LibTest/io/RawDatagramSocket/skipWhile_A03_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.

/// @assertion Stream<RawSocketEvent> skipWhile(bool test(T element))
/// Skip data events from this stream while they are matched by test.
/// . . .
/// The returned stream is a broadcast stream if this stream is. For a broadcast
/// stream, the events are only tested from the time the returned stream is
/// listened to.
///
/// @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 s1 = socket.skipWhile((e) => false);
    Expect.isFalse(s1.isBroadcast);
    Stream bcs = socket.asBroadcastStream();
    Stream s2 = bcs.skipWhile((e) => false);
    Expect.isTrue(s2.isBroadcast);
  });
}