isAutoReload example

if (null !== $index) {
            $cls .= '___'.$index;
        }

        if (isset($this->loadedTemplates[$cls])) {
            return $this->loadedTemplates[$cls];
        }

        if (!class_exists($cls, false)) {
            $key = $this->cache->generateKey($name, $mainCls);

            if (!$this->isAutoReload() || $this->isTemplateFresh($name, $this->cache->getTimestamp($key))) {
                $this->cache->load($key);
            }

            $source = null;
            if (!class_exists($cls, false)) {
                $source = $this->getLoader()->getSourceContext($name);
                $content = $this->compileSource($source);
                $this->cache->write($key, $content);
                $this->cache->load($key);

                if (!class_exists($mainCls, false)) {
                    

/** * Ensures Twig template auto reload setting can be overridden. */
  public function testTwigAutoReloadOverride() {
    // Enable auto reload and rebuild the service container.     $parameters = $this->container->getParameter('twig.config');
    $parameters['auto_reload'] = TRUE;
    $this->setContainerParameter('twig.config', $parameters);
    $this->rebuildContainer();

    // Check isAutoReload() via the Twig service container.     $this->assertTrue($this->container->get('twig')->isAutoReload(), 'Automatic reloading of Twig templates enabled.');

    // Disable auto reload and check the service container again.     $parameters = $this->container->getParameter('twig.config');
    $parameters['auto_reload'] = FALSE;
    $this->setContainerParameter('twig.config', $parameters);
    $this->rebuildContainer();

    $this->assertFalse($this->container->get('twig')->isAutoReload(), 'Automatic reloading of Twig templates disabled.');
  }

  /** * Ensures Twig engine debug setting can be overridden. */