X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/957ba24bb6cdd32e4dd14ff2808dcf4d58851844..1fbf7251ccdb58ba93301622388615633ecc348a:/tests/test_black.py

diff --git a/tests/test_black.py b/tests/test_black.py
index 88c03d0..828b3e4 100644
--- a/tests/test_black.py
+++ b/tests/test_black.py
@@ -264,6 +264,14 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, black.FileMode())
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_function_trailing_comma(self) -> None:
+        source, expected = read_data("function_trailing_comma")
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, black.FileMode())
+
     @patch("black.dump_to_file", dump_to_stderr)
     def test_expression(self) -> None:
         source, expected = read_data("expression")