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''' Forced disconnection: Delete one end of the signal connection'''
import unittest
from sys import getrefcount
from PySide.QtCore import QObject, SIGNAL, SLOT
class Dummy(QObject):
def dispatch(self):
self.emit(SIGNAL('foo()'))
class PythonSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = Dummy()
def tearDown(self):
self.emitter
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(getrefcount(cb), 2)
QObject.connect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('foo()'), cb)
self.assertEqual(getrefcount(cb), 2)
class CppSignalRefCount(unittest.TestCase):
def setUp(self):
self.emitter = QObject()
def tearDown(self):
self.emitter
def testRefCount(self):
def cb(*args):
pass
self.assertEqual(getrefcount(cb), 2)
QObject.connect(self.emitter, SIGNAL('destroyed()'), cb)
self.assertEqual(getrefcount(cb), 3)
QObject.disconnect(self.emitter, SIGNAL('destroyed()'), cb)
self.assertEqual(getrefcount(cb), 2)
if __name__ == '__main__':
unittest.main()
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