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#!/bin/sh
# Compare actual numbers from du, assuming block size matches mine.
# Copyright (C) 2003-2014 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 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ du
mkdir -p a/b d d/sub || framework_failure_
# Ensure that these files contain more than 64 bytes, so that we don't
# immediately disqualify file systems (e.g., NetApp) on which smaller
# files take up zero disk blocks.
printf '%*s' 257 make-sure-the-file-is-non-empty > a/b/F || framework_failure_
printf %4096s x > d/1
cp d/1 d/sub/2
B=$(stat --format=%B a/b/F)
du --block-size=$B -a a > out || fail=1
echo === >> out
du --block-size=$B -a -S a >> out || fail=1
echo === >> out
du --block-size=$B -s a >> out || fail=1
f=$(stat --format=%b a/b/F)
b=$(stat --format=%b a/b)
a=$(stat --format=%b a)
bf=$(expr $b + $f)
tot=$(expr $bf + $a)
cat <<EOF | sed 's/ *#.*//' > exp
$f a/b/F
$bf a/b
$tot a
===
$f a/b/F # size of file, a/b/F
$bf a/b # size of dir entry, a/b, + size of file, a/b/F
$a a # size of dir entry, a
===
$tot a
EOF
compare exp out || fail=1
# Perform this test only if "." is on a local file system.
# Otherwise, it would fail e.g., on an NFS-mounted Solaris ZFS file system.
if is_local_dir_ .; then
rm -f out exp
du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
echo === >> out
du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
t2=$(stat --format=%b d/sub/2)
ts=$(stat --format=%b d/sub)
t1=$(stat --format=%b d/1)
td=$(stat --format=%b d)
tot=$(expr $t1 + $t2 + $ts + $td)
d1=$(expr $td + $t1)
s2=$(expr $ts + $t2)
cat <<EOF | sed 's/ *#.*//' > exp
$t2 d/sub/2
$s2 d/sub
$t1 d/1
$tot d
===
$s2 d/sub
$d1 d # d + d/1; don't count the dir. entry for d/sub
EOF
compare exp out || fail=1
fi
Exit $fail
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