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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 import 'package:async_helper/async_helper.dart'; | 5 import 'package:async_helper/async_helper.dart'; |
6 import "package:expect/expect.dart"; | 6 import "package:expect/expect.dart"; |
7 import 'dart:async'; | 7 import 'dart:async'; |
8 import 'catch_errors.dart'; | 8 import 'catch_errors.dart'; |
9 | 9 |
10 main() { | 10 main() { |
11 asyncStart(); | 11 asyncStart(); |
12 Completer done = new Completer(); | 12 Completer done = new Completer(); |
13 | 13 |
14 var events = []; | 14 var events = []; |
15 StreamController controller; | 15 StreamController controller; |
16 // Test that errors do not cross zone boundaries. | 16 // Test that errors do not cross zone boundaries. |
17 catchErrors(() { | 17 catchErrors(() { |
18 catchErrors(() { | 18 catchErrors(() { |
19 controller = new StreamController(); | 19 controller = new StreamController(); |
20 controller.stream | 20 controller.stream |
21 .map((x) { | 21 .map((x) { |
22 events.add("map $x"); | 22 events.add("map $x"); |
23 return x + 100; | 23 return x + 100; |
24 }) | 24 }) |
25 .transform(new StreamTransformer( | 25 .transform(new StreamTransformer.fromHandlers( |
26 handleError: (e, sink) => sink.add("error $e"))) | 26 handleError: (e, st, sink) { sink.add("error $e"); })) |
27 .listen((x) { events.add("stream $x"); }); | 27 .listen((x) { events.add("stream $x"); }); |
28 }).listen((x) { events.add(x); }); | 28 }).listen((x) { events.add(x); }); |
29 controller.add(1); | 29 controller.add(1); |
30 // Errors are not allowed to traverse boundaries. This error should be | 30 // Errors are not allowed to traverse boundaries. This error should be |
31 // caught by the outer catchErrors. | 31 // caught by the outer catchErrors. |
32 controller.addError(2); | 32 controller.addError(2); |
33 controller.close(); | 33 controller.close(); |
34 }).listen((x) { | 34 }).listen((x) { |
35 events.add("outer: $x"); | 35 events.add("outer: $x"); |
36 if (x == 2) done.complete(true); | 36 if (x == 2) done.complete(true); |
37 }, onDone: () { Expect.fail("Unexpected callback"); }); | 37 }, onDone: () { Expect.fail("Unexpected callback"); }); |
38 | 38 |
39 done.future.whenComplete(() { | 39 done.future.whenComplete(() { |
40 Timer.run(() { | 40 Timer.run(() { |
41 Expect.listEquals(["map 1", | 41 Expect.listEquals(["map 1", |
42 "stream 101", | 42 "stream 101", |
43 "outer: 2", | 43 "outer: 2", |
44 ], | 44 ], |
45 events); | 45 events); |
46 asyncEnd(); | 46 asyncEnd(); |
47 }); | 47 }); |
48 }); | 48 }); |
49 } | 49 } |
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