/**
* @depends testExist
* @return void
*/
public function testLastChanged()
{
$filePath = __DIR__ . '/example.txt';
$fileObject = new File($filePath);
$this->assertGreaterThanOrEqual(0, $fileObject->getCTime());
$this->assertInstanceOf('DateTime', $fileObject->lastChanged());
$fileObject = new \SplFileInfo($filePath);
$this->assertGreaterThanOrEqual(0, $fileObject->getCTime());
}