code: def test_validation(self):
      NaiveBudgetAccountant(
          total_epsilon=1, total_delta=1e-10
      )  # No exception.
      NaiveBudgetAccountant(
          total_epsilon=1, total_delta=0
      )  # No exception.
  
      with self.assertRaises(ValueError):
          NaiveBudgetAccountant(
              total_epsilon=0, total_delta=1e-10
          )  # Epsilon must be positive.
  
      with self.assertRaises(ValueError):
          NaiveBudgetAccountant(total_epsilon=0.5, total_delta=-1e-10)
  
imports: import sys
  import unittest
  from dataclasses import dataclass
  from pipeline_dp.budget_accounting import MechanismSpec
  from pipeline_dp.aggregate_params import MechanismType
  from pipeline_dp.budget_accounting import NaiveBudgetAccountant
  from pipeline_dp.budget_accounting import PLDBudgetAccountant
  from absl.testing import parameterized
label_desc: Use image node_id 1 for calling the NaiveBudgetAccountantTest obj's underlying member method code with example usage: obj.test_validation() without return types