1 files changed, 108 insertions, 0 deletions
diff --git a/sources/pyside6/tests/pysidetest/properties_test.py b/sources/pyside6/tests/pysidetest/properties_test.py
new file mode 100644
index 000000000..8eb7812d1
--- /dev/null
+++ b/sources/pyside6/tests/pysidetest/properties_test.py
@@ -0,0 +1,108 @@
+# 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(False)
+
+from PySide6.QtCore import QObject, QStringListModel, Signal, Property, Slot
+
+"""Tests PySide6.QtCore.Property()"""
+
+
+class TestObject(QObject):
+
+    valueChanged = Signal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._value = -1
+        self.valueChanged.connect(self._changed)
+        self.getter_called = 0
+        self.setter_called = 0
+        self.changed_emitted = 0
+
+    @Slot(int)
+    def _changed(self):
+        self.changed_emitted += 1
+
+    def getValue(self):
+        self.getter_called += 1
+        return self._value
+
+    def setValue(self, value):
+        self.setter_called += 1
+        if (self._value != value):
+            self._value = value
+            self.valueChanged.emit()
+
+    value = Property(int, fget=getValue, fset=setValue,
+                     notify=valueChanged)
+
+
+class TestDerivedObject(QStringListModel):
+
+    valueChanged = Signal()
+
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self._value = -1
+        self.valueChanged.connect(self._changed)
+        self.getter_called = 0
+        self.setter_called = 0
+        self.changed_emitted = 0
+
+    @Slot(int)
+    def _changed(self):
+        self.changed_emitted += 1
+
+    def getValue(self):
+        self.getter_called += 1
+        return self._value
+
+    def setValue(self, value):
+        self.setter_called += 1
+        if (self._value != value):
+            self._value = value
+            self.valueChanged.emit()
+
+    value = Property(int, fget=getValue, fset=setValue,
+                     notify=valueChanged)
+
+
+class PropertyTest(unittest.TestCase):
+
+    def test1Object(self):
+        """Basic property test."""
+        testObject = TestObject()
+        v = testObject.value
+        self.assertEqual(v, -1)
+        self.assertEqual(testObject.getter_called, 1)
+        testObject.value = 42
+        v = testObject.value
+        self.assertEqual(v, 42)
+        self.assertEqual(testObject.changed_emitted, 1)
+        self.assertEqual(testObject.setter_called, 1)
+        self.assertEqual(testObject.getter_called, 2)
+
+    def test2DerivedObject(self):
+        """PYSIDE-1255: Run the same test for a class inheriting QObject."""
+        testObject = TestDerivedObject()
+        v = testObject.value
+        self.assertEqual(v, -1)
+        self.assertEqual(testObject.getter_called, 1)
+        testObject.value = 42
+        v = testObject.value
+        self.assertEqual(v, 42)
+        self.assertEqual(testObject.changed_emitted, 1)
+        self.assertEqual(testObject.setter_called, 1)
+        self.assertEqual(testObject.getter_called, 2)
+
+
+if __name__ == '__main__':
+    unittest.main()