/**
* test domain retrieval.
*
* @return void
*/
public function testDomain()
{
$request = new Request(['environment' => ['HTTP_HOST' => 'something.example.com']]);
$this->assertEquals('example.com', $request->domain());
$request->env('HTTP_HOST', 'something.example.co.uk');
$this->assertEquals('example.co.uk', $request->domain(2));
}
