Add one test to check for possible None value of QApplication.instance()

See python-qt-tools#126
bluebird75 · Apr 26, 2022 · e4d9be7 · e4d9be7
1 parent 5cfd443
commit e4d9be7
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/tests/qapplication.py b/tests/qapplication.py
@@ -0,0 +1,9 @@
+from typing import Optional
+
+from PyQt5.QtCore import QCoreApplication
+
+# let the default type propagate to app
+app = QCoreApplication.instance()
+
+# ensure that QCoreApplication.instance() may also return None
+app = None