diff options
| -rw-r--r-- | Lib/test/test_fstring.py | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/Lib/test/test_fstring.py b/Lib/test/test_fstring.py index be71fde5aa..58e2550715 100644 --- a/Lib/test/test_fstring.py +++ b/Lib/test/test_fstring.py @@ -980,11 +980,18 @@ x = ( self.assertEqual(fr'\"\'\"\'', '\\"\\\'\\"\\\'') def test_fstring_backslash_before_double_bracket(self): - self.assertEqual(f'\{{\}}', '\\{\\}') - self.assertEqual(f'\{{', '\\{') - self.assertEqual(f'\{{{1+1}', '\\{2') - self.assertEqual(f'\}}{1+1}', '\\}2') - self.assertEqual(f'{1+1}\}}', '2\\}') + deprecated_cases = [ + (r"f'\{{\}}'", '\\{\\}'), + (r"f'\{{'", '\\{'), + (r"f'\{{{1+1}'", '\\{2'), + (r"f'\}}{1+1}'", '\\}2'), + (r"f'{1+1}\}}'", '2\\}') + ] + for case, expected_result in deprecated_cases: + with self.subTest(case=case, expected_result=expected_result): + with self.assertWarns(DeprecationWarning): + result = eval(case) + self.assertEqual(result, expected_result) self.assertEqual(fr'\{{\}}', '\\{\\}') self.assertEqual(fr'\{{', '\\{') self.assertEqual(fr'\{{{1+1}', '\\{2') |