tests/stty/basic-1

   1 #! /bin/sh
   2 # Make sure stty can parse most of its options.
   3
   4 if test "$VERBOSE" = yes; then
   5   set -x
   6   stty --version
   7 fi
   8
   9 # Make sure there's a tty on stdin.
  10 . $srcdir/input-tty
  11
  12 # The following list of reversible options was generated with
  13 # grep -w REV stty.c|sed -n '/^  {"/{s//REV_/;s/".*/=1/;p;}'|fmt
  14 REV_parenb=1 REV_parodd=1 REV_hupcl=1 REV_hup=1 REV_cstopb=1 REV_cread=1
  15 REV_clocal=1 REV_crtscts=1 REV_ignbrk=1 REV_brkint=1 REV_ignpar=1
  16 REV_parmrk=1 REV_inpck=1 REV_istrip=1 REV_inlcr=1 REV_igncr=1 REV_icrnl=1
  17 REV_ixon=1 REV_ixoff=1 REV_tandem=1 REV_iuclc=1 REV_ixany=1 REV_imaxbel=1
  18 REV_opost=1 REV_olcuc=1 REV_ocrnl=1 REV_onlcr=1 REV_onocr=1 REV_onlret=1
  19 REV_ofill=1 REV_ofdel=1 REV_isig=1 REV_icanon=1 REV_iexten=1 REV_echo=1
  20 REV_echoe=1 REV_crterase=1 REV_echok=1 REV_echonl=1 REV_noflsh=1
  21 REV_xcase=1 REV_tostop=1 REV_echoprt=1 REV_prterase=1 REV_echoctl=1
  22 REV_ctlecho=1 REV_echoke=1 REV_crtkill=1 REV_evenp=1 REV_parity=1
  23 REV_oddp=1 REV_nl=1 REV_cooked=1 REV_raw=1 REV_pass8=1 REV_litout=1
  24 REV_cbreak=1 REV_decctlq=1 REV_tabs=1 REV_lcase=1 REV_LCASE=1
  25
  26 fail=0
  27
  28 saved_state=.saved-state
  29 stty --save > $saved_state || fail=1
  30 stty `cat $saved_state` || fail=1
  31
  32 # This would segfault prior to sh-utils-2.0j.
  33 stty erase -
  34
  35 # Build a list of all boolean options stty accepts on this system.
  36 options=`stty -a|tail +2|tr ';' '\012'|sed '/ = /d;s/^ //;s/-//g'`
  37
  38 # Take them one at a time, with and without the leading `-'.
  39 for opt in $options; do
  40   # `stty parenb' and `stty -parenb' fail with this message
  41   # stty: standard input: unable to perform all requested operations
  42   # on Linux 2.2.0-pre4 kernels, so skip those tests.
  43   test $opt = parenb && continue
  44   stty $opt || fail=1
  45
  46   # Likewise, `stty -cread' would fail, so skip that, too.
  47   test $opt = cread && continue
  48   rev=`eval echo "\\\$REV_$opt"`
  49   if test -n "$rev"; then
  50     stty -$opt || { fail=1; echo -$opt; }
  51   fi
  52 done
  53
  54 if test -n "$RUN_LONG_TESTS"; then
  55   # Take them in pairs.
  56   for opt1 in $options; do
  57     echo .|tr -d '\012'
  58     for opt2 in $options; do
  59
  60       stty $opt1 $opt2 || fail=1
  61
  62       rev1=`eval echo "\\\$REV_$opt1"`
  63       rev2=`eval echo "\\\$REV_$opt2"`
  64       if test -n "$rev1"; then
  65         stty -$opt1 $opt2 || fail=1
  66       fi
  67       if test -n "$rev2"; then
  68         stty $opt1 -$opt2 || fail=1
  69       fi
  70       if test "$rev1$rev2" = 11; then
  71         stty -$opt1 -$opt2 || fail=1
  72       fi
  73     done
  74   done
  75 fi
  76
  77 stty `cat $saved_state`
  78 rm -f $saved_state
  79
  80 exit $fail