// Copyright (c) 2013, 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. import 'package:async_helper/async_helper.dart'; import "package:expect/expect.dart"; import 'dart:async'; import 'catch_errors.dart'; main() { asyncStart(); var events = []; StreamController controller; Stream stream; // Test that the first listen on a `asBroadcastStream` determines the // zone the subscription lives in. In this case the outer listen happens first // and the error reaches `handleError`. catchErrors(() { catchErrors(() { controller = new StreamController(); stream = controller.stream .map((x) { events.add("map $x"); return x + 100; }) .transform(new StreamTransformer( handleError: (e, sink) => sink.add("error $e"))) .asBroadcastStream(); runAsync(() { stream.listen((x) { events.add("stream $x"); }); }); }).listen((x) { events.add(x); }) .asFuture().then((_) { events.add("inner done"); }); stream.listen((x) { events.add("stream2 $x"); }); runAsync(() { controller.add(1); // Errors are not allowed to traverse boundaries, but in this case the // first listener of the broadcast stream is in the same error-zone. So // this should work. controller.addError(2); controller.close(); }); }).listen((x) { events.add("outer: $x"); }, onDone: () { Expect.listEquals(["map 1", "stream2 101", "stream 101", "stream2 error 2", "stream error 2", "inner done", ], events); asyncEnd(); }); }