blob: 43d714851f77ddfc2f267ce908a0a5d54a86a361 [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();
Completer done = new Completer();
var events = [];
StreamController controller;
Stream stream;
// Test `StreamController.broadcast` streams.
catchErrors(() {
catchErrors(() {
controller = new StreamController.broadcast();
// Listen to the stream from the inner zone.
controller.stream.map((x) {
events.add("map $x");
return x + 100;
}).transform(
new StreamTransformer.fromHandlers(handleError: (e, st, sink) {
sink.add("error $e");
})).listen((x) {
events.add("stream $x");
});
})
.listen((x) {
events.add(x);
})
.asFuture()
.then((_) {
Expect.fail("Unexpected callback");
});
// Listen to the stream from the outer zone.
controller.stream.listen((x) {
events.add("stream2 $x");
}, onError: (x) {
events.add("stream2 error $x");
});
// Feed the controller.
controller.add(1);
controller.addError("inner stream");
new Future.error("outer error");
controller.close();
}).listen((x) {
events.add("outer: $x");
if (x == "outer error") done.complete(true);
}, onDone: () {
Expect.fail("Unexpected callback");
});
done.future.whenComplete(() {
// Give handlers time to run.
Timer.run(() {
Expect.listEquals([
"map 1",
"stream 101",
"stream2 1",
"stream error inner stream",
"stream2 error inner stream",
"outer: outer error",
], events);
asyncEnd();
});
});
}