Ben Konyi
cdc7a16d8e
Bug: Change-Id: Ib21357cf328ec25c1acc58c3b37a4a7bf2910fa1 Reviewed-on: https://dart-review.googlesource.com/4612 Reviewed-by: Bob Nystrom <rnystrom@google.com>
39 lines
1.1 KiB
Dart
39 lines
1.1 KiB
Dart
// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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import 'package:async_helper/async_helper.dart';
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import "package:expect/expect.dart";
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import 'dart:async';
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import 'catch_errors.dart';
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main() {
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asyncStart();
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var events = [];
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StreamController controller = new StreamController();
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Stream stream = controller.stream;
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// Test that the subscription of a stream is what counts. The error (2) runs
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// through the map-stream which goes through the nested `catchError` but
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// the nested `catchError` won't see the error.
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catchErrors(() {
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stream = stream.map((x) => x + 100);
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}).listen((x) {
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events.add(x);
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});
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stream
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.transform(new StreamTransformer.fromHandlers(handleError: (e, st, sink) {
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sink.add("error $e");
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})).listen((x) {
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events.add("stream $x");
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}, onDone: () {
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Expect.listEquals([
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"stream 101",
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"stream error 2",
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], events);
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asyncEnd();
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});
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controller.add(1);
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controller.addError(2);
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controller.close();
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}
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