test_get_child Subroutine

   subroutine test_get_child()
      type(ConcreteComposite) :: child
      type(ConcreteComposite), target :: parent
      type(NamedComponent) :: P, A

      class(AbstractComposite), pointer :: ptr

      P%name = 'p'
      A%name = 'A'
      parent = ConcreteComposite(P)
      child = ConcreteComposite(A)
      ptr => parent%add_child('A', child)
      ptr => parent%get_child('A')

      @assert_that(associated(ptr), is(true()))
      select type (ptr)
      type is (ConcreteComposite)
         select type (q => ptr%get_component())
         type is (NamedComponent)
            @assert_that(q%name, is('A'))
         class default
            @assert_that('incorrect type', .true., is(false()))
         end select
      class default
         @assert_that('incorrect type', .true., is(false()))
      end select

   end subroutine test_get_child