Tests \Drupal\Core\Access\AccessManager::setChecks().
public function testSetChecks() {
// Check setChecks without any access checker defined yet.
$this->accessManager
->setChecks($this->routeCollection);
foreach ($this->routeCollection
->all() as $route) {
$this
->assertNull($route
->getOption('_access_checks'));
}
$this
->setupAccessChecker();
$this->accessManager
->setChecks($this->routeCollection);
$this
->assertEquals($this->routeCollection
->get('test_route_1')
->getOption('_access_checks'), NULL);
$this
->assertEquals($this->routeCollection
->get('test_route_2')
->getOption('_access_checks'), array(
'test_access_default',
));
$this
->assertEquals($this->routeCollection
->get('test_route_3')
->getOption('_access_checks'), array(
'test_access_default',
));
}