Don't pass None to callbacks when user data is not specified

For APIs which support a callback and optional user data,
don't pass the user data to the callback if it was not explicitly
specified when the callback was connected.

https://bugzilla.gnome.org/show_bug.cgi?id=640812

1 files changed, 2 insertions, 5 deletions

diff --git a/tests/test_everything.py b/tests/test_everything.py
index 0c6533a8..ab1fc487 100644
--- a/tests/test_everything.py
+++ b/tests/test_everything.py
@@ -717,12 +717,10 @@ class TestCallbacks(unittest.TestCase):
 
         self.assertEqual(TestCallbacks.called, 100)
 
-    def test_callback_userdata_none_default_arg(self):
+    def test_callback_userdata_no_user_data(self):
         TestCallbacks.called = 0
-        userdata_list = []
 
-        def callback(userdata):
-            userdata_list.append(userdata)
+        def callback():
             TestCallbacks.called += 1
             return TestCallbacks.called
 
@@ -731,7 +729,6 @@ class TestCallbacks(unittest.TestCase):
             self.assertEqual(val, i + 1)
 
         self.assertEqual(TestCallbacks.called, 100)
-        self.assertSequenceEqual(userdata_list, [None] * 100)
 
     def test_async_ready_callback(self):
         TestCallbacks.called = False