def testBlackBoxReleasingUnknownObjectType(self):
'''Asks BlackBox to release an unknown ObjectType.'''
o1 = ObjectType()
o2 = ObjectType()
bb = BlackBox()
o1_ticket = bb.keepObjectType(o1)
o3 = bb.retrieveObjectType(-5)
self.assertEqual(o3, None)
def testOwnershipTransference(self):
'''Ownership transference from Python to C++ and back again.'''
o1 = ObjectType()
o1.setObjectName('object1')
o1_refcnt = sys.getrefcount(o1)
o2 = ObjectType()
o2.setObjectName('object2')
o2_refcnt = sys.getrefcount(o2)
bb = BlackBox()
o1_ticket = bb.keepObjectType(o1)
o2_ticket = bb.keepObjectType(o2)
self.assertEqual(set(bb.objects()), set([o1, o2]))
self.assertEqual(str(o1.objectName()), 'object1')
self.assertEqual(str(o2.objectName()), 'object2')
self.assertEqual(sys.getrefcount(o1), o1_refcnt + 1) # PySide give +1 ref to object with c++ ownership
self.assertEqual(sys.getrefcount(o2), o2_refcnt + 1)
o2 = bb.retrieveObjectType(o2_ticket)
self.assertEqual(sys.getrefcount(o2), o2_refcnt)
del bb
self.assertRaises(RuntimeError, o1.objectName)
self.assertEqual(str(o2.objectName()), 'object2')
self.assertEqual(sys.getrefcount(o2), o2_refcnt)
