def METHOD_NAME(self):
    model = ArrayModel(self._parent)
    model.reset(Array([5.0]))
    model.batch_set_data([model.index(0, 0)], ["2.3"])
    self.assertEqual(model.rowCount(), 2)
    self.assertEqual(model.index(0, 0).data(), 0)
    self.assertEqual(model.index(0, 1).data(), "2.3")