#!/usr/bin/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.
##
## $QT_BEGIN_LICENSE:GPL-EXCEPT$
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## GNU General Public License Usage
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## General Public License version 3 as published by the Free Software
## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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#############################################################################

import unittest
from testbinding import TestObject
from PySide2.QtWidgets import QApplication
from PySide2 import __all__ as all

class QApplicationInstance(unittest.TestCase):

    def appDestroyed(self):
        self.assertTrue(False)

    def testInstanceObject(self):
        self.assertEqual(type(qApp), type(None))
        TestObject.createApp()
        app1 = QApplication.instance()
        app2 = QApplication.instance()
        app1.setObjectName("MyApp")
        self.assertEqual(app1, app2)
        self.assertEqual(app2.objectName(), app1.objectName())
        if len(all) > 3:
            # an import triggers qApp initialization
            __import__("PySide2." + all[-1])
            self.assertEqual(app1, qApp)
        app1.destroyed.connect(self.appDestroyed)

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

