public function testOutput() {
		$base = Libraries::get(true, 'resources') . '/tmp/tests';
		$this->skipIf(!is_writable($base), "{$base} is not writable.");

		$response = new Response(array('output' => fopen($this->streams['output'], 'w+')));
		$this->assertTrue(is_resource($response->output));


		$this->assertEqual(2, $response->output('ok'));
		$this->assertEqual('ok', file_get_contents($this->streams['output']));
	}