1 files changed, 195 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtCore/qtimer_singleshot_test.py b/sources/pyside6/tests/QtCore/qtimer_singleshot_test.py
new file mode 100644
index 000000000..2ccaa300e
--- /dev/null
+++ b/sources/pyside6/tests/QtCore/qtimer_singleshot_test.py
@@ -0,0 +1,195 @@
+#!/usr/bin/python
+# 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 QTimer.singleShot'''
+
+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 QObject, QThread, QTimer, Signal, Slot, SLOT
+from helper.usesqapplication import UsesQApplication
+
+
+class WatchDog(QObject):
+    '''Exits the QCoreApplication main loop after sometime.'''
+
+    def __init__(self, watched):
+        super().__init__()
+        self.times_called = 0
+        self.watched = watched
+
+    def timerEvent(self, evt):
+        self.times_called += 1
+        if self.times_called == 20:
+            self.watched.exit_app_cb()
+
+
+class ThreadForContext(QThread):
+    def __init__(self):
+        super().__init__()
+        self.called = False
+        self.qthread = None
+        self.context = QObject()
+
+    def run(self):
+        self.called = True
+        self.qthread = QThread.currentThread()
+        self.exec()
+
+
+class TestSingleShot(UsesQApplication):
+    '''Test case for QTimer.singleShot'''
+
+    def setUp(self):
+        # Acquire resources
+        UsesQApplication.setUp(self)
+        self.watchdog = WatchDog(self)
+        self.called = False
+        self.qthread = None
+
+    def tearDown(self):
+        # Release resources
+        del self.watchdog
+        del self.called
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+        UsesQApplication.tearDown(self)
+
+    def callback(self):
+        self.called = True
+        self.qthread = QThread.currentThread()
+        self.qthread.exit()
+        self.app.quit()
+
+    def testSingleShot(self):
+        QTimer.singleShot(100, self.callback)
+        self.app.exec()
+        self.assertTrue(self.called)
+
+    def testSingleShotZero(self):
+        QTimer.singleShot(0, self.callback)
+        self.app.exec()
+        self.assertTrue(self.called)
+
+    def testSingleShotWithContext(self):
+        thread = ThreadForContext()
+        thread.start()
+        thread.context.moveToThread(thread)
+        QTimer.singleShot(100, thread.context, self.callback)
+        self.app.exec()
+        thread.wait()
+        self.assertTrue(self.called)
+        self.assertTrue(thread.called)
+        self.assertEqual(self.qthread, thread.qthread)
+
+    def testSingleShotWithContextZero(self):
+        thread = ThreadForContext()
+        thread.start()
+        thread.context.moveToThread(thread)
+        QTimer.singleShot(0, thread.context, self.callback)
+        self.app.exec()
+        thread.wait()
+        self.assertTrue(self.called)
+        self.assertTrue(thread.called)
+        self.assertEqual(self.qthread, thread.qthread)
+
+
+class TestSingleShotCallableObject(UsesQApplication):
+    '''Test case for QTimer.singleShot with callable inside an object'''
+
+    def setUp(self):
+        # Acquire resources
+        UsesQApplication.setUp(self)
+        self.watchdog = WatchDog(self)
+
+    def tearDown(self):
+        # Release resources
+        del self.watchdog
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+        UsesQApplication.tearDown(self)
+
+    class CallbackObject(QObject):
+        def __init__(self, app) -> None:
+            super().__init__()
+            self.app = app
+
+        @Slot()
+        def func(self):
+            self.called = True
+            self.app.quit()
+
+    def testSingleShotWithObjectAndMember(self):
+        callback = self.CallbackObject(self.app)
+        QTimer.singleShot(100, callback, SLOT("func()"))
+        self.app.exec()
+        self.assertTrue(callback.called)
+
+    def testSingleShotWithObjectAndMemberZero(self):
+        callback = self.CallbackObject(self.app)
+        QTimer.singleShot(0, callback, SLOT("func()"))
+        self.app.exec()
+        self.assertTrue(callback.called)
+
+    def testSingleShotWithCallableInObject(self):
+        callback = self.CallbackObject(self.app)
+        QTimer.singleShot(100, callback.func)
+        self.app.exec()
+        self.assertTrue(callback.called)
+
+    def testSingleShotWithCallableInObjectZero(self):
+        callback = self.CallbackObject(self.app)
+        QTimer.singleShot(0, callback.func)
+        self.app.exec()
+        self.assertTrue(callback.called)
+
+
+class SigEmitter(QObject):
+
+    sig1 = Signal()
+
+
+class TestSingleShotSignal(UsesQApplication):
+    '''Test case for QTimer.singleShot connecting to signals'''
+
+    def setUp(self):
+        UsesQApplication.setUp(self)
+        self.watchdog = WatchDog(self)
+        self.called = False
+
+    def tearDown(self):
+        del self.watchdog
+        del self.called
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+        UsesQApplication.tearDown(self)
+
+    def callback(self):
+        self.called = True
+        self.app.quit()
+
+    def testSingleShotSignal(self):
+        emitter = SigEmitter()
+        emitter.sig1.connect(self.callback)
+        QTimer.singleShot(100, emitter.sig1)
+        self.app.exec()
+        self.assertTrue(self.called)
+
+    def testSingleShotSignalZero(self):
+        emitter = SigEmitter()
+        emitter.sig1.connect(self.callback)
+        QTimer.singleShot(0, emitter.sig1)
+        self.app.exec()
+        self.assertTrue(self.called)
+
+
+if __name__ == '__main__':
+    unittest.main()