Test server

test.dart

import "dart:io";
void main() {
  startServer(InternetAddress.ANY_IP_V4,3333);
}
void startServer(host, int port) {
  HttpServer
  // HttpServer object
  .bind(host,port)
  // bind returns a Future<HttpServer> object. Future objects have the method then, which is called when it's child type is ready.
  .then((HttpServer server) {
    server.listen(handleRequest);
    print("Listening at ${server.address.host}:${server.port}");
  });
}
void handleRequest(HttpRequest req) {
  print("Hey a request at ${req.uri}");
  File file = new File(".${req.uri}");
  req.response
  ..statusCode = HttpStatus.OK
  ..headers.contentType = ContentType.HTML
  ..addStream(
    file.openRead().asBroadcastStream()
  )
  .then(
    (HttpResponse res) => res.close()
  );
}