1 files changed, 95 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/decorators_test.py b/sources/pyside6/tests/signals/decorators_test.py
new file mode 100644
index 000000000..b29339ee4
--- /dev/null
+++ b/sources/pyside6/tests/signals/decorators_test.py
@@ -0,0 +1,95 @@
+#!/usr/bin/env 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
+
+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, Slot, Signal
+
+
+class Sender(QObject):
+    mySignal = Signal()
+
+
+class MyObject(QObject):
+    def __init__(self, parent=None):
+        QObject.__init__(self, parent)
+        self._slotCalledCount = 0
+
+    @Slot()
+    def mySlot(self):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+    @Slot(int)
+    @Slot('QString')
+    def mySlot2(self, arg0):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+    @Slot(name='mySlot3')
+    def foo(self):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+    @Slot(str, int)
+    def mySlot4(self, a, b):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+    @Slot(result=int)
+    def mySlot5(self):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+    @Slot(result=QObject)
+    def mySlot6(self):
+        self._slotCalledCount = self._slotCalledCount + 1
+
+
+class StaticMetaObjectTest(unittest.TestCase):
+
+    def testSignalPropagation(self):
+        o = MyObject()
+        m = o.metaObject()
+        self.assertTrue(m.indexOfSlot('mySlot()') > 0)
+        self.assertTrue(m.indexOfSlot('mySlot2(int)') > 0)
+        self.assertTrue(m.indexOfSlot('mySlot2(QString)') > 0)
+        self.assertTrue(m.indexOfSlot('mySlot3()') > 0)
+        self.assertTrue(m.indexOfSlot('mySlot4(QString,int)') > 0)
+
+    def testEmission(self):
+        sender = Sender()
+        o = MyObject()
+        sender.mySignal.connect(o.mySlot)
+        sender.mySignal.emit()
+        self.assertTrue(o._slotCalledCount == 1)
+
+    def testResult(self):
+        o = MyObject()
+        mo = o.metaObject()
+        i = mo.indexOfSlot('mySlot5()')
+        m = mo.method(i)
+        self.assertEqual(m.typeName(), "int")
+
+    def testResultObject(self):
+        o = MyObject()
+        mo = o.metaObject()
+        i = mo.indexOfSlot('mySlot6()')
+        m = mo.method(i)
+        self.assertEqual(m.typeName(), "QObject*")
+
+
+class SlotWithoutArgs(unittest.TestCase):
+
+    def testError(self):
+        # It should be an error to call the slot without the
+        # arguments, as just @Slot would end up in a slot
+        # accepting argument functions
+        self.assertRaises(TypeError, Slot, lambda: 3)
+
+
+if __name__ == '__main__':
+    unittest.main()