dart-sdk/tests/lib_2/async/stack_trace18_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

41 lines
1 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.
// @dart = 2.9
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() {
Completer completer = new Completer();
StackTrace trace = captureStackTrace();
asyncStart();
completer.future.whenComplete(() => 499).then((_) {
throw "should never be reached";
}).then((_) {
throw "Unreachable";
}, onError: (e, st) {
Expect.equals("c-error", e);
Expect.identical(trace, st);
// Test the rethrowing the same error keeps the stack trace.
throw e;
}).then((_) {
throw "Unreachable";
}, onError: (e, st) {
Expect.equals("c-error", e);
Expect.identical(trace, st);
asyncEnd();
});
completer.completeError("c-error", trace);
}