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a2b556b937
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
49 lines
1.2 KiB
Dart
49 lines
1.2 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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bool onDoneWasCalled = false;
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var controller = new StreamController();
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// Test that streams that are never closed keep the `catchError` alive.
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catchErrors(() {
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catchErrors(() {
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controller.stream.map((x) {
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throw x;
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}).listen((x) {
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// Should not happen.
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events.add("bad: $x");
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});
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}).listen((x) {
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events.add("caught: $x");
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}, onDone: () {
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events.add("done");
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});
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}).listen((x) {
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events.add("outer: $x");
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}, onDone: () {
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onDoneWasCalled = true;
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});
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[1, 2, 3, 4].forEach(controller.add);
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new Timer(const Duration(milliseconds: 20), () {
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Expect.isFalse(onDoneWasCalled);
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Expect.listEquals([
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"caught: 1",
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"caught: 2",
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"caught: 3",
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"caught: 4",
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], events);
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asyncEnd();
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});
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}
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