#!/bin/sh

# This would mistakenly print a line prior to grep-2.18.

. "${srcdir=.}/init.sh"; path_prepend_ ../src

require_en_utf8_locale_

require_compiled_in_MB_support

encode() { echo "$1" | tr ABC '\357\274\241'; }

encode ABC >exp1

encode aABC >exp2

encode ABCABC >exp3

encode _____________________ABCABC___ >exp4

fail=0

for LOC in en_US.UTF-8 $LOCALE_FR_UTF8; do

  for pat in A aA BCA; do

    for file in exp1 exp2 exp3 exp4; do

      for type in regex dfa fgrep; do

        case $type in

          dfa) opt= prefix= ;;

          fgrep) opt=-F prefix= ;;

          regex) opt= prefix='\(\)\1' ;;

        esac

        pattern=$prefix$(encode $pat)

        out=out-$type-$LOC

        LC_ALL=$LOC grep $opt "$pattern" $file >$out

        status=$?

        echo $status >$out.status

        if test $status -eq 0; then

          compare $file $out

        elif test $status -eq 1; then

          compare_dev_null_ /dev/null $out

        else

          test $status -eq 2

        fi || fail=1

        compare out-regex-$LOC.status $out.status || fail=1

      done

    done

  done

done

Exit $fail