| // Copyright (c) 2011, 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<T> handleError(Function onError, {bool test(error)}) |
| /// The returned stream is a broadcast stream if this stream is. |
| /// @description Checks that broadcast stream is returned if original stream is |
| /// broadcast. |
| /// @author a.semenov@unipro.ru |
| |
| library handleError_A06_t01; |
| import "dart:async"; |
| import "../../../Utils/expect.dart"; |
| |
| void check<T>(Stream<T> stream, Function? onError(T event), bool test(error)) { |
| Expect.equals(stream.isBroadcast, stream.handleError(onError).isBroadcast); |
| Expect.equals(stream.isBroadcast, stream.handleError(onError, test:test).isBroadcast); |
| } |
| |
| void test(CreateStreamFunction create) { |
| |
| check(create([]), (_) => null, (_) => true); |
| check(create([]).asBroadcastStream(), (_) => null, (_) => true); |
| |
| check(create([1, 2, 3, 4, 5]), (_) => null, (_) => true); |
| check(create([1, 2, 3, 4, 5]).asBroadcastStream(), (_) => null, (_) => true); |
| |
| check<Object>(create([]), (e) => throw e, (_) => true); |
| check<dynamic>(create([]).asBroadcastStream(), (e) => throw e, (_) => true); |
| |
| check<Object>(create([1, 2, 3, 4, 5]), (e) => throw e, (_) => true); |
| check<Object>(create([1, 2, 3, 4, 5]).asBroadcastStream(), (e) => throw e, (_) => true); |
| } |