/**
* @test
*/
public function testIsDirectory()
{
$file = new Filesystem();
$dir = static::getTempPath(__FUNCTION__);
$dir_inner = rand(1, 10) . rand(0, getrandmax());
$directoryScan = $dir . DIRECTORY_SEPARATOR . $dir_inner;
$file->mkdir($directoryScan);
$this->assertEquals(true, $file->isDirectory($directoryScan));
$this->assertEquals(true, $file->isDirectory($directoryScan, true));
}