1 files changed, 70 insertions, 0 deletions
diff --git a/sources/pyside2/tests/signals/bug_311.py b/sources/pyside2/tests/signals/bug_311.py
new file mode 100644
index 000000000..0ea066b49
--- /dev/null
+++ b/sources/pyside2/tests/signals/bug_311.py
@@ -0,0 +1,70 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of PySide2.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import unittest
+from PySide2 import QtCore
+from helper import UsesQCoreApplication
+
+class DerivedDate(QtCore.QDate):
+    def __init__(self,y,m,d):
+        super(DerivedDate,self).__init__(y,m,d)
+
+class Emitter(QtCore.QObject):
+    dateSignal1 = QtCore.Signal(QtCore.QDate)
+    dateSignal2 = QtCore.Signal(DerivedDate)
+    tupleSignal = QtCore.Signal(tuple)
+
+class SignaltoSignalTest(UsesQCoreApplication):
+    def myCb(self, dt):
+        self._dt = dt
+
+    def testBug(self):
+        e = Emitter()
+        d = DerivedDate(2010,8,24)
+        self._dt = None
+        e.dateSignal1.connect(self.myCb)
+        e.dateSignal1.emit(d)
+        self.assertEqual(self._dt, d)
+
+        self._dt = None
+        e.dateSignal2.connect(self.myCb)
+        e.dateSignal2.emit(d)
+        self.assertEqual(self._dt, d)
+
+        myTuple = (5, 6, 7)
+        self._dt = None
+        e.tupleSignal.connect(self.myCb)
+        e.tupleSignal.emit(myTuple)
+        self.assertEqual(myTuple, self._dt)
+
+if __name__ == '__main__':
+    unittest.main()
+