tests/readlink/readlink-root.sh

   1 #!/bin/sh
   2 # tests for canonicalize-existing mode (readlink -e) on /.
   3
   4 # Copyright (C) 2012-2024 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ readlink
  21
  22 stat_single=$(stat -c %d:%i /) || framework_failure_
  23 stat_double=$(stat -c %d:%i //) || framework_failure_
  24 double_slash=//
  25 if test x"$stat_single" = x"$stat_double"; then
  26   double_slash=/
  27 fi
  28
  29 test -d /dev || framework_failure_
  30
  31 ln -s / one || framework_failure_
  32 ln -s // two || framework_failure_
  33 ln -s /// three || framework_failure_
  34 ln -s /./..// one-dots || framework_failure_
  35 ln -s //./..// two-dots || framework_failure_
  36 ln -s ///./..// three-dots || framework_failure_
  37 ln -s /dev one-dev || framework_failure_
  38 ln -s //dev two-dev || framework_failure_
  39 ln -s ///dev three-dev || framework_failure_
  40
  41 cat >exp <<EOF || framework_failure_
  42 /
  43 $double_slash
  44 /
  45 /
  46 $double_slash
  47 /
  48 /
  49 $double_slash
  50 /
  51 /
  52 $double_slash
  53 /
  54 /dev
  55 ${double_slash}dev
  56 /dev
  57 /dev
  58 ${double_slash}dev
  59 /dev
  60 /dev
  61 ${double_slash}dev
  62 /dev
  63 EOF
  64
  65 {
  66   readlink -e / || fail=1
  67   readlink -e // || fail=1
  68   readlink -e /// || fail=1
  69   readlink -e /.//.. || fail=1
  70   readlink -e //.//.. || fail=1
  71   readlink -e ///.//.. || fail=1
  72   readlink -e one || fail=1
  73   readlink -e two || fail=1
  74   readlink -e three || fail=1
  75   readlink -e one-dots || fail=1
  76   readlink -e two-dots || fail=1
  77   readlink -e three-dots || fail=1
  78   readlink -e one-dev || fail=1
  79   # We know /dev exists, but cannot assume //dev exists
  80   readlink -f two-dev || fail=1
  81   readlink -e three-dev || fail=1
  82   readlink -e one/dev || fail=1
  83   readlink -f two/dev || fail=1
  84   readlink -e three/dev || fail=1
  85   readlink -e one-dots/dev || fail=1
  86   readlink -f two-dots/dev || fail=1
  87   readlink -e three-dots/dev || fail=1
  88 } > out
  89
  90 compare exp out || fail=1
  91
  92 Exit $fail