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## Copyright (C) 2016 The Qt Company Ltd.
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## This file is part of the test suite of PySide2.
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import sys
import unittest
from PySide2 import QtCore

class MyObject(QtCore.QObject):
    def __init__(self, other=None):
        QtCore.QObject.__init__(self, None)
        self._o = other

class TestDestructor(unittest.TestCase):
    def testReference(self):
        o = QtCore.QObject()
        m = MyObject(o)
        self.assertEqual(sys.getrefcount(o), 3)
        del m
        self.assertEqual(sys.getrefcount(o), 2)

if __name__ == '__main__':
    unittest.main()