tests/tilde.tests

   1 #   This program is free software: you can redistribute it and/or modify
   2 #   it under the terms of the GNU General Public License as published by
   3 #   the Free Software Foundation, either version 3 of the License, or
   4 #   (at your option) any later version.
   5 #
   6 #   This program is distributed in the hope that it will be useful,
   7 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
   8 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   9 #   GNU General Public License for more details.
  10 #
  11 #   You should have received a copy of the GNU General Public License
  12 #   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  13 #
  14 wdir=$PWD
  15 # this is needed because posix mode restricts tilde expansion to assignment
  16 # statements preceding a command, instead of the default of expanding all
  17 # assignment statements on the line (e.g., after `export').  Without this,
  18 # the next-to-last test fails
  19 set +o posix
  20
  21 HOME=/usr/xyz
  22 SHELL=~/bash
  23 echo ~ch\et
  24 echo ~/"foo"
  25 echo "~chet"/"foo"
  26 echo \~chet/"foo"
  27 echo \~chet/bar
  28 echo ~\chet/bar
  29 echo ~chet""/bar
  30 echo ":~chet/"
  31 echo abcd~chet
  32 echo "SHELL=~/bash"
  33 echo $SHELL
  34 echo abcd:~chet
  35 path=/usr/ucb:/bin:~/bin:~/tmp/bin:/usr/bin
  36 echo $path
  37
  38 cd /usr
  39 cd /tmp
  40 echo ~-
  41 echo ~+
  42
  43 XPATH=/bin:/usr/bin:.
  44
  45 # yes tilde expansion
  46 PPATH=$XPATH:~/bin
  47 echo "$PPATH"
  48
  49 # no tilde expansion
  50 PPATH="$XPATH:~/bin"
  51 echo "$PPATH"
  52
  53 # yes tilde expansion
  54 export PPATH=$XPATH:~/bin
  55 echo "$PPATH"
  56 declare -x PPATH=$XPATH:~/bin
  57 echo "$PPATH"
  58
  59 # no tilde expansion
  60 export PPATH="$XPATH:~/bin"
  61 echo "$PPATH"
  62 declare -x PPATH="$XPATH:~/bin"
  63 echo "$PPATH"
  64
  65 printf "%q\n" '~'
  66
  67 # more tests of tilde expansion when executing case commands
  68 case ~ in
  69 $HOME)  echo ok 1;;
  70 *) echo bad 1 ;;
  71 esac
  72
  73 case ~ in
  74 ~)      echo ok 2 ;;
  75 \~)     echo bad 2a ;;
  76 *)      echo bad 2b ;;
  77 esac
  78
  79 case $unset in
  80 "")     echo ok 3 ;;
  81 *)      echo bad 3 ;;
  82 esac
  83
  84 USER=root               # should exist just about everywhere
  85 echo ~$USER
  86
  87 cd "$wdir"
  88
  89 echo foo=bar:~
  90 set -o posix; echo foo=bar:~
  91
  92 exit 0