tests/test-dfa-match.sh

   1 #!/bin/sh
   2 # This would fail with grep-2.21's dfa.c.
   3
   4 # Copyright 2014-2025 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=.}/init.sh"; path_prepend_ ../src
  20
  21 # Add "." to PATH for the use of test-dfa-match-aux.
  22 path_prepend_ .
  23
  24 if (type timeout) >/dev/null 2>&1; then
  25     # Busybox's timeout required -t until its 1.30.0 release on 2018-12-31,
  26     # after which it became compatible with coreutils' timeout.
  27   if timeout --help 2>&1 | grep BusyBox && timeout -t 0 true; then
  28     timeout_10='timeout -t 10'
  29   else
  30     timeout_10='timeout 10'
  31   fi
  32 else
  33   timeout_10=
  34 fi
  35
  36 fail=0
  37
  38 ${CHECKER} test-dfa-match-aux a ba 0 > out || fail=1
  39 compare /dev/null out || fail=1
  40
  41 in=$(printf "bb\nbb")
  42 $timeout_10 ${CHECKER} test-dfa-match-aux a "$in" 1 > out || fail=1
  43 compare /dev/null out || fail=1
  44
  45 # If the platform supports U+00E9 LATIN SMALL LETTER E WITH ACUTE,
  46 # test U+D45C HANGUL SYLLABLE PYO.
  47 U_00E9=$(printf '\303\251\n')
  48 U_D45C=$(printf '\355\221\234\n')
  49 if testout=$(LC_ALL=en_US.UTF-8 $CHECKER test-dfa-match-aux '^.$' "$U_00E9") &&
  50    test "$testout" = 2
  51 then
  52   testout=$(LC_ALL=en_US.UTF-8 $CHECKER test-dfa-match-aux '^.$' "$U_D45C") &&
  53   test "$testout" = 3 || fail=1
  54 fi
  55
  56 Exit $fail