def __add_fuzzing_boundaries(self):
        lower_bound = -1
        if self.ui.spinBoxLowerBound.isEnabled():
            lower_bound = self.ui.spinBoxLowerBound.value()

        upper_bound = -1
        if self.ui.spinBoxUpperBound.isEnabled():
            upper_bound = self.ui.spinBoxUpperBound.value()

        num_vals = self.ui.spinBoxBoundaryNumber.value()
        self.fuzz_table_model.add_boundaries(lower_bound, upper_bound, num_vals)