// 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(); Completer done = new Completer(); var events = []; StreamController controller; // Test that errors do not cross zone boundaries. catchErrors(() { catchErrors(() { controller = new StreamController(); controller.stream .map((x) { events.add("map $x"); return x + 100; }) .transform(new StreamTransformer.fromHandlers( handleError: (e, st, sink) { sink.add("error $e"); })) .listen((x) { events.add("stream $x"); }); }).listen((x) { events.add(x); }); controller.add(1); // Errors are not allowed to traverse boundaries. This error should be // caught by the outer catchErrors. controller.addError(2); controller.close(); }).listen((x) { events.add("outer: $x"); if (x == 2) done.complete(true); }, onDone: () { Expect.fail("Unexpected callback"); }); done.future.whenComplete(() { Timer.run(() { Expect.listEquals(["map 1", "stream 101", "outer: 2", ], events); asyncEnd(); }); }); }