public function testCapturesTimes()
{
$this->timer->begin([]);
$this->timer->begin(['1']);
$this->timer->begin(['1', 'a']);
$this->timer->end(['1']);
$this->timer->end([]);
$times = $this->timer->getTimes();
$begin = Timer::MARKER_BEGIN;
$end = Timer::MARKER_END;
$this->assertEquals([$begin, 1, $end], array_keys($times));
$this->assertEquals([$begin, 'a', $end], array_keys($times[1]));
$this->assertEquals([$begin], array_keys($times[1]['a']));
$this->assertIsATime($times[$begin]);
$this->assertIsATime($times[1][$begin]);
$this->assertIsATime($times[1]['a'][$begin]);
$this->assertIsATime($times[1][$end]);
$this->assertIsATime($times[$end]);
}