2 files changed, 72 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/CMakeLists.txt b/sources/pyside6/tests/signals/CMakeLists.txt
index dd8f4a016..094caaaf6 100644
--- a/sources/pyside6/tests/signals/CMakeLists.txt
+++ b/sources/pyside6/tests/signals/CMakeLists.txt
@@ -21,6 +21,7 @@ PYSIDE_TEST(qobject_callable_connect_test.py)
 PYSIDE_TEST(qobject_destroyed_test.py)
 PYSIDE_TEST(qobject_receivers_test.py)
 PYSIDE_TEST(qobject_sender_test.py)
+PYSIDE_TEST(nonqobject_receivers_test.py)
 PYSIDE_TEST(ref01_test.py)
 PYSIDE_TEST(ref02_test.py)
 PYSIDE_TEST(ref03_test.py)
diff --git a/sources/pyside6/tests/signals/nonqobject_receivers_test.py b/sources/pyside6/tests/signals/nonqobject_receivers_test.py
new file mode 100644
index 000000000..4bb47e5df
--- /dev/null
+++ b/sources/pyside6/tests/signals/nonqobject_receivers_test.py
@@ -0,0 +1,71 @@
+# Copyright (C) 2025 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Test case for non-QObject.receivers'''
+
+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  # noqa: F401
+init_test_paths(False)
+
+from helper.usesqapplication import UsesQApplication  # noqa: F401
+
+from PySide6.QtGui import QAction  # noqa: F401
+
+
+receiver_instances = 0
+
+
+class Receiver:
+
+    def __init__(self):
+        global receiver_instances
+        receiver_instances += 1
+        self.slot1Triggered = 0
+        self.slot2Triggered = 0
+
+    def __del__(self):
+        global receiver_instances
+        receiver_instances -= 1
+
+    def slot1(self):
+        self.slot1Triggered += 1
+
+    def slot2(self):
+        self.slot2Triggered += 1
+
+
+class TestQObjectReceivers(UsesQApplication):
+    '''Test case for non-QObject.receivers'''
+
+    @unittest.skipUnless(hasattr(sys, "getrefcount"), f"{sys.implementation.name} has no refcount")
+    def testBasic(self):
+        '''The test verifies that connections to methods of a non-QObject work
+           (TrackingMethodDynamicSlot). Also, despite being stored in the signal manager,
+           making connections should not increase references on the receiver or prevent
+           the receivers from being deleted, which is achieved using weak reference
+           tracking notifications.
+           2 connections are used to trigger a corruption caused by multiple weak reference
+           notifications (PYSIDE-3148).'''
+        action1 = QAction("a1", qApp)  # noqa: F821
+        action2 = QAction("a2", qApp)  # noqa: F821
+        receiver = Receiver()
+        self.assertEqual(receiver_instances, 1)
+        base_ref_count = sys.getrefcount(receiver)
+        action1.triggered.connect(receiver.slot1)
+        action2.triggered.connect(receiver.slot2)
+        self.assertEqual(sys.getrefcount(receiver), base_ref_count)
+        action1.trigger()
+        action2.trigger()
+        self.assertEqual(receiver.slot1Triggered, 1)
+        self.assertEqual(receiver.slot2Triggered, 1)
+        receiver = 0
+        self.assertEqual(receiver_instances, 0)
+
+
+if __name__ == '__main__':
+    unittest.main()