public function testFunctionsForDurationsAndMemoryUsage() { $event = new Event('name', 'group'); $event->startLap(); usleep(100); $event->stopLap(); $event->startLap(); usleep(1000); $event->stopLap(); $this->assertTrue($event->getMinDuration() < $event->getMaxDuration()); $this->assertTrue(($event->getMinDuration() + $event->getMaxDuration()) / 2 === $event->getAverageDuration()); $this->assertInternalType('int', $event->getMemoryUsage()); }