1 files changed, 63 insertions, 0 deletions
diff --git a/sources/pyside6/tests/QtUiTools/bug_392.py b/sources/pyside6/tests/QtUiTools/bug_392.py
new file mode 100644
index 000000000..4d69fdbec
--- /dev/null
+++ b/sources/pyside6/tests/QtUiTools/bug_392.py
@@ -0,0 +1,63 @@
+# 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 helper.usesqapplication import UsesQApplication
+
+from PySide6.QtGui import QAction
+from PySide6.QtWidgets import QComboBox, QWidget
+from PySide6.QtUiTools import QUiLoader
+
+
+class MyWidget(QComboBox):
+    def __init__(self, parent=None):
+        QComboBox.__init__(self, parent)
+
+    def isPython(self):
+        return True
+
+
+class BugTest(UsesQApplication):
+    def testCase(self):
+        w = QWidget()
+        loader = QUiLoader()
+
+        filePath = os.path.join(os.path.dirname(__file__), 'action.ui')
+        result = loader.load(filePath, w)
+        self.assertTrue(isinstance(result.actionFoo, QAction))
+
+    def testPythonCustomWidgets(self):
+        w = QWidget()
+        loader = QUiLoader()
+        loader.registerCustomWidget(MyWidget)
+        self.assertTrue('MyWidget' in loader.availableWidgets())
+
+        filePath = os.path.join(os.path.dirname(__file__), 'pycustomwidget.ui')
+        result = loader.load(filePath, w)
+        self.assertTrue(isinstance(result.custom, MyWidget))
+        self.assertTrue(result.custom.isPython())
+
+    def testPythonCustomWidgetsTwice(self):
+        w = QWidget()
+        loader = QUiLoader()
+        loader.registerCustomWidget(MyWidget)
+        self.assertTrue('MyWidget' in loader.availableWidgets())
+
+        filePath = os.path.join(os.path.dirname(__file__), 'pycustomwidget2.ui')
+        result = loader.load(filePath, w)
+        self.assertTrue(isinstance(result.custom, MyWidget))
+        self.assertTrue(isinstance(result.custom2, MyWidget))
+        self.assertTrue(result.custom.isPython())
+
+
+if __name__ == '__main__':
+    unittest.main()
+