Class MessageForm

tests/forms_tests/tests/test_forms.py:1285–1286

        # DateTimeField rendered as_hidden() is special too
        class MessageForm(Form):
            when = SplitDateTimeField()

        f = MessageForm({"when_0": "1992-01-01", "when_1": "01:01"})
        self.assertTrue(f.is_valid())