#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
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## Copyright (C) 2016 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
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## This file is part of the test suite of Qt for Python.
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'''Test cases for a class that holds an arbitraty pointer and is modified to hold an PyObject.'''

import sys
import unittest

from sample import PointerHolder

class TestPointerHolder(unittest.TestCase):
    '''Test cases for a class that holds an arbitraty pointer and is modified to hold an PyObject.'''

    def testStoringAndRetrievingPointer(self):
        ph = PointerHolder('Hello')
        self.assertEqual(ph.pointer(), 'Hello')
        a = (1, 2, 3)
        ph = PointerHolder(a)
        self.assertEqual(ph.pointer(), a)

    def testReferenceCounting(self):
        '''Test reference counting when retrieving data with PointerHolder.pointer().'''
        a = (1, 2, 3)
        refcnt = sys.getrefcount(a)
        ph = PointerHolder(a)
        ptr = ph.pointer()
        self.assertEqual(sys.getrefcount(a), refcnt + 1)

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

