1 files changed, 41 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtGui/bug_785.py b/sources/pyside6/tests/QtGui/bug_785.py
new file mode 100644
index 000000000..04425f063
--- /dev/null
+++ b/sources/pyside6/tests/QtGui/bug_785.py
@@ -0,0 +1,41 @@
+# 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 QItemSelection
+from PySide6.QtGui import QStandardItemModel, QStandardItem
+
+
+class Bug324(unittest.TestCase):
+    def testOperators(self):
+        model = QStandardItemModel()
+        for i in range(100):
+            model.appendRow(QStandardItem(f"Item: {i}"))
+
+        first = model.index(0, 0)
+        second = model.index(10, 0)
+        third = model.index(20, 0)
+        fourth = model.index(30, 0)
+
+        sel = QItemSelection(first, second)
+        sel2 = QItemSelection()
+        sel2.select(third, fourth)
+
+        sel3 = sel + sel2  # check operator +
+        self.assertEqual(len(sel3), 2)
+        sel4 = sel
+        sel4 += sel2  # check operator +=
+        self.assertEqual(len(sel4), 2)
+        self.assertEqual(sel4, sel3)
+
+
+if __name__ == "__main__":
+    unittest.main()