1 files changed, 50 insertions, 0 deletions
diff --git a/sources/pyside6/tests/signals/lambda_gui_test.py b/sources/pyside6/tests/signals/lambda_gui_test.py
new file mode 100644
index 000000000..2123e7206
--- /dev/null
+++ b/sources/pyside6/tests/signals/lambda_gui_test.py
@@ -0,0 +1,50 @@
+# Copyright (C) 2022 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+'''Connecting lambda to gui signals'''
+
+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.QtWidgets import QSpinBox, QPushButton
+
+from helper.usesqapplication import UsesQApplication
+
+
+class Control:
+    def __init__(self):
+        self.arg = False
+
+
+class QtWidgetsSigLambda(UsesQApplication):
+
+    def testButton(self):
+        # Connecting a lambda to a QPushButton.clicked()
+        obj = QPushButton('label')
+        ctr = Control()
+        func = lambda: setattr(ctr, 'arg', True)  # noqa: E731
+        obj.clicked.connect(func)
+        obj.click()
+        self.assertTrue(ctr.arg)
+        self.assertTrue(obj.clicked.disconnect(func))
+
+    def testSpinButton(self):
+        # Connecting a lambda to a QPushButton.clicked()
+        obj = QSpinBox()
+        ctr = Control()
+        arg = 444
+        func = lambda x: setattr(ctr, 'arg', 444)  # noqa: E731
+        obj.valueChanged.connect(func)
+        obj.setValue(444)
+        self.assertEqual(ctr.arg, arg)
+        self.assertTrue(obj.valueChanged.disconnect(func))
+
+
+if __name__ == '__main__':
+    unittest.main()