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import unittest
import sys
from helper import UsesQApplication
from PySide.QtCore import QObject, QEvent
from PySide.QtGui import QWidget
class MyFilter(QObject):
def eventFilter(self, obj, event):
if event.type() == QEvent.KeyPress:
pass
return QObject.eventFilter(self, obj, event)
class EventFilter(UsesQApplication):
def testRefCount(self):
o = QObject()
filt = MyFilter()
o.installEventFilter(filt)
self.assertEqual(sys.getrefcount(o), 2)
o.installEventFilter(filt)
self.assertEqual(sys.getrefcount(o), 2)
o.removeEventFilter(filt)
self.assertEqual(sys.getrefcount(o), 2)
def testObjectDestructorOrder(self):
w = QWidget()
filt = MyFilter()
filt.app = self.app
w.installEventFilter(filt)
w.show()
w.close()
w = None
self.assert_(True)
if __name__ == '__main__':
unittest.main()
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