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import sys
import unittest

from PySide2.QtWidgets import QWidget, QMainWindow
from helper import UsesQApplication

class QWidgetInherit(QMainWindow):
    def __init__(self):
        QWidget.__init__(self)

class NativeEventTestWidget(QWidget):

    nativeEventCount = 0

    def __init__(self):
        QWidget.__init__(self)

    def nativeEvent(self, eventType, message):
        self.nativeEventCount = self.nativeEventCount + 1
        return [False, 0]

class QWidgetTest(UsesQApplication):

    def testInheritance(self):
        self.assertRaises(TypeError, QWidgetInherit)

    if sys.version_info[0] < 3:
        def testCallType_Issue_816(self):
            thing = type(QWidget).__new__(type(QWidget), "", (), {})
            self.assertEqual(repr(thing), "<class '__main__.'>")

class QWidgetVisible(UsesQApplication):

    def testBasic(self):
        # Also related to bug #244, on existence of setVisible'''
        widget = NativeEventTestWidget()
        self.assertTrue(not widget.isVisible())
        widget.setVisible(True)
        self.assertTrue(widget.isVisible())
        self.assertTrue(widget.winId() is not 0)
        # skip this test on macOS since no native events are received
        if sys.platform == 'darwin':
            return
        for i in range(10):
            if widget.nativeEventCount > 0:
                break
            self.app.processEvents()
        self.assertTrue(widget.nativeEventCount > 0)

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