public function testToString() {
		$expected = join("\r\n", array(
			'GET / HTTP/1.1',
			'Host: localhost',
			'Connection: Close',
			'User-Agent: Mozilla/5.0',
			'', ''
		));
		$result = (string) $this->request;
		$this->assertEqual($expected, $result);

		$result = $this->request->to('string');
		$this->assertEqual($expected, $result);
	}