#!/bin/sh
# Ensure that pwd and "readlink -e ." work even when a parent directory
# is unreadable.  Perform this test only on systems with a usable getcwd
# function that has this capability.

# Copyright (C) 2007-2009 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/>.

if test "$VERBOSE" = yes; then
  set -x
  env -- pwd --version
  readlink --version
fi

. $srcdir/test-lib.sh

test $host_os != linux-gnu &&
  skip_test_ 'vendor getcwd may be inadequate'

# Linux ia64 has the gl_FUNC_GETCWD_ABORT_BUG, so we can't use
# the system getcwd.
test $REPLACE_GETCWD = 1 &&
  skip_test_ "can't use buggy system getcwd"

mkdir -p a/b || framework_failure
cd a/b || framework_failure
chmod a=x .. || framework_failure

fail=0
env -- pwd > exp || fail=1
readlink -ev . > out || fail=1

compare out exp || fail=1

Exit $fail
