[pygobject] tests: Add test for an owned boxed struct passed in a callback

[Mike Gorse <mgorse src gnome org>]

commit e79d2acc54c1e3b052835de5de20feb0b7069476
Author: Mike Gorse <mgorse suse com>
Date:   Fri Jan 24 05:17:06 2014 -0600

    tests: Add test for an owned boxed struct passed in a callback
    
    https://bugzilla.gnome.org/show_bug.cgi?id=722899

 tests/test_gi.py |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/tests/test_gi.py b/tests/test_gi.py
index 3af086d..8bd4027 100644
--- a/tests/test_gi.py
+++ b/tests/test_gi.py
@@ -2266,6 +2266,17 @@ class TestPythonGObject(unittest.TestCase):
         obj = self.ErrorObject()
         self.assertEqual(obj.vfunc_return_value_only(), 0)
 
+    def test_callback_owned_box(self):
+        def callback(box, data):
+            self.box = box
+
+        def nop_callback(box, data):
+            pass
+
+        GIMarshallingTests.callback_owned_boxed(callback, None)
+        GIMarshallingTests.callback_owned_boxed(nop_callback, None)
+        self.assertEqual(self.box.long_, 1)
+
 
 class TestMultiOutputArgs(unittest.TestCase):