From f6a8a4267039a31c0368b4eefb9d39b5cc663d49 Mon Sep 17 00:00:00 2001
From: Donald Buczek <buczek@molgen.mpg.de>
Date: Sun, 2 Jun 2024 16:15:27 +0200
Subject: [PATCH] test_parser: Add tests for empty keywordsets

---
 test_parser.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/test_parser.c b/test_parser.c
index 1c56638b..bb1248b7 100644
--- a/test_parser.c
+++ b/test_parser.c
@@ -68,6 +68,11 @@ int main() {
 
     keywordset_free(tags);
 
+    tags = keywordset_new("x");
+    test_expression(tags, "bla", 0, 0);
+    test_expression(tags, "!bla", 0, 1);
+    keywordset_free(tags);
+
     static char text[8002];
     text[8001] = 0;
     memset(text, '(', 8000);