public function testAddFinder()
{
$m = $this->getMock('\\iio\\libmergepdf\\Merger', array('addFromFile'));
$m->expects($this->exactly(2))->method('addFromFile')->with(__FILE__);
$finder = $this->getMockBuilder('\\Symfony\\Component\\Finder\\Finder')->disableOriginalConstructor()->getMock();
$file = new \SplFileInfo(__FILE__);
$finder->expects($this->once())->method('getIterator')->will($this->returnValue(new \ArrayIterator(array($file, $file))));
$m->addFinder($finder);
}