tests/misc/stty

   1 #! /bin/sh
   2 # Make sure stty can parse most of its options.
   3
   4 # Copyright (C) 1998-2004, 2006-2009 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   stty --version
  22 fi
  23
  24 # Make sure there's a tty on stdin.
  25 . $srcdir/test-lib.sh
  26 require_controlling_input_terminal_
  27 trap '' TTOU # Ignore SIGTTOU
  28
  29 # The following list of reversible options was generated with
  30 # grep -w REV stty.c|sed -n '/^  {"/{s//REV_/;s/".*/=1/;p;}'|fmt
  31 REV_parenb=1 REV_parodd=1 REV_hupcl=1 REV_hup=1 REV_cstopb=1 REV_cread=1
  32 REV_clocal=1 REV_crtscts=1 REV_ignbrk=1 REV_brkint=1 REV_ignpar=1
  33 REV_parmrk=1 REV_inpck=1 REV_istrip=1 REV_inlcr=1 REV_igncr=1 REV_icrnl=1
  34 REV_ixon=1 REV_ixoff=1 REV_tandem=1 REV_iuclc=1 REV_ixany=1 REV_imaxbel=1
  35 REV_opost=1 REV_olcuc=1 REV_ocrnl=1 REV_onlcr=1 REV_onocr=1 REV_onlret=1
  36 REV_ofill=1 REV_ofdel=1 REV_isig=1 REV_icanon=1 REV_iexten=1 REV_echo=1
  37 REV_echoe=1 REV_crterase=1 REV_echok=1 REV_echonl=1 REV_noflsh=1
  38 REV_xcase=1 REV_tostop=1 REV_echoprt=1 REV_prterase=1 REV_echoctl=1
  39 REV_ctlecho=1 REV_echoke=1 REV_crtkill=1 REV_evenp=1 REV_parity=1
  40 REV_oddp=1 REV_nl=1 REV_cooked=1 REV_raw=1 REV_pass8=1 REV_litout=1
  41 REV_cbreak=1 REV_decctlq=1 REV_tabs=1 REV_lcase=1 REV_LCASE=1
  42
  43 fail=0
  44
  45 saved_state=.saved-state
  46 stty --save > $saved_state || fail=1
  47 stty `cat $saved_state` || fail=1
  48
  49 # This would segfault prior to sh-utils-2.0j.
  50 stty erase - || fail=1
  51
  52 # These would improperly ignore invalid options through coreutils 5.2.1.
  53 stty -F 2>/dev/null && fail=1
  54 stty -raw -F no/such/file 2>/dev/null && fail=1
  55 stty -raw -a 2>/dev/null && fail=1
  56
  57 # Build a list of all boolean options stty accepts on this system.
  58 # Don't depend on terminal width.  Put each option on its own line,
  59 # remove all non-boolean ones, then remove any leading hyphens.
  60 sed_del='/^speed/d;/^rows/d;/^columns/d;/ = /d'
  61 options=`stty -a | tr -s ';' '\n' | sed "s/^ //;$sed_del;s/-//g"`
  62
  63 # Take them one at a time, with and without the leading `-'.
  64 for opt in $options; do
  65   # `stty parenb' and `stty -parenb' fail with this message
  66   # stty: standard input: unable to perform all requested operations
  67   # on Linux 2.2.0-pre4 kernels, so skip those tests.
  68   test $opt = parenb && continue
  69   stty $opt || fail=1
  70
  71   # Likewise, `stty -cread' would fail, so skip that, too.
  72   test $opt = cread && continue
  73   rev=`eval echo "\\\$REV_$opt"`
  74   if test -n "$rev"; then
  75     stty -$opt || { fail=1; echo -$opt; }
  76   fi
  77 done
  78
  79 if test -n "$RUN_LONG_TESTS"; then
  80   # Take them in pairs.
  81   for opt1 in $options; do
  82     echo .|tr -d '\n'
  83     for opt2 in $options; do
  84
  85       stty $opt1 $opt2 || fail=1
  86
  87       rev1=`eval echo "\\\$REV_$opt1"`
  88       rev2=`eval echo "\\\$REV_$opt2"`
  89       if test -n "$rev1"; then
  90         stty -$opt1 $opt2 || fail=1
  91       fi
  92       if test -n "$rev2"; then
  93         stty $opt1 -$opt2 || fail=1
  94       fi
  95       if test "$rev1$rev2" = 11; then
  96         stty -$opt1 -$opt2 || fail=1
  97       fi
  98     done
  99   done
 100 fi
 101
 102 stty `cat $saved_state`
 103
 104 Exit $fail