public function testFileLoaderRegistration()
{
$dummyLoaderClassName = '\\Mock\\MockFileLoader';
$this->assertFalse($this->loader->hasFileLoader($dummyLoaderClassName));
$this->loader->registerFileLoader($dummyLoaderClassName);
$this->assertTrue($this->loader->hasFileLoader($dummyLoaderClassName));
$this->loader->deregisterFileLoader($dummyLoaderClassName);
$this->assertFalse($this->loader->hasFileLoader($dummyLoaderClassName));
}