// Copyright (c) 2018, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// @dart = 2.9

/// @assertion Future flush()
/// Returns a Future that completes once all buffered data is accepted by the
/// underlying StreamConsumer.
///
/// This method must not be called while an addStream is incomplete.
///
/// NOTE: This is not necessarily the same as the data being flushed by the
/// operating system.
/// @description Checks that this method returns a Future that completes once all
/// buffered data is accepted by the underlying StreamConsumer.
/// @author sgrekhov@unipro.ru

import "dart:io";
import "dart:convert";
import "../../../Utils/expect.dart";

var localhost = InternetAddress.loopbackIPv4.address;

test(String method) async {
  asyncStart();
  String helloWorld = "Hello test world!";
  HttpServer server = await HttpServer.bind(localhost, 0);
  server.listen((HttpRequest request) {
    request.response.write(helloWorld);
    request.response.close();
    server.close();
  });

  HttpClient client = new HttpClient();
  client.open(method, localhost, server.port, "")
      .then((HttpClientRequest request) {
    request.flush().then((r) {
      Expect.equals(r, request);
      asyncEnd();
    });
    return request.close();
  }).then((HttpClientResponse response) {
    response.cast<List<int>>().transform(utf8.decoder).listen((content) {
    });
  });
}

main() {
  test("get");
  test("head");
  test("delete");
  test("put");
  test("post");
  test("patch");
}