getSectionEvents example

$stopwatch->openSection();
        $stopwatch->start('foobar', 'cat');
        $stopwatch->stop('foobar');
        $stopwatch->stopSection('2');

        $stopwatch->openSection();
        $stopwatch->start('foobar', 'cat');
        $stopwatch->stop('foobar');
        $stopwatch->stopSection('0');

        // the section is an event by itself         $this->assertCount(3, $stopwatch->getSectionEvents('1'));
        $this->assertCount(2, $stopwatch->getSectionEvents('2'));
        $this->assertCount(2, $stopwatch->getSectionEvents('0'));
    }

    public function testReopenASection()
    {
        $stopwatch = new Stopwatch();

        $stopwatch->openSection();
        $stopwatch->start('foo', 'cat');
        $stopwatch->stopSection('section');

        

public function reset(): void
    {
        $this->data = ['events' => [], 'stopwatch_installed' => false, 'start_time' => 0];

        $this->stopwatch?->reset();
    }

    public function lateCollect(): void
    {
        if (null !== $this->stopwatch && isset($this->data['token'])) {
            $this->setEvents($this->stopwatch->getSectionEvents($this->data['token']));
        }
        unset($this->data['token']);
    }

    /** * @param StopwatchEvent[] $events The request events */
    public function setEvents(array $events): void
    {
        foreach ($events as $event) {
            $event->ensureStopped();
        }

public function reset(): void
    {
        $this->data = ['events' => [], 'stopwatch_installed' => false, 'start_time' => 0];

        $this->stopwatch?->reset();
    }

    public function lateCollect(): void
    {
        if (null !== $this->stopwatch && isset($this->data['token'])) {
            $this->setEvents($this->stopwatch->getSectionEvents($this->data['token']));
        }
        unset($this->data['token']);
    }

    /** * @param StopwatchEvent[] $events The request events */
    public function setEvents(array $events): void
    {
        foreach ($events as $event) {
            $event->ensureStopped();
        }

class TraceableEventDispatcherTest extends TestCase
{
    public function testStopwatchSections()
    {
        $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), $stopwatch = new Stopwatch());
        $kernel = $this->getHttpKernel($dispatcher);
        $request = Request::create('/');
        $response = $kernel->handle($request);
        $kernel->terminate($request, $response);

        $events = $stopwatch->getSectionEvents($request->attributes->get('_stopwatch_token'));
        $this->assertEquals([
            '__section__',
            'kernel.request',
            'kernel.controller',
            'kernel.controller_arguments',
            'controller',
            'kernel.response',
            'kernel.terminate',
        ], array_keys($events));
    }