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<?php
namespace Doctrine\Tests\DBAL;
use function microtime;
/**
* Base class for all DBAL performance tests.
*
* Tests implemented in this class must call startTiming at the beginning
* and stopTiming at the end of all tests. Tests that do not start or stop
* timing will fail.
*/
abstract class PerformanceTestCase extends FunctionalTestCase
{
/**
* time the test started
*
* @var float
*/
private $startTime;
/**
* elapsed run time of the last test
*
* @var float
*/
private $runTime;
/**
* {@inheritdoc}
*/
protected function assertPostConditions() : void
{
// If a perf test doesn't start or stop, it fails.
self::assertNotNull($this->startTime, 'Test timing was started');
self::assertNotNull($this->runTime, 'Test timing was stopped');
}
/**
* begin timing
*/
protected function startTiming() : void
{
$this->startTime = microtime(true);
}
/**
* end timing
*/
protected function stopTiming() : void
{
$this->runTime = microtime(true) - $this->startTime;
}
/**
* @return float elapsed test execution time
*/
public function getTime() : float
{
return $this->runTime;
}
}