1 files changed, 96 insertions, 0 deletions
diff --git a/sources/pyside6/tests/pysidetest/signalemissionfrompython_test.py b/sources/pyside6/tests/pysidetest/signalemissionfrompython_test.py
new file mode 100644
index 000000000..70c9e0082
--- /dev/null
+++ b/sources/pyside6/tests/pysidetest/signalemissionfrompython_test.py
@@ -0,0 +1,96 @@
+#!/usr/bin/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 gc
+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 testbinding import TestObject
+from PySide6.QtCore import QObject, SIGNAL
+
+'''Tests the behaviour of signals with default values when emitted from Python.'''
+
+
+class SignalEmissionFromPython(unittest.TestCase):
+
+    def setUp(self):
+        self.obj1 = TestObject(0)
+        self.obj2 = TestObject(0)
+        self.one_called = 0
+        self.two_called = 0
+
+    def tearDown(self):
+        del self.obj1
+        del self.obj2
+        del self.one_called
+        del self.two_called
+        # PYSIDE-535: Need to collect garbage in PyPy to trigger deletion
+        gc.collect()
+
+    def testConnectNewStyleEmitVoidSignal(self):
+        def callbackOne():
+            self.one_called += 1
+            self.obj2.signalWithDefaultValue.emit()
+
+        def callbackTwo():
+            self.two_called += 1
+        self.obj1.signalWithDefaultValue.connect(callbackOne)
+        self.obj2.signalWithDefaultValue.connect(callbackTwo)
+        self.obj1.emitSignalWithDefaultValue_void()
+        self.obj2.emitSignalWithDefaultValue_void()
+        self.assertEqual(self.one_called, 1)
+        self.assertEqual(self.two_called, 2)
+
+    def testConnectOldStyleEmitVoidSignal(self):
+        def callbackOne():
+            self.one_called += 1
+            self.obj2.signalWithDefaultValue.emit()
+
+        def callbackTwo():
+            self.two_called += 1
+        self.obj1.signalWithDefaultValue.connect(callbackOne)
+        self.obj2.signalWithDefaultValue.connect(callbackTwo)
+        self.obj1.emitSignalWithDefaultValue_void()
+        self.obj2.emitSignalWithDefaultValue_void()
+        self.assertEqual(self.one_called, 1)
+        self.assertEqual(self.two_called, 2)
+
+    def testConnectNewStyleEmitBoolSignal(self):
+        def callbackOne():
+            self.one_called += 1
+            self.obj2.signalWithDefaultValue[bool].emit(True)
+
+        def callbackTwo():
+            self.two_called += 1
+        self.obj1.signalWithDefaultValue.connect(callbackOne)
+        self.obj2.signalWithDefaultValue.connect(callbackTwo)
+        self.obj1.emitSignalWithDefaultValue_void()
+        self.obj2.emitSignalWithDefaultValue_void()
+        self.assertEqual(self.one_called, 1)
+        self.assertEqual(self.two_called, 2)
+
+    def testConnectOldStyleEmitBoolSignal(self):
+        def callbackOne():
+            self.one_called += 1
+            self.obj2.signalWithDefaultValue[bool].emit(True)
+
+        def callbackTwo():
+            self.two_called += 1
+        self.obj1.signalWithDefaultValue.connect(callbackOne)
+        self.obj2.signalWithDefaultValue.connect(callbackTwo)
+        self.obj1.emitSignalWithDefaultValue_void()
+        self.obj2.emitSignalWithDefaultValue_void()
+        self.assertEqual(self.one_called, 1)
+        self.assertEqual(self.two_called, 2)
+
+
+if __name__ == '__main__':
+    unittest.main()
+