tests/du/inodes.sh

   1 #!/bin/sh
   2 # exercise du's --inodes option
   3
   4 # Copyright (C) 2010-2024 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 # An empty directory uses only 1 inode.
  23 mkdir d || framework_failure_
  24 printf '1\td\n' > exp || framework_failure_
  25
  26 du --inodes d > out 2>err || fail=1
  27 compare exp out || fail=1
  28 compare /dev/null err || fail=1
  29
  30 # Add a regular file: 2 inodes used.
  31 touch d/f || framework_failure_
  32 printf '2\td\n' > exp || framework_failure_
  33
  34 du --inodes d > out 2>err || fail=1
  35 compare exp out || fail=1
  36 compare /dev/null err || fail=1
  37
  38 # Add a hardlink to the file: still only 2 inodes used.
  39 ln -v d/f d/h || framework_failure_
  40 du --inodes d > out 2>err || fail=1
  41 compare exp out || fail=1
  42 compare /dev/null err || fail=1
  43
  44 # Now count also hardlinks (-l,--count-links): 3 inodes.
  45 printf '3\td\n' > exp || framework_failure_
  46 du --inodes -l d > out 2>err || fail=1
  47 compare exp out || fail=1
  48 compare /dev/null err || fail=1
  49
  50 # Create a directory and summarize: 3 inodes.
  51 mkdir d/d || framework_failure_
  52 du --inodes -s d > out 2>err || fail=1
  53 compare exp out || fail=1
  54 compare /dev/null err || fail=1
  55
  56 # Count inodes separated: 1-2.
  57 printf '1\td/d\n2\td\n' > exp || framework_failure_
  58 du --inodes -S d > out 2>err || fail=1
  59 compare exp out || fail=1
  60 compare /dev/null err || fail=1
  61
  62 # Count inodes cumulative (default): 1-3.
  63 printf '1\td/d\n3\td\n' > exp || framework_failure_
  64 du --inodes d > out 2>err || fail=1
  65 compare exp out || fail=1
  66 compare /dev/null err || fail=1
  67
  68 # Count all items: 1-1-3.
  69 # Sort output because the directory entry order is not defined.
  70 # Also replace the hardlink with the original file name because
  71 # the system may either return 'd/f' or 'd/h' first, and du(1)
  72 # will ignore the other one.
  73 printf '1\td/d\n1\td/f\n3\td\n' | sort > exp || framework_failure_
  74 du --inodes -a d > out.tmp 2>err || fail=1
  75 sed 's/h$/f/' out.tmp | sort >out || framework_failure_
  76 compare exp out || fail=1
  77 compare /dev/null err || fail=1
  78
  79 # Count all items and hardlinks again: 1-1-1-4
  80 # Sort output because the directory entry order is not defined.
  81 printf '1\td/d\n1\td/h\n1\td/f\n4\td\n' | sort > exp || framework_failure_
  82 du --inodes -al d > out.tmp 2>err || fail=1
  83 sort <out.tmp >out || framework_failure_
  84 compare exp out || fail=1
  85 compare /dev/null err || fail=1
  86
  87 # Run with total (-c) line: 1-3-3
  88 printf '1\td/d\n3\td\n3\ttotal\n' > exp || framework_failure_
  89 du --inodes -c d > out 2>err || fail=1
  90 compare exp out || fail=1
  91 compare /dev/null err || fail=1
  92
  93 # Create another file in the subdirectory: 2-4
  94 touch d/d/f || framework_failure_
  95 printf '2\td/d\n4\td\n' > exp || framework_failure_
  96 du --inodes d > out 2>err || fail=1
  97 compare exp out || fail=1
  98 compare /dev/null err || fail=1
  99
 100 # Ensure human output (-h, --si) works.
 101 rm -rf d || framework_failure_
 102 mkdir d || framework_failure_
 103 seq --format="d/file%g" 1023 | xargs touch || framework_failure_
 104 printf '1.0K\td\n' > exp || framework_failure_
 105 du --inodes -h d > out 2>err || fail=1
 106 compare exp out || fail=1
 107 compare /dev/null err || fail=1
 108
 109 printf '1.1k\td\n' > exp || framework_failure_
 110 du --inodes --si d > out 2>err || fail=1
 111 compare exp out || fail=1
 112 compare /dev/null err || fail=1
 113
 114 # Verify --inodes ignores -B.
 115 printf '1024\td\n' > exp || framework_failure_
 116 du --inodes -B10 d > out 2>err || fail=1
 117 compare exp out || fail=1
 118 compare /dev/null err || fail=1
 119
 120 # Verify --inodes works with --threshold.
 121 printf '1024\td\n' > exp || framework_failure_
 122 du --inodes --threshold=1000 d > out 2>err || fail=1
 123 compare exp out || fail=1
 124 compare /dev/null err || fail=1
 125
 126 du --inodes --threshold=-1000 d > out 2>err || fail=1
 127 compare /dev/null out || fail=1
 128 compare /dev/null err || fail=1
 129
 130 # Verify --inodes raises a warning for --apparent-size and -b.
 131 du --inodes -b d > out 2>err || fail=1
 132 grep ' ineffective ' err >/dev/null || { fail=1; cat out err; }
 133
 134 du --inodes --apparent-size d > out 2>err || fail=1
 135 grep ' ineffective ' err >/dev/null || { fail=1; cat out err; }
 136
 137 # Ensure that --inodes is mentioned in the usage.
 138 du --help > out || fail=1
 139 grep ' --inodes ' out >/dev/null || { fail=1; cat out; }
 140 Exit $fail