test_accumulate_nested Subroutine

   subroutine test_accumulate_nested()
      type(TimeProfiler), target :: main, lap
      class(AbstractMeterNode), pointer :: main_node
      class(AbstractMeterNode), pointer :: child
      class(AbstractMeter), pointer :: t

      main = TimeProfiler('main')
      call main%start()
      lap = TimeProfiler('lap')
      call lap%start()
      call lap%start('A')
      call lap%stop('A')
      call lap%finalize()
      call main%accumulate(lap)

      ! should now have 'lap' as a subtimer of 'main'
      @assertEqual(3, main%get_num_meters())

      main_node => main%get_root_node()
      @assertTrue(main_node%has_child('lap'))

      child => main_node%get_child('lap')
      t => child%get_meter()
      select type (t)
      class is (AdvancedMeter)
         @assertEqual(1, t%get_num_cycles())
      end select

      @assertTrue(child%has_child('A'))
      child => child%get_child('A')
      t => child%get_meter()
      select type (t)
      class is (AdvancedMeter)
         @assertEqual(1, t%get_num_cycles())
      end select

   end subroutine test_accumulate_nested