| // 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 Future<bool> any(bool test(T element)) |
| /// Checks whether test accepts any element provided by this stream. |
| /// . . . |
| /// If this stream contains an error, or if the call to test throws, the returned |
| /// future is completed with that error, and processing stops. |
| /// |
| /// @description Checks that if the call to test throws, the returned future is |
| /// completed with that error, and processing stops. |
| /// @author ngl@unipro.ru |
| |
| import "dart:async"; |
| import "dart:io"; |
| import "../http_utils.dart"; |
| import "../../../Utils/expect.dart"; |
| |
| var localhost = InternetAddress.loopbackIPv4; |
| |
| Future<List<RawSocketEvent>> anyElement(RawDatagramSocket receiver, |
| bool shouldFind, {Duration delay = const Duration(seconds: 2)}) { |
| List<RawSocketEvent> tested = []; |
| Completer<List<RawSocketEvent>> completer = |
| new Completer<List<RawSocketEvent>>(); |
| Future<List<RawSocketEvent>> f = completer.future; |
| |
| bool test(RawSocketEvent x) { |
| tested.add(x); |
| if (x == RawSocketEvent.read) { |
| throw 11; |
| } |
| if (receiver.receive() == null) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| receiver.any((event) => test(event)).then((value) { |
| Expect.fail('Should completed with throw.'); |
| }).catchError((error) { |
| Expect.equals(11, error); |
| }); |
| |
| new Future.delayed(delay, () { |
| if (!completer.isCompleted) { |
| receiver.close(); |
| completer.complete(tested); |
| } |
| }); |
| return f; |
| } |
| |
| main() async { |
| RawDatagramSocket producer = await RawDatagramSocket.bind(localhost, 0); |
| RawDatagramSocket receiver = await RawDatagramSocket.bind(localhost, 0); |
| List<List<int>> toSend = [[0], [1, 2], [2, 3, 4], [3, 5, 6, 7]]; |
| |
| bool wasSent = |
| await sendDatagram(producer, toSend, localhost, receiver.port); |
| Expect.isTrue(wasSent, "No datagram was sent"); |
| |
| List<RawSocketEvent> tested = await anyElement(receiver, true); |
| Expect.isTrue(tested.length <= 2); |
| Expect.equals(RawSocketEvent.read, tested[tested.length - 1]); |
| } |