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#!/bin/sh
# similar to euc-mb and fgrep-infloop, but tests SJIS encoding.
# in this encoding, an ASCII character is both a valid single-byte
# character, and a suffix of a valid double-byte character
. "${srcdir=.}/init.sh"; path_prepend_ ../src
# Add "." to PATH for the use of get-mb-cur-max.
path_prepend_ .
require_compiled_in_MB_support
require_timeout_
locale=ja_JP.SHIFT_JIS
# Sequences used in this test ("%" and "@" become 8-bit characters, while "A"
# is the real ASCII character for "A"):
# - "%" becomes an half-width katakana in SJIS, but it is an invalid sequence
# in UTF-8.
# - "@@" and "@A" are both valid sequences in SJIS. We try to fool grep into
# matching "A" against "@A", or mistaking a valid "A" match for the second
# byte of a multi-byte character.
encode() { echo "$1" | tr @% '\203\301'; }
k=0
test_grep_reject() {
k=$(expr $k + 1)
encode "$2" | \
LC_ALL=$locale \
timeout 10s grep $1 $(encode "$3") > out$k 2>&1
test $? = 1 && compare /dev/null out$k
}
test_grep() {
k=$(expr $k + 1)
encode "$2" > exp$k
LC_ALL=$locale \
timeout 10s grep $1 $(encode "$3") exp$k > out$k 2>&1
test $? = 0 && compare exp$k out$k
}
test "$(get-mb-cur-max $locale)" = 2 || skip_ 'SJIS locale not found'
failure_tests=@A
successful_tests='%%AA @AA @A@@A'
fail=0
for i in $successful_tests; do
test_grep -F $i A || fail=1
test_grep -E $i A || fail=1
done
test_grep_reject -F @@ @ || fail=1
test_grep_reject -E @@ @ || fail=1
for i in $failure_tests; do
test_grep_reject -F $i A || fail=1
test_grep_reject -E $i A || fail=1
done
Exit $fail
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