1 files changed, 12 insertions, 0 deletions
diff --git a/Lib/test/test_threading.py b/Lib/test/test_threading.py
index 5f99b2e..c107652 100644
--- a/Lib/test/test_threading.py
+++ b/Lib/test/test_threading.py
@@ -427,6 +427,14 @@ class ThreadTests(BaseTestCase):
         t.daemon = True
         self.assertTrue('daemon' in repr(t))
 
+    def test_deamon_param(self):
+        t = threading.Thread()
+        self.assertFalse(t.daemon)
+        t = threading.Thread(daemon=False)
+        self.assertFalse(t.daemon)
+        t = threading.Thread(daemon=True)
+        self.assertTrue(t.daemon)
+
 
 class ThreadJoinOnShutdown(BaseTestCase):
 
@@ -677,6 +685,10 @@ class ThreadingExceptionTests(BaseTestCase):
         thread.start()
         self.assertRaises(RuntimeError, setattr, thread, "daemon", True)
 
+    def test_releasing_unacquired_lock(self):
+        lock = threading.Lock()
+        self.assertRaises(RuntimeError, lock.release)
+
 
 class LockTests(lock_tests.LockTests):
     locktype = staticmethod(threading.Lock)