LibTest/io/HttpClientResponse/detachSocket_A01_t01.dart

// 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<Socket> detachSocket()
/// Detach the underlying socket from the HTTP client. When the socket is
/// detached the HTTP client will no longer perform any operations on it.
///
/// This is normally used when a HTTP upgrade is negotiated and the communication
/// should continue with a different protocol.
/// @description Checks that this method detaches the underlying socket from the
/// HTTP client
/// @author sgrekhov@unipro.ru

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

var localhost = InternetAddress.loopbackIPv4.address;

test(String method) async {
  asyncStart();
  HttpServer server = await HttpServer.bind(localhost, 0);
  int port = server.port;
  server.listen((HttpRequest request) {
    request.response.close();
    server.close();
  });

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

    });
    response.detachSocket().then((Socket socket) {
      Expect.notEquals(port, socket.port);
      asyncEnd();
    });
  });
}

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