1 files changed, 59 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/bug_79.py b/sources/pyside6/tests/signals/bug_79.py
new file mode 100644
index 000000000..77ac621d5
--- /dev/null
+++ b/sources/pyside6/tests/signals/bug_79.py
@@ -0,0 +1,59 @@
+# 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 gc
+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.QtGui import QStandardItemModel
+from PySide6.QtWidgets import QApplication, QTreeView
+
+
+try:
+    from sys import gettotalrefcount
+    skiptest = False
+except ImportError:
+    skiptest = True
+
+
+class ConnectTest(unittest.TestCase):
+
+    def callback(self, o):
+        print("callback")
+        self._called = o
+
+    def testNoLeaks_ConnectAndDisconnect(self):
+        self._called = None
+        app = QApplication([])  # noqa: F841
+        o = QTreeView()
+        o.setModel(QStandardItemModel())
+        o.selectionModel().destroyed.connect(self.callback)
+        o.selectionModel().destroyed.disconnect(self.callback)
+        gc.collect()
+        # if this is no debug build, then we check at least that
+        # we do not crash any longer.
+        for idx in range(200):
+            # PYSIDE-2230: Warm-up is necessary before measuring, because
+            # the code changes the constant parts after some time.
+            o.selectionModel().destroyed.connect(self.callback)
+            o.selectionModel().destroyed.disconnect(self.callback)
+        if not skiptest:
+            total = gettotalrefcount()
+        for idx in range(1000):
+            o.selectionModel().destroyed.connect(self.callback)
+            o.selectionModel().destroyed.disconnect(self.callback)
+        gc.collect()
+        if not skiptest:
+            delta = gettotalrefcount() - total
+            print("delta total refcount =", delta)
+            self.assertTrue(abs(delta) < 10)
+
+
+if __name__ == '__main__':
+    unittest.main()