dart-sdk/tests/lib/async/intercept_schedule_microtask2_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

33 lines
913 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 'catch_errors.dart';
var events = [];
body() {
events.add("body entry");
scheduleMicrotask(() {
events.add("run async body");
});
return 499;
}
handler(fun) {
events.add("handler");
fun();
events.add("handler done");
}
main() {
// Test that scheduleMicrotask interception works.
var result = runZonedScheduleMicrotask(body, onScheduleMicrotask: handler);
// No need for a ReceivePort: If the runZonedScheduleMicrotask misbehaved we
// would have an [events] list that is different from what we expect.
Expect.listEquals(
["body entry", "handler", "run async body", "handler done"], events);
}