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#!/bin/sh
# Exercise du's --threshold option.
# Copyright (C) 2013-2025 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/>.
. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
print_ver_ du
mkdir -p a/b a/c || framework_failure_
touch a/b/0 || framework_failure_
printf '%1s' x > a/b/1 || framework_failure_
printf '%2s' x > a/b/2 || framework_failure_
printf '%3s' x > a/b/3 || framework_failure_
Ba=$(stat --format="%B * %b" a | xargs expr)
Bb=$(stat --format="%B * %b" a/b | xargs expr)
Bc=$(stat --format="%B * %b" a/c | xargs expr)
B0=$(stat --format="%B * %b" a/b/0 | xargs expr)
B1=$(stat --format="%B * %b" a/b/1 | xargs expr)
B2=$(stat --format="%B * %b" a/b/2 | xargs expr)
B3=$(stat --format="%B * %b" a/b/3 | xargs expr)
Sa=0 # du always assumes st_size=0 for dirs
Sb=0
Sc=0
S0=$(stat --format=%s a/b/0)
S1=$(stat --format=%s a/b/1)
S2=$(stat --format=%s a/b/2)
S3=$(stat --format=%s a/b/3)
Bb0123=$(expr $Bb + $B0 + $B1 + $B2 + $B3)
Sb0123=$(expr $Sb + $S0 + $S1 + $S2 + $S3)
Bab0123=$(expr $Ba + $Bc + $Bb0123)
# Sanity checks
test $Ba -gt 4 || skip_ "block size of a directory is smaller than 4 bytes"
test $Bc -gt 4 || skip_ "block size of an empty directory is smaller than 4 \
bytes"
test $B1 -gt 4 || skip_ "block size of small file smaller than 4 bytes"
test $S3 -eq 3 || framework_failure_
test $S2 -eq 2 || framework_failure_
test $S1 -eq 1 || framework_failure_
test $S0 -eq 0 || framework_failure_
test $B0 -eq 0 || skip_ "block size of an empty file unequal Zero"
# block size of a/b/1 == a/b/2
test $B1 -eq $B2 || framework_failure_
# a is bigger than a/b.
test $Bab0123 -gt $Bb0123 || framework_failure_
# a/b is bigger than empty a/c.
test $Sb0123 -gt $Sc || framework_failure_
test $Bb0123 -gt $Bc || framework_failure_
# Exercise a bad argument: unparsable number.
cat <<EOF > exp
du: invalid --threshold argument 'SIZE'
EOF
du --threshold=SIZE a > out 2>&1 && fail=1
compare exp out || fail=1
cat <<EOF > exp
du: invalid -t argument 'SIZE'
EOF
du -t SIZE a > out 2>&1 && fail=1
compare exp out || fail=1
# Exercise a bad argument: -0 is not valid.
cat <<EOF > exp
du: invalid --threshold argument '-0'
EOF
du --threshold=-0 a > out 2>&1 && fail=1
compare exp out || fail=1
du -t -0 a > out 2>&1 && fail=1
compare exp out || fail=1
du -t-0 a > out 2>&1 && fail=1
compare exp out || fail=1
# Exercise a bad argument: empty argument.
cat <<EOF > exp
du: invalid --threshold argument ''
EOF
du --threshold= a > out 2>&1 && fail=1
compare exp out || fail=1
# Exercise a bad argument: no argument.
du --threshold > out.tmp 2>&1 && fail=1
sed 's/argument.*/argument/; s/option.*requires/option requires/' \
< out.tmp > out || framework_failure_
cat <<EOF > exp
du: option requires an argument
Try 'du --help' for more information.
EOF
compare exp out || fail=1
rm -f out
dutest ()
{
args="$1"
exp="$2"
rm -f exp out
# Expected output.
if [ "$exp" = "" ] ; then
touch exp
else
printf "%s\n" $exp > exp
fi
rc=0
du -B1 $args a > out1 2>&1 || { cat out1 ; rc=1 ; }
# Remove the size column and sort the output.
cut -f2- out1 | sort > out || framework_failure_
compare exp out || { cat out1 ; rc=1 ; }
return $rc
}
# Check numbers around the total size of the main directory 'a'.
# One byte greater than 'a'.
s=$(expr $Bab0123 + 1) # block size
dutest " -t $s" '' || fail=1
dutest " -a -t $s" '' || fail=1
dutest " -S -t $s" '' || fail=1
dutest " -a -S -t $s" '' || fail=1
dutest " -t -$s" 'a a/b a/c' || fail=1
dutest " -a -t -$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S -t -$s" 'a a/b a/c' || fail=1
dutest " -a -S -t -$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a'.
s=$Bab0123 # block size
dutest " --th=$s" 'a' || fail=1
dutest " -a --th=$s" 'a' || fail=1
dutest " -S --th=$s" '' || fail=1
dutest " -a -S --th=$s" '' || fail=1
dutest " --th=-$s" 'a a/b a/c' || fail=1
dutest " -a --th=-$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# One byte smaller than 'a'.
s=$(expr $Bab0123 - 1) # block size
dutest " --th=$s" 'a' || fail=1
dutest " -a --th=$s" 'a' || fail=1
dutest " -S --th=$s" '' || fail=1
dutest " -a -S --th=$s" '' || fail=1
dutest " --th=-$s" 'a/b a/c' || fail=1
dutest " -a --th=-$s" 'a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Check numbers around the total size of the sub directory 'a/b'.
# One byte greater than 'a/b'.
s=$(expr $Bb0123 + 1) # block size
dutest " --th=$s" 'a' || fail=1
dutest " -a --th=$s" 'a' || fail=1
dutest " -S --th=$s" '' || fail=1
dutest " -a -S --th=$s" '' || fail=1
dutest " --th=-$s" 'a/b a/c' || fail=1
dutest " -a --th=-$s" 'a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a/b'.
s=$Bb0123 # block size
dutest " --th=$s" 'a a/b' || fail=1
dutest " -a --th=$s" 'a a/b' || fail=1
dutest " -S --th=$s" 'a/b' || fail=1
dutest " -a -S --th=$s" 'a/b' || fail=1
dutest " --th=-$s" 'a/b a/c' || fail=1
dutest " -a --th=-$s" 'a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# One byte smaller than 'a/b'.
s=$(expr $Bb0123 - 1) # block size
dutest " --th=$s" 'a a/b' || fail=1
dutest " -a --th=$s" 'a a/b' || fail=1
dutest " -S --th=$s" 'a/b' || fail=1
dutest " -a -S --th=$s" 'a/b' || fail=1
dutest " --th=-$s" 'a/c' || fail=1
dutest " -a --th=-$s" 'a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Check numbers around the total size of the files a/b/[0123]'.
echo One byte greater than 'a/b/3'.
s=$(expr $B3 + 1) # block size
dutest " --th=$s" 'a a/b' || fail=1
dutest " -a --th=$s" 'a a/b' || fail=1
dutest " -S --th=$s" 'a/b' || fail=1
dutest " -a -S --th=$s" 'a/b' || fail=1
dutest " --th=-$s" 'a/c' || fail=1
dutest " -a --th=-$s" 'a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a/b/3'.
echo Exactly the size of 'a/b/3'.
s=$B3 # block size
dutest " --th=$s" 'a a/b a/c' || fail=1
dutest " -a --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " --th=-$s" 'a/c' || fail=1
dutest " -a --th=-$s" 'a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a/b/2'.
echo Exactly the size of 'a/b/2'.
s=$B2 # block size
dutest " --th=$s" 'a a/b a/c' || fail=1
dutest " -a --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " --th=-$s" 'a/c' || fail=1
dutest " -a --th=-$s" 'a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a/b/1'.
echo Exactly the size of 'a/b/1'.
s=$B1 # block size
dutest " --th=$s" 'a a/b a/c' || fail=1
dutest " -a --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=$s" 'a a/b a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " --th=-$s" 'a/c' || fail=1
dutest " -a --th=-$s" 'a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=-$s" 'a a/c' || fail=1
dutest " -a -S --th=-$s" 'a a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# Exactly the size of 'a/b/0'.
echo Exactly the size of 'a/b/0'.
s=$B0 # block size
dutest " --th=$s" 'a a/b a/c' || fail=1
dutest " -a --th=$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
dutest " -S --th=$s" 'a a/b a/c' || fail=1
dutest " -a -S --th=$s" 'a a/b a/b/0 a/b/1 a/b/2 a/b/3 a/c' || fail=1
# (maximum tests (-0) not possible).
Exit $fail
|
