tests/wc/wc-total.sh

   1 #!/bin/sh
   2 # Show that wc's --total option works.
   3
   4 # Copyright (C) 2022-2024 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 . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src
  20 print_ver_ wc
  21 require_sparse_support_ # for 'truncate --size=$BIG'
  22 getlimits_
  23
  24 printf '%s\n' '2' > 2b || framework_failure_
  25 printf '%s\n' '2 words' > 2w || framework_failure_
  26
  27 returns_ 1 wc --total 2b 2w > out || fail=1
  28
  29 wc --total=never 2b 2w > out || fail=1
  30 cat <<\EOF > exp || framework_failure_
  31  1  1  2 2b
  32  1  2  8 2w
  33 EOF
  34 compare exp out || fail=1
  35
  36 wc --total=only 2b 2w > out || fail=1
  37 cat <<\EOF > exp || framework_failure_
  38 2 3 10
  39 EOF
  40 compare exp out || fail=1
  41
  42 wc --total=always 2b > out || fail=1
  43 test "$(wc -l < out)" = 2 || fail=1
  44
  45 if truncate -s 2E big; then
  46   if test "$UINTMAX_MAX" = '18446744073709551615'; then
  47     # Ensure overflow is diagnosed
  48     returns_ 1 wc --total=only -c big big big big big big big big \
  49       > out || fail=1
  50
  51     # Ensure total is saturated
  52     printf '%s\n' "$UINTMAX_MAX" > exp || framework_failure_
  53     compare exp out || fail=1
  54
  55     # Ensure overflow is ignored if totals not shown
  56     wc --total=never -c big big big big big big big big || fail=1
  57   fi
  58 fi
  59
  60 Exit $fail