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git/t/t7812-grep-icase-non-ascii.sh
Todd Zullinger e714b898c6 t7812: expect failure for grep -i with invalid UTF-8 data
When the 'grep with invalid UTF-8 data' tests were added/adjusted in
8a5999838e (grep: stess test PCRE v2 on invalid UTF-8 data, 2019-07-26)
and 870eea8166 (grep: do not enter PCRE2_UTF mode on fixed matching,
2019-07-26) they lacked a redirect which caused them to falsely succeed
on most systems.  The 'grep -i' test failed on systems where JIT was
disabled as it never reached the portion which was missing the redirect.

A recent patch added the missing redirect and exposed the fact that the
'PCRE v2: grep non-ASCII from invalid UTF-8 data with -i' test fails
regardless of whether JIT is enabled.

Based on the final paragraph in in 870eea8166:

    When grepping a non-ASCII fixed string. This is a more general problem
    that's hard to fix, but we can at least fix the most common case of
    grepping for a fixed string without "-i". I can't think of a reason
    for why we'd turn on PCRE2_UTF when matching byte-for-byte like that.

it seems that we don't expect that the case-insensitive grep will
succeed.  Adjust the test to reflect that expectation.

Signed-off-by: Todd Zullinger <tmz@pobox.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2019-12-01 22:09:07 -08:00

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#!/bin/sh
test_description='grep icase on non-English locales'
. ./lib-gettext.sh
test_expect_success GETTEXT_LOCALE 'setup' '
test_write_lines "TILRAUN: Halló Heimur!" >file &&
git add file &&
LC_ALL="$is_IS_locale" &&
export LC_ALL
'
test_have_prereq GETTEXT_LOCALE &&
test-tool regex "HALLÓ" "Halló" ICASE &&
test_set_prereq REGEX_LOCALE
test_expect_success REGEX_LOCALE 'grep literal string, no -F' '
git grep -i "TILRAUN: Halló Heimur!" &&
git grep -i "TILRAUN: HALLÓ HEIMUR!"
'
test_expect_success GETTEXT_LOCALE,PCRE 'grep pcre utf-8 icase' '
git grep --perl-regexp "TILRAUN: H.lló Heimur!" &&
git grep --perl-regexp -i "TILRAUN: H.lló Heimur!" &&
git grep --perl-regexp -i "TILRAUN: H.LLÓ HEIMUR!"
'
test_expect_success GETTEXT_LOCALE,PCRE 'grep pcre utf-8 string with "+"' '
test_write_lines "TILRAUN: Hallóó Heimur!" >file2 &&
git add file2 &&
git grep -l --perl-regexp "TILRAUN: H.lló+ Heimur!" >actual &&
echo file >expected &&
echo file2 >>expected &&
test_cmp expected actual
'
test_expect_success REGEX_LOCALE 'grep literal string, with -F' '
git grep -i -F "TILRAUN: Halló Heimur!" &&
git grep -i -F "TILRAUN: HALLÓ HEIMUR!"
'
test_expect_success REGEX_LOCALE 'grep string with regex, with -F' '
test_write_lines "TILRAUN: Halló Heimur [abc]!" >file3 &&
git add file3 &&
git grep -i -F "TILRAUN: Halló Heimur [abc]!" file3
'
test_expect_success REGEX_LOCALE 'pickaxe -i on non-ascii' '
git commit -m first &&
git log --format=%f -i -S"TILRAUN: HALLÓ HEIMUR!" >actual &&
echo first >expected &&
test_cmp expected actual
'
test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: setup invalid UTF-8 data' '
printf "\\200\\n" >invalid-0x80 &&
echo "ævar" >expected &&
cat expected >>invalid-0x80 &&
git add invalid-0x80
'
test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep ASCII from invalid UTF-8 data' '
git grep -h "var" invalid-0x80 >actual &&
test_cmp expected actual &&
git grep -h "(*NO_JIT)var" invalid-0x80 >actual &&
test_cmp expected actual
'
test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep non-ASCII from invalid UTF-8 data' '
git grep -h "æ" invalid-0x80 >actual &&
test_cmp expected actual &&
git grep -h "(*NO_JIT)æ" invalid-0x80 >actual &&
test_cmp expected actual
'
test_expect_success GETTEXT_LOCALE,LIBPCRE2 'PCRE v2: grep non-ASCII from invalid UTF-8 data with -i' '
test_might_fail git grep -hi "Æ" invalid-0x80 >actual &&
if test -s actual
then
test_cmp expected actual
fi &&
test_must_fail git grep -hi "(*NO_JIT)Æ" invalid-0x80 >actual &&
! test_cmp expected actual
'
test_done