#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
#############################################################################
##
## Copyright (C) 2021 The Qt Company Ltd.
## Contact: https://www.qt.io/licensing/
##
## This file is part of the test suite of Qt for Python.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
## Commercial License Usage
## Licensees holding valid commercial Qt licenses may use this file in
## accordance with the commercial license agreement provided with the
## Software or, alternatively, in accordance with the terms contained in
## a written agreement between you and The Qt Company. For licensing terms
## and conditions see https://www.qt.io/terms-conditions. For further
## information use the contact form at https://www.qt.io/contact-us.
##
## GNU General Public License Usage
## Alternatively, this file may be used under the terms of the GNU
## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
## included in the packaging of this file. Please review the following
## information to ensure the GNU General Public License requirements will
## be met: https://www.gnu.org/licenses/gpl-3.0.html.
##
## $QT_END_LICENSE$
##
#############################################################################

'''Test deallocation of type extended in Python.'''

import gc
import os
import sys
import unittest
import weakref

from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from shiboken_paths import init_paths
init_paths()

from sample import Point


class TypeDeallocTest(unittest.TestCase):

    def setUp(self):
        self.called = False

    def tearDown(self):
        del self.called
        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
        gc.collect()

    def callback(self, *args):
        self.called = True

    def testScopeEnd(self):
        ref = None
        def scope():
            class Ext(Point):
                pass
            o = Ext()
            global ref
            ref = weakref.ref(Ext, self.callback)
        scope()
        gc.collect()
        self.assertTrue(self.called)

    def testDeleteType(self):
        class Ext(Point):
            pass
        ref = weakref.ref(Ext, self.callback)
        del Ext
        gc.collect()
        self.assertTrue(self.called)


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

