mark failing test_ctypes

youknowone · Dec 23, 2025 · Dec 23, 2025 · Dec 23, 2025 · Dec 20, 2025 · Dec 23, 2025
commit 4a352344b6abf257c4050786f2bfd8036da0f715
diff --git a/Lib/test/test_ctypes/test_cast.py b/Lib/test/test_ctypes/test_cast.py
@@ -32,6 +32,8 @@ def test_address2pointer(self):
         ptr = cast(address, POINTER(c_int))
         self.assertEqual([ptr[i] for i in range(3)], [42, 17, 2])
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_p2a_objects(self):
         array = (c_char_p * 5)()
         self.assertEqual(array._objects, None)

diff --git a/Lib/test/test_ctypes/test_dlerror.py b/Lib/test/test_ctypes/test_dlerror.py
@@ -54,6 +54,7 @@ class TestNullDlsym(unittest.TestCase):
     this 'dlsym returned NULL -> throw Error' rule.
     """
 
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
     def test_null_dlsym(self):
         import subprocess
         import tempfile

diff --git a/Lib/test/test_ctypes/test_internals.py b/Lib/test/test_ctypes/test_internals.py
@@ -27,6 +27,8 @@ def test_ints(self):
         self.assertEqual(refcnt, sys.getrefcount(i))
         self.assertEqual(ci._objects, None)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_c_char_p(self):
         s = "Hello, World".encode("ascii")
         refcnt = sys.getrefcount(s)
@@ -62,6 +64,8 @@ class Y(Structure):
         x1.a, x2.b = 42, 93
         self.assertEqual(y._objects, {"0": {}, "1": {}})
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_xxx(self):
         class X(Structure):
             _fields_ = [("a", c_char_p), ("b", c_char_p)]

diff --git a/Lib/test/test_ctypes/test_keeprefs.py b/Lib/test/test_ctypes/test_keeprefs.py
@@ -12,6 +12,8 @@ def test_cint(self):
         x = c_int(99)
         self.assertEqual(x._objects, None)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_ccharp(self):
         x = c_char_p()
         self.assertEqual(x._objects, None)
@@ -33,6 +35,8 @@ class X(Structure):
         x.b = 99
         self.assertEqual(x._objects, None)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_ccharp_struct(self):
         class X(Structure):
             _fields_ = [("a", c_char_p),

diff --git a/Lib/test/test_ctypes/test_objects.py b/Lib/test/test_ctypes/test_objects.py
@@ -58,7 +58,8 @@
 
 
 def load_tests(loader, tests, pattern):
-    tests.addTest(doctest.DocTestSuite())
+    # TODO: RUSTPYTHON - doctest disabled due to null terminator in _objects
+    # tests.addTest(doctest.DocTestSuite())
     return tests
 
 

diff --git a/Lib/test/test_ctypes/test_python_api.py b/Lib/test/test_ctypes/test_python_api.py
@@ -7,6 +7,8 @@
 
 
 class PythonAPITestCase(unittest.TestCase):
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_PyBytes_FromStringAndSize(self):
         PyBytes_FromStringAndSize = pythonapi.PyBytes_FromStringAndSize
 
@@ -57,6 +59,8 @@ def test_PyObj_FromPtr(self):
         del pyobj
         self.assertEqual(sys.getrefcount(s), ref)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_PyOS_snprintf(self):
         PyOS_snprintf = pythonapi.PyOS_snprintf
         PyOS_snprintf.argtypes = POINTER(c_char), c_size_t, c_char_p

diff --git a/Lib/test/test_ctypes/test_random_things.py b/Lib/test/test_ctypes/test_random_things.py
@@ -70,6 +70,8 @@ def test_FloatDivisionError(self):
         with self.expect_unraisable(ZeroDivisionError):
             cb(0.0)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_TypeErrorDivisionError(self):
         cb = CFUNCTYPE(c_int, c_char_p)(callback_func)
         err_msg = "unsupported operand type(s) for /: 'int' and 'bytes'"

diff --git a/Lib/test/test_ctypes/test_values.py b/Lib/test/test_ctypes/test_values.py
@@ -39,13 +39,17 @@ def test_undefined(self):
 class PythonValuesTestCase(unittest.TestCase):
     """This test only works when python itself is a dll/shared library"""
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_optimizeflag(self):
         # This test accesses the Py_OptimizeFlag integer, which is
         # exported by the Python dll and should match the sys.flags value
 
         opt = c_int.in_dll(pythonapi, "Py_OptimizeFlag").value
         self.assertEqual(opt, sys.flags.optimize)
 
+    # TODO: RUSTPYTHON
+    @unittest.expectedFailure
     def test_frozentable(self):
         # Python exports a PyImport_FrozenModules symbol. This is a
         # pointer to an array of struct _frozen entries.  The end of the

diff --git a/Lib/test/test_ctypes/test_win32.py b/Lib/test/test_ctypes/test_win32.py
@@ -17,6 +17,8 @@ class FunctionCallTestCase(unittest.TestCase):
     @unittest.skipUnless('MSC' in sys.version, "SEH only supported by MSC")
     @unittest.skipIf(sys.executable.lower().endswith('_d.exe'),
                      "SEH not enabled in debug builds")
+    # TODO: RUSTPYTHON - SEH not implemented
+    @unittest.skipIf("RustPython" in sys.version, "SEH not implemented in RustPython")
     def test_SEH(self):
         # Disable faulthandler to prevent logging the warning:
         # "Windows fatal exception: access violation"

diff --git a/Lib/test/test_ctypes/test_win32_com_foreign_func.py b/Lib/test/test_ctypes/test_win32_com_foreign_func.py
@@ -158,6 +158,8 @@ class IPersist(IUnknown):
 
         self.assertEqual(0, ppst.Release())
 
+    # TODO: RUSTPYTHON - COM iid parameter handling not implemented
+    @unittest.expectedFailure
     def test_with_paramflags_and_iid(self):
         class IUnknown(c_void_p):
             QueryInterface = proto_query_interface(None, IID_IUnknown)

diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
@@ -430,6 +430,7 @@ def test_WindowsError(self):
 
     @unittest.skipUnless(sys.platform == 'win32',
                          'test specific to Windows')
+    @unittest.expectedFailure  # TODO: RUSTPYTHON
     def test_windows_message(self):
         """Should fill in unknown error code in Windows error message"""
         ctypes = import_module('ctypes')

diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
@@ -939,7 +939,6 @@ def get_file_system(self, path):
                 return buf.value
         # return None if the filesystem is unknown
 
-    @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON; (ModuleNotFoundError: No module named '_ctypes')")
     def test_large_time(self):
         # Many filesystems are limited to the year 2038. At least, the test
         # pass with NTFS filesystem.
@@ -2712,12 +2711,10 @@ def _kill(self, sig):
         os.kill(proc.pid, sig)
         self.assertEqual(proc.wait(), sig)
 
-    @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON; (ModuleNotFoundError: No module named '_ctypes')")
     def test_kill_sigterm(self):
         # SIGTERM doesn't mean anything special, but make sure it works
         self._kill(signal.SIGTERM)
 
-    @unittest.expectedFailureIfWindows("TODO: RUSTPYTHON; (ModuleNotFoundError: No module named '_ctypes')")
     def test_kill_int(self):
         # os.kill on Windows can take an int which gets set as the exit code
         self._kill(100)