testTiming example

use Symfony\Component\Stopwatch\Stopwatch;
use Symfony\Component\Stopwatch\StopwatchEvent;
use Twig\Environment;
use Twig\Error\RuntimeError;
use Twig\Loader\ArrayLoader;

class StopwatchExtensionTest extends TestCase
{
    public function testFailIfStoppingWrongEvent()
    {
        $this->expectException(\Twig\Error\SyntaxError::class);
        $this->testTiming('{% stopwatch "foo" %}{% endstopwatch "bar" %}', []);
    }

    /** * @dataProvider getTimingTemplates */
    public function testTiming($template, $events)
    {
        $twig = new Environment(new ArrayLoader(['template' => $template]), ['debug' => true, 'cache' => false, 'autoescape' => 'html', 'optimizations' => 0]);
        $twig->addExtension(new StopwatchExtension($this->getStopwatch($events)));

        try {