blob: ffdecb9e676792ebf570f9298b8fd3649b943a42 [file] [log] [blame]
// 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();
}