#!/usr/bin/python

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## This file is part of the test suite of Qt for Python.
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import os
import sys
from sys import getrefcount
import unittest

sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
from init_paths import init_test_paths
init_test_paths(False)

from PySide2.QtCore import QObject, SIGNAL

class SignalManagerRefCount(unittest.TestCase):
    """Simple test case to check if the signal_manager is erroneously incrementing the object refcounter"""

    def testObjectRefcount(self):
        """Emission of QObject.destroyed() to a python slot"""
        def callback():
            pass
        obj = QObject()
        refcount = getrefcount(obj)
        QObject.connect(obj, SIGNAL('destroyed()'), callback)
        self.assertEqual(refcount, getrefcount(obj))
        QObject.disconnect(obj, SIGNAL('destroyed()'), callback)
        self.assertEqual(refcount, getrefcount(obj))

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

