1 files changed, 43 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtWidgets/bug_879.py b/sources/pyside6/tests/QtWidgets/bug_879.py
new file mode 100644
index 000000000..31c656543
--- /dev/null
+++ b/sources/pyside6/tests/QtWidgets/bug_879.py
@@ -0,0 +1,43 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+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 QCoreApplication, QTimer, QEvent, Qt
+from PySide6.QtWidgets import QApplication, QSpinBox
+from PySide6.QtGui import QKeyEvent
+
+
+class MySpinBox(QSpinBox):
+
+    def validate(self, text, pos):
+        return QSpinBox.validate(self, text, pos)
+
+
+class TestBug879 (unittest.TestCase):
+
+    def testIt(self):
+        app = QApplication([])
+        self.box = MySpinBox()
+        self.box.show()
+
+        QTimer.singleShot(0, self.sendKbdEvent)
+        QTimer.singleShot(100, app.quit)
+        app.exec()
+
+        self.assertEqual(self.box.text(), '0')
+
+    def sendKbdEvent(self):
+        ev = QKeyEvent(QEvent.KeyPress, Qt.Key_A, Qt.NoModifier, 'a')
+        QCoreApplication.sendEvent(self.box, ev)
+
+
+if __name__ == '__main__':
+    unittest.main()