Testing Merge All Windows

merge_test.py

import toga


class WindowSubclass(toga.Window):
    pass


class TestMergeApp(toga.App):
    def startup(self):
        self.main_window = toga.MainWindow(title="Main Window")
        self.main_window.show()

        base_windows = [toga.Window(title="Base Window") for _ in range(2)]
        subclass_windows = [WindowSubclass(title="Subclassed Window") for _ in range(2)]
        for window in [*base_windows, *subclass_windows]:
            window.show()


if __name__ == '__main__':
    app = TestMergeApp("Merge All Windows Test", "com.example.test")
    app.main_loop()