dart-sdk/tests/lib_2/async/future_value_chain2_test.dart
Leaf Petersen b101a7d002 Add language versions to _2 test libraries
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>
2021-04-26 17:58:57 +00:00

22 lines
682 B
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';
main() {
asyncStart();
var errorFuture = new Future.error(499);
var valueChainFuture = new Future.sync(() => errorFuture);
// The errorFuture must not be propagated immediately as we would otherwise
// not have time to catch the error.
valueChainFuture.catchError((error) {
Expect.equals(499, error);
asyncEnd();
});
}