1 files changed, 56 insertions, 0 deletions
diff --git a/t/t7812-grep-icase-non-ascii.sh b/t/t7812-grep-icase-non-ascii.sh
new file mode 100755
index 000000000000..0c685d35986e
--- /dev/null
+++ b/t/t7812-grep-icase-non-ascii.sh
@@ -0,0 +1,56 @@
+#!/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_done