public function testFilename()
{
// empty
$this->assertEmpty($this->entity->getFilename());
$this->assertEmpty($this->entity->getOldFilenames());
// set foo
$this->entity->setFilename('foo');
$this->assertEquals('foo', $this->entity->getFilename());
// set bar and mark foo as old
$this->entity->setFilename('bar');
$this->assertEquals('bar', $this->entity->getFilename());
$this->assertEquals(['foo'], $this->entity->getOldFilenames());
}
