dart-sdk/tests/lib/async/run_zoned9_test.dart
Michael Thomsen 0f6c17cbba Refactor tests away from onError which is deprecated
Change-Id: I11350bfbb477b94310d63a6c4626eecca1f23dd9
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/255253
Commit-Queue: Michael Thomsen <mit@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
2022-09-07 14:42:27 +00:00

35 lines
999 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 'dart:async';
import 'package:async_helper/async_helper.dart';
main() {
asyncStart();
// Ensure that `runZonedGuarded`'s onError handles synchronous errors but
// delegates to the next runZoned when the handler returns false.
bool sawInnerHandler = false;
try {
runZonedGuarded(() {
runZonedGuarded(() {
throw 0;
}, (e, s) {
Expect.equals(0, e);
sawInnerHandler = true;
throw e;
});
}, (e, s) {
Expect.equals(0, e);
Expect.isTrue(sawInnerHandler);
// If we are waiting for an error, don't asyncEnd, but let it time out.
throw e; //# 01: ok
asyncEnd();
});
} catch (e) {
asyncEnd(); return; //# 01: continued
rethrow;
}
}