Phly\Http\Stream::getSize PHP Метод

    public function getSize()
    {
        if (null === $this->resource) {
            return null;
        }
        $stats = fstat($this->resource);
        return $stats['size'];
    }

 /**
  * @group 42
  */
 public function testGetSizeReturnsStreamSize()
 {
     $resource = fopen(__FILE__, 'r');
     $expected = fstat($resource);
     $stream = new Stream($resource);
     $this->assertEquals($expected['size'], $stream->getSize());
 }