Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
41 lines
1.1 KiB
Dart
41 lines
1.1 KiB
Dart
// 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.
|
|
|
|
// @dart = 2.9
|
|
|
|
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 = new StreamController();
|
|
Stream stream = controller.stream;
|
|
// Test that the subscription of a stream is what counts. The error (2) runs
|
|
// through the map-stream which goes through the nested `catchError` but
|
|
// the nested `catchError` won't see the error.
|
|
catchErrors(() {
|
|
stream = stream.map((x) => x + 100);
|
|
}).listen((x) {
|
|
events.add(x);
|
|
});
|
|
stream
|
|
.transform(new StreamTransformer.fromHandlers(handleError: (e, st, sink) {
|
|
sink.add("error $e");
|
|
})).listen((x) {
|
|
events.add("stream $x");
|
|
}, onDone: () {
|
|
Expect.listEquals([
|
|
"stream 101",
|
|
"stream error 2",
|
|
], events);
|
|
asyncEnd();
|
|
});
|
|
controller.add(1);
|
|
controller.addError(2);
|
|
controller.close();
|
|
}
|