tests/lib/async/intercept_schedule_microtask5_test.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 'dart:async';

import 'package:expect/async_helper.dart';
import 'package:expect/expect.dart';

import 'catch_errors.dart';

var events = [];

int body() {
  events.add("body entry");
  scheduleMicrotask(() {
    events.add("run async body");
    scheduleMicrotask(() {
      events.add("run nested body");
    });
  });
  return 499;
}

void handler(fun) {
  events.add("handler");
  scheduleMicrotask(fun);
  events.add("handler done");
}

void handler2(fun) {
  events.add("handler2");
  scheduleMicrotask(fun);
  events.add("handler2 done");
}

void main() {
  asyncStart();

  // Test that nested runZonedScheduleMicrotask go to the next outer zone.
  var result = runZonedScheduleMicrotask(
    () => runZonedScheduleMicrotask(body, onScheduleMicrotask: handler2),
    onScheduleMicrotask: handler,
  );
  events.add("after");
  Timer.run(() {
    Expect.listEquals([
      "body entry",
      "handler2",
      "handler",
      "handler done",
      "handler2 done",
      "after",
      "run async body",
      "handler2",
      "handler",
      "handler done",
      "handler2 done",
      "run nested body",
    ], events);
    asyncEnd();
  });
}