public function testGetStreamReturnsStreamForFile()
{
$this->cleanup[] = $stream = tempnam(sys_get_temp_dir(), 'stream_file');
$upload = new UploadedFile($stream, 0, UPLOAD_ERR_OK);
$uploadStream = $upload->getStream();
$r = new ReflectionProperty($uploadStream, 'filename');
$r->setAccessible(true);
$this->assertSame($stream, $r->getValue($uploadStream));
}