/**
* @return PHP_CodeCoverage_Driver
* @throws PHP_CodeCoverage_RuntimeException
*/
private function selectDriver()
{
$runtime = new Runtime();
if (!$runtime->canCollectCodeCoverage()) {
throw new PHP_CodeCoverage_RuntimeException('No code coverage driver available');
}
if ($runtime->isHHVM()) {
return new PHP_CodeCoverage_Driver_HHVM();
} elseif ($runtime->isPHPDBG()) {
return new PHP_CodeCoverage_Driver_PHPDBG();
} else {
return new PHP_CodeCoverage_Driver_Xdebug();
}
}
