public function testHeaderKey() {
		$expected = array(
			'Host: localhost:80'
		);
		$result = $this->message->headers('Host: localhost:80');
		$this->assertEqual($expected, $result);

		$expected = 'localhost:80';
		$result = $this->message->headers('Host');
		$this->assertEqual($expected, $result);

		$result = $this->message->headers('Host', false);
		$this->assertFalse($result);
	}