| // 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> where (bool test(T event)) |
| /// . . . |
| /// If the test function throws, the data event is dropped and the error is |
| /// emitted on the returned stream instead. |
| /// |
| /// @description Checks that if the test function throws, the data event is |
| /// dropped and the error is emitted on the returned stream instead. |
| /// @author ngl@unipro.ru |
| |
| import "dart:io"; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| check(bool test(e), dataExpected) { |
| asyncStart(); |
| var address = InternetAddress.loopbackIPv4; |
| RawDatagramSocket.bind(address, 0).then((producer) { |
| RawDatagramSocket.bind(address, 0).then((receiver) { |
| int sent = 0; |
| List list = []; |
| producer.send([sent++], address, receiver.port); |
| producer.send([sent++], address, receiver.port); |
| producer.send([sent++], address, receiver.port); |
| producer.close(); |
| |
| Stream bcs = receiver.asBroadcastStream(); |
| Stream s = bcs.where(test); |
| |
| s.listen((event) { |
| list.add(event); |
| }, onError: (error) { |
| list.add(error); |
| }, onDone: () { |
| Expect.listEquals(dataExpected, list); |
| asyncEnd(); |
| }); |
| |
| bcs.listen((event) { |
| receiver.receive(); |
| }); |
| |
| new Timer(const Duration(milliseconds: 200), () { |
| Expect.isNull(receiver.receive()); |
| receiver.close(); |
| }); |
| }); |
| }); |
| } |
| |
| main() { |
| check((e) => e != RawSocketEvent.closed ? true : throw 11, |
| [RawSocketEvent.write, RawSocketEvent.read, RawSocketEvent.read, 11]); |
| check((e) => e != RawSocketEvent.read ? true : throw 12, |
| [RawSocketEvent.write, 12, 12, RawSocketEvent.closed]); |
| check((e) => e == RawSocketEvent.write ? throw 13 : true, |
| [13, RawSocketEvent.read, RawSocketEvent.read, RawSocketEvent.closed]); |
| } |