tests/du/basic

   1 #!/bin/sh
   2 # Compare actual numbers from du, assuming block size matches mine.
   3
   4 # Copyright (C) 2003, 2006-2008 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 <http://www.gnu.org/licenses/>.
  18
  19 if test "$VERBOSE" = yes; then
  20   set -x
  21   du --version
  22 fi
  23
  24 . $srcdir/test-lib.sh
  25
  26 mkdir -p a/b d d/sub || framework_failure
  27
  28 # Ensure that these files contain more than 64 bytes, so that we don't
  29 # immediately disqualify file systems (e.g., NetApp) on which smaller
  30 # files take up zero disk blocks.
  31 printf '%*s' 257 make-sure-the-file-is-non-empty > a/b/F || framework_failure
  32 printf %4096s x > d/1
  33 cp d/1 d/sub/2
  34
  35 fail=0
  36
  37 B=`stat --format=%B a/b/F`
  38
  39 du --block-size=$B -a a > out || fail=1
  40 echo === >> out
  41 du --block-size=$B -a -S a >> out || fail=1
  42 echo === >> out
  43 du --block-size=$B -s a >> out || fail=1
  44
  45 f=`stat --format=%b a/b/F`
  46 b=`stat --format=%b a/b`
  47 a=`stat --format=%b a`
  48 bf=`expr $b + $f`
  49 tot=`expr $bf + $a`
  50
  51 cat <<EOF | sed 's/ *#.*//' > exp
  52 $f      a/b/F
  53 $bf     a/b
  54 $tot    a
  55 ===
  56 $f      a/b/F   # size of file, a/b/F
  57 $bf     a/b     # size of dir entry, a/b, + size of file, a/b/F
  58 $a      a       # size of dir entry, a
  59 ===
  60 $tot    a
  61 EOF
  62
  63 compare out exp || fail=1
  64
  65 # Perform this test only if "." is on a local file system.
  66 # Otherwise, it would fail e.g., on an NFS-mounted Solaris ZFS file system.
  67 if df --local . >/dev/null 2>&1; then
  68   rm -f out exp
  69   du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
  70   echo === >> out
  71   du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
  72
  73   t2=`stat --format=%b d/sub/2`
  74   ts=`stat --format=%b d/sub`
  75   t1=`stat --format=%b d/1`
  76   td=`stat --format=%b d`
  77   tot=`expr $t1 + $t2 + $ts + $td`
  78   d1=`expr $td + $t1`
  79   s2=`expr $ts + $t2`
  80
  81   cat <<EOF | sed 's/ *#.*//' > exp
  82 $t2     d/sub/2
  83 $s2     d/sub
  84 $t1     d/1
  85 $tot    d
  86 ===
  87 $s2     d/sub
  88 $d1     d           # d + d/1; don't count the dir. entry for d/sub
  89 EOF
  90
  91   compare out exp || fail=1
  92 fi
  93
  94 Exit $fail