diff options
Diffstat (limited to 'Lib/test/test_abc.py')
| -rw-r--r-- | Lib/test/test_abc.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/Lib/test/test_abc.py b/Lib/test/test_abc.py index c53dceacbd..f1c0c3b79f 100644 --- a/Lib/test/test_abc.py +++ b/Lib/test/test_abc.py @@ -7,6 +7,7 @@ import unittest from test import test_support import abc +from inspect import isabstract class TestABC(unittest.TestCase): @@ -43,19 +44,23 @@ class TestABC(unittest.TestCase): def bar(self): pass # concrete self.assertEqual(C.__abstractmethods__, set(["foo"])) self.assertRaises(TypeError, C) # because foo is abstract + self.assert_(isabstract(C)) class D(C): def bar(self): pass # concrete override of concrete self.assertEqual(D.__abstractmethods__, set(["foo"])) self.assertRaises(TypeError, D) # because foo is still abstract + self.assert_(isabstract(D)) class E(D): def foo(self): pass self.assertEqual(E.__abstractmethods__, set()) E() # now foo is concrete, too + self.failIf(isabstract(E)) class F(E): @abstractthing def bar(self): pass # abstract override of concrete self.assertEqual(F.__abstractmethods__, set(["bar"])) self.assertRaises(TypeError, F) # because bar is abstract now + self.assert_(isabstract(F)) def test_subclass_oldstyle_class(self): class A: |