// 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<RawSecureSocket> first
/// The first element of the stream.
/// . . .
/// If this stream is empty (a done event occurs before the first data event),
/// the returned future completes with an error.
///
/// @description Checks that if this is empty, the returned future completes
/// with an error.
/// @author ngl@unipro.ru

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

check(InternetAddress address) {
  asyncStart();
  SecurityContext sc = new SecurityContext(withTrustedRoots: true);
  RawSecureServerSocket.bind(address, 0, sc).then((server) {
    server.first.then((event) {
      Expect.fail('Future should be completed with Error');
    }, onError: (error) {
      Expect.isTrue(error is StateError);
      asyncEnd();
    });
    server.close();
  });
}

main() {
  check(InternetAddress.anyIPv4);
  check(InternetAddress.anyIPv6);
  check(InternetAddress.loopbackIPv4);
  check(InternetAddress.loopbackIPv6);
}