X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/3b2a7d196bc1984aed194cca26a7900968ce4409..2f3fa1f6d0cbc2a3f31c7440c422da173b068e7b:/tests/test_black.py

diff --git a/tests/test_black.py b/tests/test_black.py
index f25db1b..beb56cf 100644
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -805,6 +805,10 @@ class BlackTestCase(BlackBaseTestCase):
         self.assertEqual(black.get_features_used(node), set())
         node = black.lib2to3_parse(expected)
         self.assertEqual(black.get_features_used(node), set())
+        node = black.lib2to3_parse("lambda a, /, b: ...")
+        self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS})
+        node = black.lib2to3_parse("def fn(a, /, b): ...")
+        self.assertEqual(black.get_features_used(node), {Feature.POS_ONLY_ARGUMENTS})
 
     def test_get_future_imports(self) -> None:
         node = black.lib2to3_parse("\n")