Files
sdk/tests/lib/async/catch_errors17_test.dart
T
Lasse R.H. Nielsen 659978fcb3 Convert multitests in core platform library tests.
A little extra clean-up in related files.

Change-Id: I1d0d809d1ab4d756470e3a292e8e070ef31304af
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/402660
Commit-Queue: Lasse Nielsen <lrn@google.com>
Reviewed-by: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Nate Bosch <nbosch@google.com>
2025-09-16 02:05:23 -07:00

66 lines
1.5 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.
import 'dart:async';
import 'package:expect/async_helper.dart';
import 'package:expect/expect.dart';
import 'catch_errors.dart';
void main() {
asyncStart();
Completer done = Completer();
var events = [];
late StreamController controller;
// Test that errors do not cross zone boundaries.
catchErrors(() {
catchErrors(() {
controller = StreamController();
controller.stream
.map((x) {
events.add("map $x");
return x + 100;
})
.transform(
StreamTransformer.fromHandlers(
handleError: (e, st, sink) {
sink.add("error $e");
},
),
)
.listen((x) {
events.add("stream $x");
});
}).listen((x) {
events.add(x);
});
controller.add(1);
controller.addError(2);
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(() {
Timer.run(() {
Expect.listEquals([
"map 1",
"stream 101",
"stream error 2",
"outer: outer error",
], events);
asyncEnd();
});
});
}