diff options
Diffstat (limited to 'Lib/test/test_abc.py')
| -rw-r--r-- | Lib/test/test_abc.py | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/Lib/test/test_abc.py b/Lib/test/test_abc.py index e6c84154fe..884dd322b4 100644 --- a/Lib/test/test_abc.py +++ b/Lib/test/test_abc.py @@ -56,10 +56,18 @@ class TestABC(unittest.TestCase): self.assertEqual(F.__abstractmethods__, {"bar"}) self.assertRaises(TypeError, F) # because bar is abstract now + def test_subclass_oldstyle_class(self): + class A: + __metaclass__ = abc.ABCMeta + class OldstyleClass: + pass + self.assertFalse(issubclass(OldstyleClass, A)) + self.assertFalse(issubclass(A, OldstyleClass)) + def test_registration_basics(self): class A(metaclass=abc.ABCMeta): pass - class B: + class B(object): pass b = B() self.assertEqual(issubclass(B, A), False) @@ -94,7 +102,7 @@ class TestABC(unittest.TestCase): class A1(A): pass self.assertRaises(RuntimeError, A1.register, A) # cycles not allowed - class B: + class B(object): pass A1.register(B) # ok A1.register(B) # should pass silently @@ -135,7 +143,7 @@ class TestABC(unittest.TestCase): def test_all_new_methods_are_called(self): class A(metaclass=abc.ABCMeta): pass - class B: + class B(object): counter = 0 def __new__(cls): B.counter += 1 |