/**
* Tests the extension as returned from the Filename
*/
public function testGetExtension()
{
$document = new Document();
$document->setFilename('foo-bar-239-.jpg');
$this->assertEquals('jpg', $document->getExtension(), '->getExtension() returns the correct file extension');
$document->setFilename('foo-bar-239-.file.png');
$this->assertEquals('png', $document->getExtension(), '->getExtension() returns the correct file extension');
$document->setFilename('foo-bar-239-.');
$this->assertEquals('', $document->getExtension(), '->getExtension() returns the correct file extension');
$document->setFilename('');
$this->assertEquals('', $document->getExtension(), '->getExtension() returns the correct file extension');
$document->setFilename(NULL);
$this->assertEquals('', $document->getExtension(), '->getExtension() returns the correct file extension');
}
