmdir.
+   Copyright (C) 2009-2020 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 <https://www.gnu.org/licenses/>.  */
+
+/* Written by Eric Blake <ebb9@byu.net>, 2009.  */
+
+/* This file is designed to test both rmdir(n) and
+   unlinkat(AT_FDCWD,n,AT_REMOVEDIR).  FUNC is the function to test.
+   Assumes that BASE and ASSERT are already defined, and that
+   appropriate headers are already included.  If PRINT, then warn
+   before returning status 77 when symlinks are unsupported.  */
+
+static int
+test_rmdir_func (int (*func) (char const *name), bool print)
+{
+  /* Setup.  */
+  ASSERT (mkdir (BASE "dir", 0700) == 0);
+  ASSERT (close (creat (BASE "dir/file", 0600)) == 0);
+
+  /* Basic error conditions.  */
+  errno = 0;
+  ASSERT (func ("") == -1);
+  ASSERT (errno == ENOENT);
+  errno = 0;
+  ASSERT (func (BASE "nosuch") == -1);
+  ASSERT (errno == ENOENT);
+  errno = 0;
+  ASSERT (func (BASE "nosuch/") == -1);
+  ASSERT (errno == ENOENT);
+  errno = 0;
+  ASSERT (func (".") == -1);
+  ASSERT (errno == EINVAL || errno == EBUSY);
+  /* Resulting errno after ".." or "/" is too varied to test; it is
+     reasonable to see any of EINVAL, EBUSY, EEXIST, ENOTEMPTY,
+     EACCES, EPERM.  */
+  ASSERT (func ("..") == -1);
+  ASSERT (func ("/") == -1);
+  ASSERT (func ("///") == -1);
+  errno = 0;
+  ASSERT (func (BASE "dir/file/") == -1);
+  ASSERT (errno == ENOTDIR);
+
+  /* Non-empty directory.  */
+  errno = 0;
+  ASSERT (func (BASE "dir") == -1);
+  ASSERT (errno == EEXIST || errno == ENOTEMPTY);
+
+  /* Non-directory.  */
+  errno = 0;
+  ASSERT (func (BASE "dir/file") == -1);
+  ASSERT (errno == ENOTDIR);
+
+  /* Empty directory.  */
+  ASSERT (unlink (BASE "dir/file") == 0);
+  errno = 0;
+  ASSERT (func (BASE "dir/.//") == -1);
+  ASSERT (errno == EINVAL || errno == EBUSY || errno == EEXIST
+          || errno == ENOTEMPTY);
+  ASSERT (func (BASE "dir") == 0);
+
+  /* Test symlink behavior.  Specifying trailing slash should remove
+     referent directory (POSIX), or cause ENOTDIR failure (Linux), but
+     not touch symlink.  We prefer the Linux behavior for its
+     intuitiveness (especially compared to rmdir("symlink-to-file/")),
+     but not enough to penalize POSIX systems with an rpl_rmdir.  */
+  if (symlink (BASE "dir", BASE "link") != 0)
+    {
+      if (print)
+        fputs ("skipping test: symlinks not supported on this file system\n",
+               stderr);
+      return 77;
+    }
+  ASSERT (mkdir (BASE "dir", 0700) == 0);
+  errno = 0;
+  if (func (BASE "link/") == 0)
+    {
+      struct stat st;
+      errno = 0;
+      ASSERT (stat (BASE "link", &st) == -1);
+      ASSERT (errno == ENOENT);
+    }
+  else
+    {
+      ASSERT (errno == ENOTDIR);
+      ASSERT (func (BASE "dir") == 0);
+    }
+  ASSERT (unlink (BASE "link") == 0);
+
+  return 0;
+}