LibTest/io/RawDatagramSocket/handleError_A02_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
/// Stream<RawSocketEvent> handleError(
///     Function onError, {
///     bool test(error)
/// })
/// Creates a wrapper Stream that intercepts some errors from this stream.
/// . . .
/// The returned stream is a broadcast stream if this stream is.
///
/// @description Checks that the returned stream is a broadcast stream if this
/// stream is.
/// @author ngl@unipro.ru

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

main() {
  var address = InternetAddress.loopbackIPv4;
  RawDatagramSocket.bind(address, 0).then((socket) {
    Stream bcs = socket.asBroadcastStream();
    Stream stream1 = socket.handleError((_) {});
    Expect.isFalse(stream1.isBroadcast);
    Stream stream2 = bcs.handleError((_) {});
    Expect.isTrue(stream2.isBroadcast);
    socket.close();
  });
}