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#!/bin/sh
# test that matches starting in the middle of a multibyte char aren't rejected
# too greedily.
# Derived from https://savannah.gnu.org/bugs/?23814
. "${srcdir=.}/init.sh"; path_prepend_ ../src
# Add "." to PATH for the use of get-mb-cur-max.
path_prepend_ .
require_compiled_in_MB_support
locale=ja_JP.EUC-JP
make_input () {
echo "$1" | tr AB '\244\263'
}
euc_grep () {
pat=$(make_input "$1")
LC_ALL=$locale grep "$pat"
}
case $(get-mb-cur-max $locale) in
2|3) ;;
*) skip_ 'EUC-JP locale not found' ;;
esac
fail=0
# Does EUC-JP work at all?
make_input BABA |euc_grep AB && fail=1
# Here are two cases in which a KWSet search matches in the middle
# of a multibyte character. The first ensures that the DFA matcher
# finds the real match at the end of line. The second ensures that
# while the KWSet match found a false positive, the DFA matcher
# determines there is no match after all.
make_input BABAAB |euc_grep AB > out || fail=1
make_input BABAAB > exp || framework_failure_
compare exp out || fail=1
make_input BABABA |returns_ 1 euc_grep AB || fail=1
make_input BABABA |returns_ 1 euc_grep '^x\|AB' || fail=1
# -P supports only unibyte and UTF-8 locales.
returns_ 2 env LC_ALL=$locale grep -P x /dev/null || fail=1
Exit $fail
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