# File actionpack/lib/action_dispatch/testing/assertions/routing.rb, line 21
def with_routing(&block)
  old_routes = nil
  old_integration_session = nil

  setup do
    old_routes = app.routes
    old_integration_session = integration_session
    create_routes(&block)
  end

  teardown do
    reset_routes(old_routes, old_integration_session)
  end
end