public function testResizeGif()
{
$excepted = Helper::getExpected(__FUNCTION__ . '.gif');
$actual = Helper::getActual(__FUNCTION__ . '_320_239.gif');
$original = Helper::getOrig('butterfly.gif');
$img = new Image($original);
$img->resize(320, 239)->saveAs($actual);
Helper::isFileEq($actual, $excepted);
}