1 files changed, 91 insertions, 0 deletions
diff --git a/sources/pyside2/tests/signals/short_circuit_test.py b/sources/pyside2/tests/signals/short_circuit_test.py
new file mode 100644
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+++ b/sources/pyside2/tests/signals/short_circuit_test.py
@@ -0,0 +1,91 @@
+#############################################################################
+##
+## 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.QtCore import QObject, SIGNAL, SLOT
+
+class Dummy(QObject):
+    """Dummy class used in this test."""
+    def __init__(self, parent=None):
+        QObject.__init__(self, parent)
+
+class ShortCircuitSignals(unittest.TestCase):
+    def setUp(self):
+        self.called = False
+
+    def tearDown(self):
+        try:
+            del self.args
+        except:
+            pass
+
+    def callback(self, *args):
+        if tuple(self.args) == args:
+            self.called = True
+
+    def testNoArgs(self):
+        """Short circuit signal without arguments"""
+        obj1 = Dummy()
+        QObject.connect(obj1, SIGNAL('foo()'), self.callback)
+        self.args = tuple()
+        obj1.emit(SIGNAL('foo()'), *self.args)
+        self.assertTrue(self.called)
+
+    def testWithArgs(self):
+        """Short circuit signal with integer arguments"""
+        obj1 = Dummy()
+
+        QObject.connect(obj1, SIGNAL('foo(int)'), self.callback)
+        self.args = (42,)
+        obj1.emit(SIGNAL('foo(int)'), *self.args)
+
+        self.assertTrue(self.called)
+
+    def testMultipleArgs(self):
+        """Short circuit signal with multiple arguments"""
+        obj1 = Dummy()
+
+        QObject.connect(obj1, SIGNAL('foo(int,int,QString)'), self.callback)
+        self.args = (42,33,'char')
+        obj1.emit(SIGNAL('foo(int,int,QString)'), *self.args)
+
+        self.assertTrue(self.called)
+
+    def testComplexArgs(self):
+        """Short circuit signal with complex arguments"""
+        obj1 = Dummy()
+
+        QObject.connect(obj1, SIGNAL('foo(int,QObject*)'), self.callback)
+        self.args = (42, obj1)
+        obj1.emit(SIGNAL('foo(int,QObject*)'), *self.args)
+
+        self.assertTrue(self.called)
+
+if __name__ == '__main__':
+    unittest.main()