1 files changed, 94 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtWidgets/signature_test.py b/sources/pyside6/tests/QtWidgets/signature_test.py
new file mode 100644
index 000000000..58d2ff9a5
--- /dev/null
+++ b/sources/pyside6/tests/QtWidgets/signature_test.py
@@ -0,0 +1,94 @@
+#############################################################################
+##
+## Copyright (C) 2017 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of Qt for Python.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 3 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL3 included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 3 requirements
+## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 2.0 or (at your option) the GNU General
+## Public license version 3 or any later version approved by the KDE Free
+## Qt Foundation. The licenses are as published by the Free Software
+## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-2.0.html and
+## https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+from __future__ import print_function, absolute_import
+
+import os
+import sys
+import unittest
+
+sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
+from init_paths import init_test_paths
+init_test_paths(False)
+
+import PySide6.QtCore
+import PySide6.QtWidgets
+from shibokensupport.signature import inspect
+
+
+class PySideSignatureTest(unittest.TestCase):
+    def testSignatureExist(self):
+        t1 = type(PySide6.QtCore.QObject.children.__signature__)
+        self.assertEqual(t1, inspect.Signature)
+        t2 = type(PySide6.QtCore.QObject.__dict__["children"].__signature__)
+        self.assertEqual(t2, t1)
+        obj = PySide6.QtWidgets.QApplication.palette
+        t3 = type(obj.__signature__)
+        self.assertEqual(t3, list)
+        self.assertEqual(len(obj.__signature__), 3)
+        for thing in obj.__signature__:
+            self.assertEqual(type(thing), inspect.Signature)
+        sm = PySide6.QtWidgets.QApplication.__dict__["palette"]
+        self.assertFalse(callable(sm))
+        self.assertEqual(sm.__func__, obj)
+        self.assertTrue(hasattr(sm, "__signature__") and
+                        sm.__signature__ is not None)
+
+    def testSignatureIsCached(self):
+        # see if we get the same object
+        ob1 = PySide6.QtCore.QObject.children.__signature__
+        ob2 = PySide6.QtCore.QObject.children.__signature__
+        self.assertTrue(ob1 is ob2)
+        # same with multi signature
+        ob1 = PySide6.QtWidgets.QApplication.palette.__signature__
+        ob2 = PySide6.QtWidgets.QApplication.palette.__signature__
+        self.assertTrue(ob1 is ob2)
+
+    def testModuleIsInitialized(self):
+        self.assertTrue(PySide6.QtWidgets.QApplication.__signature__ is not None)
+
+    def test_NotCalled_is_callable_and_correct(self):
+        # A signature that has a default value with some "Default(...)"
+        # wrapper is callable and creates an object of the right type.
+        sig = PySide6.QtCore.QByteArray().toPercentEncoding.__signature__
+        called_default = sig.parameters["exclude"].default()
+        self.assertEqual(type(called_default), PySide6.QtCore.QByteArray)
+
+if __name__ == "__main__":
+    unittest.main()