1 files changed, 33 insertions, 2 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index abe63c10c0a..0e51e7fc8c5 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -1352,6 +1352,35 @@ class ThreadTests(BaseTestCase):
         ''')
         assert_python_ok("-c", script)
 
+    @skip_unless_reliable_fork
+    @unittest.skipUnless(hasattr(threading, 'get_native_id'), "test needs threading.get_native_id()")
+    def test_native_id_after_fork(self):
+        script = """if True:
+            import threading
+            import os
+            from test import support
+
+            parent_thread_native_id = threading.current_thread().native_id
+            print(parent_thread_native_id, flush=True)
+            assert parent_thread_native_id == threading.get_native_id()
+            childpid = os.fork()
+            if childpid == 0:
+                print(threading.current_thread().native_id, flush=True)
+                assert threading.current_thread().native_id == threading.get_native_id()
+            else:
+                try:
+                    assert parent_thread_native_id == threading.current_thread().native_id
+                    assert parent_thread_native_id == threading.get_native_id()
+                finally:
+                    support.wait_process(childpid, exitcode=0)
+            """
+        rc, out, err = assert_python_ok('-c', script)
+        self.assertEqual(rc, 0)
+        self.assertEqual(err, b"")
+        native_ids = out.strip().splitlines()
+        self.assertEqual(len(native_ids), 2)
+        self.assertNotEqual(native_ids[0], native_ids[1])
+
 class ThreadJoinOnShutdown(BaseTestCase):
 
     def _run_and_join(self, script):
@@ -2137,8 +2166,7 @@ class CRLockTests(lock_tests.RLockTests):
         ]
         for args, kwargs in arg_types:
             with self.subTest(args=args, kwargs=kwargs):
-                with self.assertWarns(DeprecationWarning):
-                    threading.RLock(*args, **kwargs)
+                self.assertRaises(TypeError, threading.RLock, *args, **kwargs)
 
         # Subtypes with custom `__init__` are allowed (but, not recommended):
         class CustomRLock(self.locktype):
@@ -2156,6 +2184,9 @@ class ConditionAsRLockTests(lock_tests.RLockTests):
     # Condition uses an RLock by default and exports its API.
     locktype = staticmethod(threading.Condition)
 
+    def test_constructor_noargs(self):
+        self.skipTest("Condition allows positional arguments")
+
     def test_recursion_count(self):
         self.skipTest("Condition does not expose _recursion_count()")