1 files changed, 123 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtCore/errormessages_with_features_test.py b/sources/pyside6/tests/QtCore/errormessages_with_features_test.py
new file mode 100644
index 000000000..0e55c2e49
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+++ b/sources/pyside6/tests/QtCore/errormessages_with_features_test.py
@@ -0,0 +1,123 @@
+#############################################################################
+##
+## Copyright (C) 2020 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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+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)
+
+from PySide6 import QtWidgets
+from PySide6.support import __feature__
+
+"""
+errormessages_with_features_test.py
+-----------------------------------
+
+When errors occur while features are switched, we must always produce a
+valid error message.
+
+This test is in its own file because combining it with
+"snake_prop_feature_test" gave strange interactions with the other tests.
+"""
+
+class ErrormessagesWithFeatures(unittest.TestCase):
+    probe = "called with wrong argument types"
+    probe_miss = "missing signature"
+
+    def setUp(self):
+        qApp or QtWidgets.QApplication()
+        __feature__.set_selection(0)
+
+    def tearDown(self):
+        __feature__.set_selection(0)
+        qApp.shutdown()
+
+    def testCorrectErrorMessagesPlain(self):
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QLabel().setFont(42)
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe in cm.exception.args[0])
+
+    def testCorrectErrorMessagesSnake(self):
+        from __feature__ import snake_case
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QLabel().set_font(42)
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe in cm.exception.args[0])
+
+    def testCorrectErrorMessagesProp(self):
+        from __feature__ import true_property
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QLabel().font = 42
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe in cm.exception.args[0])
+
+    def testCorrectErrorMessagesSnakeProp(self):
+        from __feature__ import snake_case, true_property
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QLabel().font = 42
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe in cm.exception.args[0])
+
+    def testCorrectErrorMessagesClassProp(self):
+        from __feature__ import true_property
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QApplication.quitOnLastWindowClosed = object
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe_miss in cm.exception.args[0])
+        with self.assertRaises(TypeError) as cm:
+            qApp.quitOnLastWindowClosed = object
+        self.assertTrue(self.probe_miss in cm.exception.args[0])
+
+    def testCorrectErrorMessagesClassSnakeProp(self):
+        from __feature__ import snake_case, true_property
+        with self.assertRaises(TypeError) as cm:
+            QtWidgets.QApplication.quit_on_last_window_closed = object
+        print("\n\n" + cm.exception.args[0])
+        self.assertTrue(self.probe_miss in cm.exception.args[0])
+        with self.assertRaises(TypeError) as cm:
+            qApp.quit_on_last_window_closed = object
+        self.assertTrue(self.probe_miss in cm.exception.args[0])
+
+
+if __name__ == '__main__':
+    unittest.main()