1 file changed, 18 insertions, 0 deletions
diff --git a/tests/t0201-limits.sh b/tests/t0201-limits.sh
index b7d82de6..1ab3ce68 100755
--- a/tests/t0201-limits.sh
+++ b/tests/t0201-limits.sh
@@ -3,6 +3,10 @@
 test_description='Check the ref listing and diff size limits'
 . ./setup.sh
 
+if [ $CGIT_HAS_LUA -eq 1 ]; then
+	test_set_prereq LUA
+fi
+
 # A repo with several branches and tags, one commit with an oversized file
 # diff beside a small one, and configs that pin tiny limits.
 test_expect_success 'set up limit fixtures' '
@@ -96,4 +100,18 @@ test_expect_success 'the single-file page is not limited by max-diff-files' '
 	grep "class=.hunk." tmp
 '
 
+# --- The shipped highlight filter degrades to escaped passthrough -----------
+test_expect_success LUA 'highlight filter passes text through without scintillua' '
+	{
+		echo "virtual-root=/" &&
+		echo "cache-size=0" &&
+		echo "source-filter=lua:$(cd ../../extensions && pwd)/syntax-highlight.lua" &&
+		echo "repo.url=limits" &&
+		echo "repo.path=$PWD/repos/limits/.git"
+	} >hlrc &&
+	CGIT_SCINTILLUA_PATH=/nonexistent CGIT_CONFIG="$PWD/hlrc" \
+		QUERY_STRING="url=limits/tree/small.c" cgit >tmp &&
+	grep "int y;" tmp
+'
+
 test_done