mirror of
https://github.com/dart-lang/sdk
synced 2024-09-05 16:41:07 +00:00
b998b10f3e
Change-Id: I3a31632ce28fb87a410b759d092c7ebc9393574d Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128306 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
33 lines
1 KiB
Dart
33 lines
1 KiB
Dart
// Copyright (c) 2018, 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/expect.dart";
|
|
|
|
// Regression test for https://github.com/dart-lang/sdk/issues/33166
|
|
void main() async {
|
|
// Check that a `null` data handler (like the one passe by `drain`)
|
|
// doesn't crash.
|
|
{
|
|
var stream = new Stream<Object>.fromIterable([1, 2, 3]);
|
|
Expect.equals(await stream.cast<int>().drain().then((_) => 'Done'), 'Done');
|
|
}
|
|
|
|
// Check that type errors go into stream error channel.
|
|
{
|
|
var stream = new Stream<Object>.fromIterable([1, 2, 3]);
|
|
var errors = [];
|
|
var done = new Completer();
|
|
var subscription = stream.cast<String>().listen((value) {
|
|
Expect.fail("Unexpected value: $value");
|
|
}, onError: (e, s) {
|
|
errors.add(e);
|
|
}, onDone: () {
|
|
done.complete(null);
|
|
});
|
|
await done.future;
|
|
Expect.equals(3, errors.length);
|
|
}
|
|
}
|