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Diffstat (limited to 'Lib/test/test_descr.py')
| -rw-r--r-- | Lib/test/test_descr.py | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py index cb13ff2e06..b3336d1fc8 100644 --- a/Lib/test/test_descr.py +++ b/Lib/test/test_descr.py @@ -3586,6 +3586,13 @@ def test_mutable_bases(): raise TestFailed, "shouldn't be able to create inheritance cycles" try: + D.__bases__ = (C, C) + except TypeError: + pass + else: + raise TestFailed, "didn't detect repeated base classes" + + try: D.__bases__ = (E,) except TypeError: pass |