grep: add a test asserting that --perl-regexp dies when !PCRE

diff --git a/t/t7812-grep-icase-non-ascii.sh b/t/t7812-grep-icase-non-ascii.sh
index 169fd8d7065f89ce78f5241eeb7bf376c3f3172d..04a61cb8e0d750e59414b231281830cf2545c996 100755 (executable)
--- a/t/t7812-grep-icase-non-ascii.sh
+++ b/t/t7812-grep-icase-non-ascii.sh
@@ -20,13 +20,13 @@ test_expect_success REGEX_LOCALE 'grep literal string, no -F' '
        git grep -i "TILRAUN: HALLÓ HEIMUR!"
 '
 
-test_expect_success GETTEXT_LOCALE,LIBPCRE 'grep pcre utf-8 icase' '
+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,LIBPCRE 'grep pcre utf-8 string with "+"' '
+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 &&