lazy_route_provider_install_test.module

<?php

/**
 * @file
 * Helper module for the lazy route provider tests.
 */

/**
 * Implements hook_menu_links_discovered_alter().
 */
function lazy_route_provider_install_test_menu_links_discovered_alter(&$links) {
  $message = \Drupal::state()
    ->get(__FUNCTION__, 'success');
  try {

    // Ensure that calling this does not cause a recursive rebuild.
    \Drupal::service('router.route_provider')
      ->getAllRoutes();
  } catch (\RuntimeException $e) {
    $message = 'failed';
  }
  \Drupal::state()
    ->set(__FUNCTION__, $message);
}