def test_floating_and_sunk(self):
# Upon creation, the refcount of the object should be 2:
# - someone already has a reference on the new object.
# - the python wrapper should hold its own reference.
obj = testhelper.FloatingAndSunk()
self.assertEqual(obj.__grefcount__, 2)
# We ask the library to release its reference, so the only
# remaining ref should be our wrapper's. Once the wrapper
# will run out of scope, the object will get finalized.
obj.release()
self.assertEqual(obj.__grefcount__, 1)
def test_floating_and_sunk_out_of_scope(self):
obj = testhelper.FloatingAndSunk()
self.assertEqual(obj.__grefcount__, 2)
# We are manually taking the object out of scope. This means
# that our wrapper has been freed, and its reference dropped. We
# cannot check it but the refcount should now be 1 (the ref held
# by the library is still there, we didn't call release()
obj = None
# When we get the object back from the lib, the wrapper is
# re-created, so our refcount will be 2 once again.
obj = testhelper.floating_and_sunk_get_instance_list()[0]
self.assertEqual(obj.__grefcount__, 2)
obj.release()
self.assertEqual(obj.__grefcount__, 1)