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-rw-r--r--sources/pyside6/tests/signals/disconnect_test.py70
1 files changed, 70 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/disconnect_test.py b/sources/pyside6/tests/signals/disconnect_test.py
new file mode 100644
index 000000000..ea3782a91
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+++ b/sources/pyside6/tests/signals/disconnect_test.py
@@ -0,0 +1,70 @@
+# 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(True)
+
+from PySide6.QtCore import QObject, Signal
+from testbinding import TestObject
+
+
+class Foo(QObject):
+ bar = Signal()
+
+
+class TestDisconnect(unittest.TestCase):
+ def theSlot1(self):
+ self.called1 = True
+
+ def theSlot2(self):
+ self.called2 = True
+
+ def testIt(self):
+ self.called1 = False
+ self.called2 = False
+ f = Foo()
+ f.bar.connect(self.theSlot1)
+ f.bar.connect(self.theSlot2)
+ f.bar.emit()
+ self.assertTrue(self.called1)
+ self.assertTrue(self.called2)
+
+ self.called1 = False
+ self.called2 = False
+ f.bar.disconnect()
+ f.bar.emit()
+ self.assertFalse(self.called1)
+ self.assertFalse(self.called2)
+
+ def testDuringCallback(self):
+ """ Test to see if the C++ object for a connection is accessed after the
+ method returns. This causes a segfault if the memory that was used by the
+ C++ object has been reused. """
+
+ self.called = False
+ obj = TestObject(0)
+
+ def callback():
+ obj.signalWithDefaultValue.disconnect(callback)
+
+ # Connect more callbacks to try to overwrite memory
+ for i in range(1000):
+ obj.signalWithDefaultValue.connect(lambda: None)
+
+ self.called = True
+
+ # A non-None return value is needed
+ return True
+ obj.signalWithDefaultValue.connect(callback)
+ obj.signalWithDefaultValue.emit()
+ self.assertTrue(self.called)
+
+
+if __name__ == '__main__':
+ unittest.main()