def testSmartPointerConversions(self):
# Create Obj.
o = Obj()
self.assertEqual(objCount(), 1)
self.assertEqual(integerCount(), 1)
# Create a shared pointer to an Integer2
integer2 = o.giveSharedPtrToInteger2()
self.assertEqual(integer2.value(), 456)
# pass Smart<Integer2> to a function that accepts Smart<Integer>
r = o.takeSharedPtrToInteger(integer2)
self.assertEqual(r, integer2.value())
def testIntegerSmartPointer(self):
# Uncomment to see more debug info about creation of objects and ref counts.
# Registry.getInstance().setShouldPrint(True)
# Create Obj.
o = Obj()
self.assertEqual(objCount(), 1)
# Create a shared pointer to an Integer together with an Integer.
ptrToInteger = o.giveSharedPtrToInteger()
self.assertEqual(objCount(), 1)
self.assertEqual(integerCount(), 2)
# Get a wrapper to the Integer inside of the shared pointer, integer count should not
# change.
integer = ptrToInteger.data()
self.assertEqual(integerCount(), 2)
integer.m_int = 50
self.assertEqual(integer.m_int, 50)
# Set and get a member value via shared pointer (like operator->).
ptrToInteger.setValue(150)
self.assertEqual(ptrToInteger.value(), 150)
# Set and get a member field via shared pointer (like operator->).
ptrToInteger.m_int = 100
self.assertEqual(ptrToInteger.m_int, 100)
# Pass smart pointer as argument to a method, return value is the value of m_int of
# passed Integer inside the smart pointer.
result = o.takeSharedPtrToInteger(ptrToInteger)
self.assertEqual(result, 100)
# Make a copy of the shared pointer, integer count should not change.
ptrToInteger2 = copy(ptrToInteger)
self.assertEqual(integerCount(), 2)
# Delete the first shared pointer, integer count should not change because the second
# one still has a reference.
del ptrToInteger
self.assertEqual(integerCount(), 2)
# Delete the second smart pointer, integer should be deleted.
del ptrToInteger2
self.assertEqual(objCount(), 1)
self.assertEqual(integerCount(), 1)
# Delete the original object which was used to create the integer.
del o
self.assertEqual(objCount(), 0)
self.assertEqual(integerCount(), 0)