diff --git a/Lib/test/test_dummy_threading.py b/Lib/test/test_dummy_threading.py
--- a/Lib/test/test_dummy_threading.py
+++ b/Lib/test/test_dummy_threading.py
@@ -51,10 +51,21 @@ class DummyThreadingTestCase(unittest.Te
 
         if support.verbose:
             print('waiting for all tasks to complete')
         for t in self.threads:
             t.join()
         if support.verbose:
             print('all tasks done')
 
+    def test_get_ident(self):
+        self.assertEqual(_threading.get_ident(), -1)
+
+    def test_api_mismatch(self):
+        import threading
+        ignore = ('WeakSet', 'BrokenBarrierError', 'TIMEOUT_MAX')
+        mismatch = support.detect_api_mismatch(threading, _threading,
+                                               ignore=ignore)
+        msg = 'dummy_threading does not have all members of the threading API'
+        self.assertEqual(mismatch, set(), msg=msg)
+
 if __name__ == '__main__':
     unittest.main()
diff --git a/Lib/threading.py b/Lib/threading.py
--- a/Lib/threading.py
+++ b/Lib/threading.py
@@ -18,18 +18,23 @@ except ImportError:
 # language. Those original names are not in any imminent danger of
 # being deprecated (even for Py3k),so this module provides them as an
 # alias for the PEP 8 compliant names
 # Note that using the new PEP 8 compliant names facilitates substitution
 # with the multiprocessing module, which doesn't provide the old
 # Java inspired names.
 
 __all__ = ['active_count', 'Condition', 'current_thread', 'enumerate', 'Event',
-           'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Thread', 'Barrier',
-           'Timer', 'ThreadError', 'setprofile', 'settrace', 'local', 'stack_size']
+           'Lock', 'RLock', 'Semaphore', 'BoundedSemaphore', 'Thread',
+           'Barrier', 'Timer', 'ThreadError', 'setprofile', 'settrace',
+           'local', 'stack_size', 'get_ident', 'main_thread',
+           # add deprecated aliases to stay compatible with
+           # dummy_threading module
+           'currentThread', 'activeCount',
+           ]
 
 # Rename some stuff so "from threading import *" is safe
 _start_new_thread = _thread.start_new_thread
 _allocate_lock = _thread.allocate_lock
 _set_sentinel = _thread._set_sentinel
 get_ident = _thread.get_ident
 ThreadError = _thread.error
 try: