diff options
Diffstat (limited to 'tests/du/slink')
-rwxr-xr-x | tests/du/slink | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/tests/du/slink b/tests/du/slink new file mode 100755 index 0000000..8be1a30 --- /dev/null +++ b/tests/du/slink @@ -0,0 +1,79 @@ +#!/bin/sh +# Ensure that the size of a long-named-symlink is > 0. + +# Copyright (C) 2002-2007 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 2 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, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. + +if test "$VERBOSE" = yes; then + set -x + du --version +fi + +pwd=`pwd` +t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$ +trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0 +trap '(exit $?); exit $?' 1 2 13 15 + +framework_failure=0 +mkdir -p $tmp || framework_failure=1 +cd $tmp || framework_failure=1 + +# Determine if `.' is on a local (would non-NFS be sufficient?) file system. +# On at least some NFS implementations, symlinks never take up space, + +# So if this is a non-local file system, skip the test. +if df --local . >/dev/null 2>&1; then + : # Ok. +else + echo "$0: skipping this test, since \`.' is on a non-local file system" 1>&2 + (exit 77); exit 77 +fi + +if df --type=xfs . >/dev/null 2>&1; then + # At least on Irix-6.5.19, when using an xfs file system, + # each created symlink (name lengths up to 255) would have a size of `0'. + echo "$0: skipping this test, since \`.' is on an XFS file system" 1>&2 + (exit 77); exit 77 +fi + +if df --type=nfsv3 . >/dev/null 2>&1; then + # At least on OSF/1 4.0d, when using an nfsv3 file system, + # each created symlink can end up having a size of 0. + echo "$0: skipping this test, since \`.' is on an NFS file system" 1>&2 + (exit 77); exit 77 +fi + +if test $framework_failure = 1; then + echo "$0: failure in testing framework" 1>&2 + (exit 1); exit 1 +fi + +fail=0 +symlink_name_lengths='1 15 16 31 32 59 60 63 64 127 128 255 256 511 512 1024' +for len in $symlink_name_lengths; do + name=`seq 1 $len|tr -c x y |head -c$len` + # Record the names of symlinks that are successfully created. + ln -fs $name $len > /dev/null 2>&1 \ + && symlinks="$symlinks $len" +done + +du -a $symlinks > out || fail=1 + +# Require that at least one of these symlinks has a non-zero size. +grep '^[1-9]' out > /dev/null || fail=1 + +(exit $fail); exit $fail |