Notimplemented test with win_type

pandas/tests/window/test_win_type.py

@@ -117,3 +117,10 @@ def b(x):
  expected.columns = ["a", "b"]
  result = r.aggregate([a, b])
  tm.assert_frame_equal(result, expected)
+
+
+def test_win_type_with_method_invalid():
+ with pytest.raises(
+ NotImplementedError, match="'column' is the only supported method type."
+ ):
+ Series(range(1)).rolling(1, win_type="triang", method="table")