1 files changed, 69 insertions, 0 deletions
diff --git a/sources/shiboken6/tests/smartbinding/std_optional_test.py b/sources/shiboken6/tests/smartbinding/std_optional_test.py
new file mode 100644
index 000000000..bee573548
--- /dev/null
+++ b/sources/shiboken6/tests/smartbinding/std_optional_test.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env 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 os
+import sys
+import unittest
+
+from pathlib import Path
+sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
+from shiboken_paths import init_paths
+init_paths()
+from smart import Integer, StdOptionalTestBench, std
+
+
+def call_func_on_optional(o):
+    o.printInteger()
+
+
+def integer_from_value(v):
+    result = Integer()
+    result.setValue(v)
+    return result
+
+
+class StdOptionalTests(unittest.TestCase):
+
+    def testCInt(self):
+        b = StdOptionalTestBench()
+        ci = b.optionalInt()
+        self.assertFalse(ci.has_value())
+        b.setOptionalIntValue(42)
+        ci = b.optionalInt()
+        self.assertTrue(ci.has_value())
+        self.assertEqual(ci.value(), 42)
+        b.setOptionalInt(ci)
+        ci = b.optionalInt()
+        self.assertTrue(ci.has_value())
+        self.assertEqual(ci.value(), 42)
+
+        ci = std.optional_int(43)
+        self.assertEqual(ci.value(), 43)
+
+    def testInteger(self):
+        b = StdOptionalTestBench()
+        i = b.optionalInteger()
+        self.assertFalse(i.has_value())
+        self.assertFalse(i)
+        # Must not throw a C++ exception
+        self.assertRaises(AttributeError, call_func_on_optional, i)
+
+        b.setOptionalIntegerValue(integer_from_value(42))
+        i = b.optionalInteger()
+        self.assertTrue(i.has_value())
+        self.assertEqual(i.value().value(), 42)
+        i.printInteger()
+        print(i)
+        b.setOptionalInteger(i)
+        i = b.optionalInteger()
+        self.assertTrue(i.has_value())
+        self.assertEqual(i.value().value(), 42)
+        call_func_on_optional(i)
+
+        i = std.optional_Integer(integer_from_value(43))
+        self.assertEqual(i.value().value(), 43)
+
+
+if __name__ == '__main__':
+    unittest.main()