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#!/usr/bin/env python
#############################################################################
##
## Copyright (C) 2016 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.
##
## $QT_END_LICENSE$
##
#############################################################################
'''Simple test with a blocking C++ method that should allow python
threads to run.'''
import unittest
import threading
from sample import Bucket
class Unlocker(threading.Thread):
def __init__(self, bucket):
threading.Thread.__init__(self)
self.bucket = bucket
def run(self):
while not self.bucket.locked():
pass
self.bucket.unlock()
class MyBucket(Bucket):
def __init__(self):
Bucket.__init__(self)
def virtualBlockerMethod(self):
self.lock()
return True
class TestLockUnlock(unittest.TestCase):
def testBasic(self):
'''Locking in C++ and releasing in a python thread'''
bucket = Bucket()
unlocker = Unlocker(bucket)
unlocker.start()
bucket.lock()
unlocker.join()
def testVirtualBlocker(self):
'''Same as the basic case but blocker method is a C++ virtual called from C++.'''
bucket = Bucket()
unlocker = Unlocker(bucket)
unlocker.start()
result = bucket.callVirtualBlockerMethodButYouDontKnowThis()
unlocker.join()
self.assertTrue(result)
def testReimplementedVirtualBlocker(self):
'''Same as the basic case but blocker method is a C++ virtual reimplemented in Python and called from C++.'''
mybucket = MyBucket()
unlocker = Unlocker(mybucket)
unlocker.start()
result = mybucket.callVirtualBlockerMethodButYouDontKnowThis()
unlocker.join()
self.assertTrue(result)
if __name__ == '__main__':
unittest.main()
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