Fix comments getting removed from inside parenthesized strings (#3909)

[etc/vim.git] / tests / test_trans.py

diff --git a/tests/test_trans.py b/tests/test_trans.py
index a1666a9c1669b7631db79aeb94478ed0757b0d1a..784e852e12a53f1b47faea654e9a208347a8c2ea 100644 (file)
--- a/tests/test_trans.py
+++ b/tests/test_trans.py
@@ -1,4 +1,5 @@
 from typing import List, Tuple
+
 from black.trans import iter_fexpr_spans
 
 
@@ -12,7 +13,7 @@ def test_fexpr_spans() -> None:
         # a glance than only spans
         assert len(spans) == len(expected_slices)
         for (i, j), slice in zip(spans, expected_slices):
-            assert len(string[i:j]) == j - i
+            assert 0 <= i <= j <= len(string)
             assert string[i:j] == slice
 
         assert spans == expected_spans