tests/misc/stty-row-col

   1 #! /bin/sh
   2 # Test "stty" with rows and columns.
   3
   4 # Copyright (C) 1998-2001, 2003-2011 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 # Setting this envvar to a very small value used to cause e.g., `stty size'
  20 # to generate slightly different output on certain systems.
  21 COLUMNS=80
  22 export COLUMNS
  23
  24 # Make sure we get English-language behavior.
  25 # See the report about a possibly-related Solaris problem by Alexandre Peshansky
  26 # <http://lists.gnu.org/archive/html/bug-coreutils/2004-10/msg00035.html>.
  27 # Currently stty isn't localized, but it might be in the future.
  28 LC_ALL=C
  29 export LC_ALL
  30
  31 . "${srcdir=.}/init.sh"; path_prepend_ ../src
  32 print_ver_ stty
  33
  34 require_controlling_input_terminal_
  35 trap '' TTOU # Ignore SIGTTOU
  36
  37 # Versions of GNU stty from shellutils-1.9.2c and earlier failed
  38 # tests #2 and #4 when run on SunOS 4.1.3.
  39
  40 tests='
  41 1 rows_40_columns_80 40_80
  42 2 rows_1_columns_1 1_1
  43 3 rows_40_columns_80 40_80
  44 4 rows_1 1_80
  45 5 columns_1 1_1
  46 6 rows_40 40_1
  47 7 rows_1 1_1
  48 8 columns_80 1_80
  49 9 rows_30 30_80
  50 NA LAST NA
  51 '
  52 set $tests
  53
  54 saved_size=`stty size` && test -n "$saved_size" \
  55   || skip_ "can't get window size"
  56
  57 # Linux virtual consoles issue an error if you
  58 # try to increase their size.  So skip in that case.
  59 if test "x$saved_size" != "x0 0"; then
  60   srow=$(echo $saved_size | cut -d ' ' -f1)
  61   scol=$(echo $saved_size | cut -d ' ' -f2)
  62   stty rows $(expr $srow + 1) cols $(expr $scol + 1) ||
  63     skip_ "can't increase window size"
  64 fi
  65
  66 while :; do
  67   test_name=$1
  68   args=$2
  69   expected_result="`echo $3|tr _ ' '`"
  70   test "$args" = empty && args=''
  71   test "x$args" = xLAST && break
  72   args=`echo x$args|tr _ ' '|sed 's/^x//'`
  73   if test "$VERBOSE" = yes; then
  74     # echo "testing \`stty $args; stty size\` = $expected_result ..."
  75     echo "test $test_name... " | tr -d '\n'
  76   fi
  77   stty $args || exit 1
  78   test x"`stty size 2> /dev/null`" = "x$expected_result" \
  79     && ok=ok || ok=FAIL fail=1
  80   test "$VERBOSE" = yes && echo $ok
  81   shift; shift; shift
  82 done
  83
  84 set x $saved_size
  85 stty rows $2 columns $3 || exit 1
  86
  87 Exit $fail