public function testForCachedFileReader()
 {
     $reader = new CachedFileReader('./test/test_data/test.file');
     $this->assertEquals($reader->CachedFileReader('./test/test_data/test.file'), null);
     $this->assertFalse($reader->CachedFileReader('./path/for/no/file.txt'));
 }
 public function __construct($filename)
 {
     parent::__construct($filename);
 }