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#############################################################################
##
## 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.
##
## $QT_END_LICENSE$
##
#############################################################################
import os
import sys
import unittest
import weakref
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 import QtWidgets
from PySide2 import QtCore
from helper.usesqapplication import UsesQApplication
class MainWindow(QtWidgets.QMainWindow):
def __init__(self):
QtWidgets.QMainWindow.__init__(self)
self.createToolbar()
def createToolbar(self):
pointerButton = QtWidgets.QToolButton()
pointerToolbar = self.addToolBar("Pointer type")
pointerToolbar.addWidget(pointerButton)
class MyButton(QtWidgets.QPushButton):
def __init__(self, parent=None):
QtWidgets.QPushButton.__init__(self)
self._called = False
def myCallback(self):
self._called = True
class TestMainWindow(UsesQApplication):
def testCreateToolbar(self):
w = MainWindow()
w.show()
QtCore.QTimer.singleShot(1000, self.app.quit)
self.app.exec_()
def objDel(self, obj):
self.app.quit()
def testRefCountToNull(self):
w = QtWidgets.QMainWindow()
c = QtWidgets.QWidget()
self.assertEqual(sys.getrefcount(c), 2)
w.setCentralWidget(c)
self.assertEqual(sys.getrefcount(c), 3)
wr = weakref.ref(c, self.objDel)
w.setCentralWidget(None)
c = None
self.app.exec_()
def testRefCountToAnother(self):
w = QtWidgets.QMainWindow()
c = QtWidgets.QWidget()
self.assertEqual(sys.getrefcount(c), 2)
w.setCentralWidget(c)
self.assertEqual(sys.getrefcount(c), 3)
c2 = QtWidgets.QWidget()
w.setCentralWidget(c2)
self.assertEqual(sys.getrefcount(c2), 3)
wr = weakref.ref(c, self.objDel)
w.setCentralWidget(None)
c = None
self.app.exec_()
def testSignalDisconect(self):
w = QtWidgets.QMainWindow()
b = MyButton("button")
b.clicked.connect(b.myCallback)
w.setCentralWidget(b)
b = MyButton("button")
b.clicked.connect(b.myCallback)
w.setCentralWidget(b)
b.click()
self.assertEqual(b._called, True)
if __name__ == '__main__':
unittest.main()
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