diff options
Diffstat (limited to 'Lib/test/test_capi.py')
| -rw-r--r-- | Lib/test/test_capi.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py index a062a65..f3d41a2 100644 --- a/Lib/test/test_capi.py +++ b/Lib/test/test_capi.py @@ -27,6 +27,8 @@ _testcapi = support.import_module('_testcapi') # Were we compiled --with-pydebug or with #define Py_DEBUG? Py_DEBUG = hasattr(sys, 'gettotalrefcount') +Py_TPFLAGS_METHOD_DESCRIPTOR = 1 << 17 + def testfunction(self): """some doc""" @@ -456,6 +458,28 @@ class TestPendingCalls(unittest.TestCase): self.pendingcalls_wait(l, n) +class TestPEP590(unittest.TestCase): + + def test_method_descriptor_flag(self): + import functools + cached = functools.lru_cache(1)(testfunction) + + self.assertFalse(type(repr).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertTrue(type(list.append).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertTrue(type(list.__add__).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertTrue(type(testfunction).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertTrue(type(cached).__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + + self.assertTrue(_testcapi.MethodDescriptorBase.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertTrue(_testcapi.MethodDescriptorDerived.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + self.assertFalse(_testcapi.MethodDescriptorNopGet.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + + # Heap type should not inherit Py_TPFLAGS_METHOD_DESCRIPTOR + class MethodDescriptorHeap(_testcapi.MethodDescriptorBase): + pass + self.assertFalse(MethodDescriptorHeap.__flags__ & Py_TPFLAGS_METHOD_DESCRIPTOR) + + class SubinterpreterTest(unittest.TestCase): def test_subinterps(self): |