1 files changed, 88 insertions, 0 deletions
diff --git a/sources/pyside6/tests/pysidetest/qapp_like_a_macro_test.py b/sources/pyside6/tests/pysidetest/qapp_like_a_macro_test.py
new file mode 100644
index 000000000..2a796cea8
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+++ b/sources/pyside6/tests/pysidetest/qapp_like_a_macro_test.py
@@ -0,0 +1,88 @@
+#############################################################################
+##
+## Copyright (C) 2017 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of Qt for Python.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## 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 General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## 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-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)
+
+import PySide6
+
+# This test tests the new "macro" feature of qApp.
+# It also uses the qApp variable to finish the instance and start over.
+
+# Note: this test makes qapplication_singleton_test.py obsolete.
+
+class qAppMacroTest(unittest.TestCase):
+    _test_1093_is_first = True
+
+    def test_qApp_is_like_a_macro_and_can_restart(self):
+        self._test_1093_is_first = False
+        from PySide6 import QtCore
+        try:
+            from PySide6 import QtGui, QtWidgets
+        except ImportError:
+            QtWidgets = QtGui = QtCore
+        # qApp is in the builtins
+        self.assertEqual(bool(qApp), False)
+        # and the type is None
+        self.assertTrue(qApp is None)
+        # now we create an application for all cases
+        classes = (QtCore.QCoreApplication,
+                   QtGui.QGuiApplication,
+                   QtWidgets.QApplication)
+        for klass in classes:
+            print("created", klass([]))
+            qApp.shutdown()
+            print("deleted qApp", qApp)
+        # creating without deletion raises:
+        QtCore.QCoreApplication([])
+        with self.assertRaises(RuntimeError):
+            QtCore.QCoreApplication([])
+        self.assertEqual(QtCore.QCoreApplication.instance(), qApp)
+
+    def test_1093(self):
+        # Test that without creating a QApplication staticMetaObject still exists.
+        # Please see https://bugreports.qt.io/browse/PYSIDE-1093 for explanation.
+        # Note: This test must run first, otherwise we would be mislead!
+        assert self._test_1093_is_first
+        from PySide6 import QtCore
+        self.assertTrue(QtCore.QObject.staticMetaObject is not None)
+        app = QtCore.QCoreApplication.instance()
+        self.assertTrue(QtCore.QObject.staticMetaObject is not None)
+        if app is None:
+            app = QtCore.QCoreApplication([])
+        self.assertTrue(QtCore.QObject.staticMetaObject is not None)
+        qApp.shutdown()
+
+
+if __name__ == '__main__':
+    unittest.main()