dart-sdk/tests/lib/async/stack_trace23_test.dart
Robert Nystrom a2b556b937 Migrate lib_2/async to NNBD.
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310
Commit-Queue: Bob Nystrom <rnystrom@google.com>
Auto-Submit: Bob Nystrom <rnystrom@google.com>
Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
2020-01-09 22:04:37 +00:00

30 lines
742 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.
import 'package:expect/expect.dart';
import 'package:async_helper/async_helper.dart';
import 'dart:async';
StackTrace captureStackTrace() {
try {
throw 0;
} catch (e, st) {
return st;
}
}
main() {
StackTrace trace = captureStackTrace();
asyncStart();
var f = new Future.error(499, trace);
f.catchError((e) {
throw "unreachable";
}, test: (e) {
Expect.equals(499, e);
return false;
}).catchError((e, st) {
Expect.identical(trace, st);
asyncEnd();
}, test: (e) => e == 499);
}