def testOwnershipTransference(self):
'''Ownership transference from Python to C++ and back again.'''
p1 = Point(10, 20)
bb = BlackBox()
p1_ticket = bb.keepPoint(p1)
self.assertRaises(RuntimeError, p1.x)
p1_ret = bb.retrievePoint(p1_ticket)
self.assertEqual(p1_ret, Point(10, 20))
def testOwnershipTransferenceCppCreated(self):
'''Ownership transference using a C++ created object.'''
o1 = ObjectType.create()
o1.setObjectName('object1')
o1_refcnt = sys.getrefcount(o1)
bb = BlackBox()
o1_ticket = bb.keepObjectType(o1)
self.assertRaises(RuntimeError, o1.objectName)
def testOwnershipTransference(self):
'''Ownership transference from Python to C++ and back again.'''
p1 = Point(10, 20)
bb = BlackBox()
p1_ticket = bb.keepPoint(p1)
self.assertRaises(RuntimeError, p1.x)
p1_ret = bb.retrievePoint(p1_ticket)
self.assertEqual(p1_ret, Point(10, 20))
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)
def testInvalidateParent(self):
'''Invalidate parent should invalidate children'''
parent = ObjectType.create()
child1 = ObjectType(parent)
child1.setObjectName("child1")
child2 = ObjectType.create()
child2.setObjectName("child2")
child2.setParent(parent)
grandchild1 = ObjectType(child1)
grandchild1.setObjectName("grandchild1")
grandchild2 = ObjectType.create()
grandchild2.setObjectName("grandchild2")
grandchild2.setParent(child2)
bbox = BlackBox()
bbox.keepObjectType(parent) # Should invalidate the parent
self.assertRaises(RuntimeError, parent.objectName)
# some children still valid they are wrapper classes
self.assertEqual(child1.objectName(), "child1")
self.assertRaises(RuntimeError, child2.objectName)
self.assertEqual(grandchild1.objectName(), "grandchild1")
self.assertRaises(RuntimeError, grandchild2.objectName)
def testInvalidateParent(self):
'''Invalidate parent should invalidate children'''
parent = ObjectType.create()
child1 = ObjectType(parent)
child1.setObjectName("child1")
child2 = ObjectType.create()
child2.setObjectName("child2")
child2.setParent(parent)
grandchild1 = ObjectType(child1)
grandchild1.setObjectName("grandchild1")
grandchild2 = ObjectType.create()
grandchild2.setObjectName("grandchild2")
grandchild2.setParent(child2)
bbox = BlackBox()
bbox.keepObjectType(parent) # Should invalidate the parent
self.assertRaises(RuntimeError, parent.objectName)
# some children still valid they are wrapper classes
self.assertEqual(child1.objectName(), "child1")
self.assertRaises(RuntimeError, child2.objectName)
self.assertEqual(grandchild1.objectName(), "grandchild1")
self.assertRaises(RuntimeError, grandchild2.objectName)
def testInvalidateChild(self):
'''Invalidating method call should remove child from the care of a parent if it has one.'''
parent = ObjectType()
child1 = ObjectType(parent)
child1.setObjectName('child1')
child2 = ObjectType.create()
child2.setParent(parent)
child2.setObjectName('child2')
self.assertEqual(parent.children(), [child1, child2])
bbox = BlackBox()
# This method steals ownership from Python to C++.
bbox.keepObjectType(child1)
self.assertEqual(parent.children(), [child2])
bbox.keepObjectType(child2)
self.assertEqual(parent.children(), [])
del parent
self.assertEqual(child1.objectName(), 'child1')
self.assertRaises(RuntimeError, child2.objectName)
def testInvalidateChild(self):
'''Invalidating method call should remove child from the care of a parent if it has one.'''
parent = ObjectType()
child1 = ObjectType(parent)
child1.setObjectName('child1')
child2 = ObjectType.create()
child2.setParent(parent)
child2.setObjectName('child2')
self.assertEqual(parent.children(), [child1, child2])
bbox = BlackBox()
# This method steals ownership from Python to C++.
bbox.keepObjectType(child1)
self.assertEqual(parent.children(), [child2])
bbox.keepObjectType(child2)
self.assertEqual(parent.children(), [])
del parent
self.assertEqual(child1.objectName(), 'child1')
self.assertRaises(RuntimeError, child2.objectName)
