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""" Unittest for bug #576 """
""" http://bugs.openbossa.org/show_bug.cgi?id=576 """
from PySide import QtGui, QtCore
import sys
import unittest
class Bug576(unittest.TestCase):
def onButtonDestroyed(self, button):
self._destroyed = True
self.assert_(isinstance(button, QtGui.QPushButton))
def testWidgetParent(self):
self._destroyed = False
app = QtGui.QApplication(sys.argv)
w = QtGui.QWidget()
b = QtGui.QPushButton("test")
b.destroyed[QtCore.QObject].connect(self.onButtonDestroyed)
self.assertEqual(sys.getrefcount(b), 2)
b.setParent(w)
self.assertEqual(sys.getrefcount(b), 3)
b.parent()
self.assertEqual(sys.getrefcount(b), 3)
b.setParent(None)
self.assertEqual(sys.getrefcount(b), 2)
del b
self.assert_(self._destroyed)
if __name__ == '__main__':
unittest.main()
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