public function testElapsedStepsWorks()
{
$this->stopWatch->start();
usleep(2500);
$this->stopWatch->step('step1');
usleep(8000);
$this->stopWatch->step('step2');
usleep(32000);
$this->stopWatch->stop();
$elapsedSteps = $this->stopWatch->getElapsedStepsMilliseconds();
$this->assertCount(2, $elapsedSteps);
$this->assertArrayHasKey('step1', $elapsedSteps);
$this->assertArrayHasKey('step2', $elapsedSteps);
$this->assertGreaterThanOrEqual(2, $elapsedSteps['step1']);
$this->assertLessThan(10, $elapsedSteps['step1']);
$this->assertGreaterThanOrEqual(10, $elapsedSteps['step2']);
$this->assertLessThan(18, $elapsedSteps['step2']);
$elapsedStepsSeconds = $this->stopWatch->getElapsedStepsSeconds();
$this->assertGreaterThanOrEqual(0.002, $elapsedStepsSeconds['step1']);
$this->assertLessThan(0.01, $elapsedStepsSeconds['step1']);
$elapsedStepsMicroseconds = $this->stopWatch->getElapsedStepsMicroseconds();
$this->assertGreaterThanOrEqual(2000, $elapsedStepsMicroseconds['step1']);
$this->assertLessThan(10000, $elapsedStepsMicroseconds['step1']);
}
