tests/du/basic.sh

   1 #!/bin/sh
   2 # Compare actual numbers from du, assuming block size matches mine.
   3
   4 # Copyright (C) 2003-2019 Free Software Foundation, Inc.
   5
   6 # This program is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  18
  19 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ du
  21
  22 mkdir -p a/b d d/sub || framework_failure_
  23
  24 # Ensure that these files contain more than 64 bytes, so that we don't
  25 # immediately disqualify file systems (e.g., NetApp) on which smaller
  26 # files take up zero disk blocks.
  27 printf '%*s' 257 make-sure-the-file-is-non-empty > a/b/F || framework_failure_
  28 printf %4096s x > d/1
  29 cp d/1 d/sub/2
  30
  31
  32 B=$(stat --format=%B a/b/F)
  33
  34 du --block-size=$B -a a > out || fail=1
  35 echo === >> out
  36 du --block-size=$B -a -S a >> out || fail=1
  37 echo === >> out
  38 du --block-size=$B -s a >> out || fail=1
  39
  40 f=$(stat --format=%b a/b/F)
  41 b=$(stat --format=%b a/b)
  42 a=$(stat --format=%b a)
  43 bf=$(expr $b + $f)
  44 tot=$(expr $bf + $a)
  45
  46 cat <<EOF | sed 's/ *#.*//' > exp
  47 $f      a/b/F
  48 $bf     a/b
  49 $tot    a
  50 ===
  51 $f      a/b/F   # size of file, a/b/F
  52 $bf     a/b     # size of dir entry, a/b, + size of file, a/b/F
  53 $a      a       # size of dir entry, a
  54 ===
  55 $tot    a
  56 EOF
  57
  58 compare exp out || fail=1
  59
  60 # Perform this test only if "." is on a local file system.
  61 # Otherwise, it would fail e.g., on an NFS-mounted Solaris ZFS file system.
  62 if is_local_dir_ .; then
  63   rm -f out exp
  64   du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
  65   echo === >> out
  66   du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
  67
  68   t2=$(stat --format=%b d/sub/2)
  69   ts=$(stat --format=%b d/sub)
  70   t1=$(stat --format=%b d/1)
  71   td=$(stat --format=%b d)
  72   tot=$(expr $t1 + $t2 + $ts + $td)
  73   d1=$(expr $td + $t1)
  74   s2=$(expr $ts + $t2)
  75
  76   cat <<EOF | sed 's/ *#.*//' > exp
  77 $t2     d/sub/2
  78 $s2     d/sub
  79 $t1     d/1
  80 $tot    d
  81 ===
  82 $s2     d/sub
  83 $d1     d           # d + d/1; don't count the dir. entry for d/sub
  84 EOF
  85
  86   compare exp out || fail=1
  87 fi
  88
  89 Exit $fail