diff --git a/tests/test_debug.py b/tests/test_debug.py
index a15852449..50173f54c 100644
--- a/tests/test_debug.py
+++ b/tests/test_debug.py
@@ -82,3 +82,8 @@ def test_local_extraction(self):
             'l_0_baz': missing,
         })
         assert locals == {'foo': 13, 'bar': 99}
+
+    def test_debug_info_contains_all_debuginfo(self, fs_env):
+        tmpl = fs_env.get_template('loop.html')
+        di = tmpl.debug_info
+        assert len(di) == 5