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Don't remove single empty lines outside of bracketed expressions
[etc/vim.git] / tests / test_black.py
index 225ece6f474e5f66ff7efdc17da8e9f906e516f0..ee883ec011d1be2ea9015cc48fdbe95843a358e4 100644 (file)
@@ -171,6 +171,14 @@ class BlackTestCase(unittest.TestCase):
         black.assert_equivalent(source, actual)
         black.assert_stable(source, actual, line_length=ll)
 
+    @patch("black.dump_to_file", dump_to_stderr)
+    def test_empty_lines(self) -> None:
+        source, expected = read_data('empty_lines')
+        actual = fs(source)
+        self.assertFormatEqual(expected, actual)
+        black.assert_equivalent(source, actual)
+        black.assert_stable(source, actual, line_length=ll)
+
     def test_report(self) -> None:
         report = black.Report()
         out_lines = []