def testReferenceCounting(self):
'''Tests reference count of model-like object referred by view-like objects.'''
model1 = ObjectModel()
refcount1 = getrefcount(model1)
view1 = ObjectView()
view1.setModel(model1)
self.assertEqual(getrefcount(view1.model()), refcount1 + 1)
view2 = ObjectView()
view2.setModel(model1)
self.assertEqual(getrefcount(view2.model()), refcount1 + 2)
model2 = ObjectModel()
view2.setModel(model2)
self.assertEqual(getrefcount(view1.model()), refcount1 + 1)
def testReferenceCounting(self):
"""Tests reference count of model-like object referred by view-like objects."""
model1 = ObjectModel()
refcount1 = getrefcount(model1)
view1 = ObjectView()
view1.setModel(model1)
self.assertEqual(getrefcount(view1.model()), refcount1 + 1)
view2 = ObjectView()
view2.setModel(model1)
self.assertEqual(getrefcount(view2.model()), refcount1 + 2)
model2 = ObjectModel()
view2.setModel(model2)
self.assertEqual(getrefcount(view1.model()), refcount1 + 1)
def testReferreedObjectSurvivalAfterContextEnd(self):
'''Model-like object assigned to a view-like object must survive after get out of context.'''
def createModelAndSetToView(view):
model = ObjectModel()
model.setObjectName('created model')
view.setModel(model)
view = ObjectView()
createModelAndSetToView(view)
model = view.model()
def testReferreedObjectSurvivalAfterContextEnd(self):
'''Model-like object assigned to a view-like object must survive after get out of context.'''
def createModelAndSetToView(view):
model = ObjectModel()
model.setObjectName('created model')
view.setModel(model)
view = ObjectView()
createModelAndSetToView(view)
model = view.model()
def testReferenceCountingWhenDeletingReferrer(self):
'''Tests reference count of model-like object referred by deceased view-like object.'''
model = ObjectModel()
refcount1 = getrefcount(model)
view = ObjectView()
view.setModel(model)
self.assertEqual(getrefcount(view.model()), refcount1 + 1)
del view
self.assertEqual(getrefcount(model), refcount1)
def testReferenceCountingWhenDeletingReferrer(self):
"""Tests reference count of model-like object referred by deceased view-like object."""
model = ObjectModel()
refcount1 = getrefcount(model)
view = ObjectView()
view.setModel(model)
self.assertEqual(getrefcount(view.model()), refcount1 + 1)
del view
self.assertEqual(getrefcount(model), refcount1)
