sha1_name.c: get_describe_name() by definition groks only commits

diff --git a/t/t3900-i18n-commit.sh b/t/t3900-i18n-commit.sh
index 1f62c151b0aa63b4c85f9bc76f501d53967b0260..d48a7c002d622ffac5087be9a7998f781a242731 100755 (executable)
--- a/t/t3900-i18n-commit.sh
+++ b/t/t3900-i18n-commit.sh
@@ -34,6 +34,12 @@ test_expect_success 'no encoding header for base case' '
        test z = "z$E"
 '
 
+test_expect_failure 'UTF-16 refused because of NULs' '
+       echo UTF-16 >F &&
+       git commit -a -F "$TEST_DIRECTORY"/t3900/UTF-16.txt
+'
+
+
 for H in ISO8859-1 eucJP ISO-2022-JP
 do
        test_expect_success "$H setup" '