Tests routing based on content type extensions, with HTML being the default when types are not defined.

Source

						public function testTypeBasedRouting() {
		Router::connect('/{:controller}/{:id:[0-9]+}', array(
			'action' => 'index', 'type' => 'html', 'id' => null
		));
		Router::connect('/{:controller}/{:id:[0-9]+}.{:type}', array(
			'action' => 'index', 'id' => null
		));

		Router::connect('/{:controller}/{:action}/{:id:[0-9]+}', array(
			'type' => 'html', 'id' => null
		));
		Router::connect('/{:controller}/{:action}/{:id:[0-9]+}.{:type}', array('id' => null));

		$url = Router::match(array('controller' => 'posts', 'type' => 'html'));
		$this->assertEqual('/posts', $url);

		$url = Router::match(array('controller' => 'posts', 'type' => 'json'));
		$this->assertEqual('/posts.json', $url);
	}