| // 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> handleError( |
| /// Function onError, { |
| /// bool test(error) |
| /// }) |
| /// . . . |
| /// If this stream sends an error that matches test, then it is intercepted by |
| /// the onError function. |
| /// . . . |
| /// An asynchronous error 'error' is matched by a test function if test(error) |
| /// returns true. If test is omitted, every error is considered matching. |
| /// |
| /// @description Checks that if this stream sends an error that matches test, |
| /// then it is intercepted by the onError function. |
| /// @author ngl@unipro.ru |
| |
| import "dart:io"; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| main() { |
| asyncStart(); |
| var address = InternetAddress.loopbackIPv4; |
| RawDatagramSocket.bind(address, 0).then((producer) { |
| RawDatagramSocket.bind(address, 0).then((receiver) { |
| int sent = 0; |
| int counter = 0; |
| List intercepted = []; |
| List data = []; |
| List errors = []; |
| producer.send([sent++], address, receiver.port); |
| producer.send([sent], address, receiver.port); |
| producer.close(); |
| |
| Stream bcs = receiver.asBroadcastStream(); |
| Stream s = bcs.skipWhile((e) => throw 11); |
| s.handleError((e) { |
| intercepted.add(e); |
| }, test: (e) => e == 11).listen((d) { |
| data.add(d); |
| }, onError: (err) { |
| errors.add(err); |
| }, onDone: () { |
| Expect.listEquals([11], intercepted); |
| Expect.listEquals([RawSocketEvent.read, RawSocketEvent.closed], data); |
| Expect.listEquals([], errors); |
| asyncEnd(); |
| }); |
| |
| new Timer(const Duration(milliseconds: 200), () { |
| Expect.isNull(receiver.receive()); |
| receiver.close(); |
| }); |
| |
| bcs.listen((event) { |
| counter++; |
| receiver.receive(); |
| }).onDone(() { |
| Expect.equals(3, counter); |
| }); |
| }); |
| }); |
| } |