1 files changed, 84 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py b/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py
new file mode 100644
index 000000000..911fed475
--- /dev/null
+++ b/sources/pyside6/tests/QtWidgets/virtual_protected_inheritance_test.py
@@ -0,0 +1,84 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Test cases for overriding inherited protected virtual methods'''
+
+import gc
+import os
+import sys
+import unittest
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from init_paths import init_test_paths
+init_test_paths(False)
+
+from PySide6.QtCore import QTimerEvent
+from PySide6.QtWidgets import QApplication, QSpinBox
+
+from helper.usesqapplication import UsesQApplication
+
+
+class MySpinButton(QSpinBox):
+    '''Simple example class of overriding QObject.timerEvent'''
+
+    def __init__(self, max_runs=5, app=None):
+        # Creates a new spinbox that will run <max_runs> and quit <app>
+        super().__init__()
+
+        if app is None:
+            app = QApplication([])
+
+        self.app = app
+        self.max_runs = max_runs
+        self.runs = 0
+
+    def timerEvent(self, event):
+        # Timer event method
+        self.runs += 1
+
+        self.setValue(self.runs)
+
+        if self.runs == self.max_runs:
+            self.app.quit()
+
+        if not isinstance(event, QTimerEvent):
+            raise TypeError('Invalid event type. Must be TimerEvent')
+
+
+class TimerEventTest(UsesQApplication):
+    '''Test case for running QObject.timerEvent from inherited class'''
+
+    qapplication = True
+
+    def setUp(self):
+        # Acquire resources
+        super(TimerEventTest, self).setUp()
+        self.widget = MySpinButton(app=self.app)
+
+    def tearDown(self):
+        # Release resources
+        del self.widget
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+        super(TimerEventTest, self).tearDown()
+
+    def testMethod(self):
+        # QWidget.timerEvent overrinding (protected inherited)
+        timer_id = self.widget.startTimer(0)
+
+        self.app.exec()
+
+        self.widget.killTimer(timer_id)
+
+        self.assertTrue(self.widget.runs >= self.widget.max_runs)
+
+
+if __name__ == '__main__':
+    unittest.main()
+    #app = QApplication([])
+    #widget  = MySpinButton(app=app)
+    #widget.startTimer(500)
+    #widget.show()
+    #app.exec()
+