From: Collin Funk <collin.funk1@gmail.com>
Date: Sat, 29 Nov 2025 05:28:21 +0000 (-0800)
Subject: tests: tac: test --separator with invalid UTF-8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d1d311e7a244b908833fdae2f84fb5a613c055c7;p=thirdparty%2Fcoreutils.git

tests: tac: test --separator with invalid UTF-8

* tests/tac/tac-locale.sh: Test that a string containing invalid UTF-8
characters can be used for --separator.
---

diff --git a/tests/tac/tac-locale.sh b/tests/tac/tac-locale.sh
index 2bb6e404c2..f6383c2daa 100755
--- a/tests/tac/tac-locale.sh
+++ b/tests/tac/tac-locale.sh
@@ -38,6 +38,8 @@ export LC_ALL=$LOCALE_FR_UTF8
 if test "$(locale charmap 2>/dev/null)" = UTF-8; then
   check_separator '\u0434'  # д
   check_separator '\u0434\u0436'  # дж
+  # invalid UTF8|unpaired surrogate|C1 control|noncharacter
+  check_separator '\xC3|\xED\xBA\xAD|\u0089|\xED\xA6\xBF\xED\xBF\xBF'
 fi
 
 Exit $fail