blob: b04c5b1754dc81823b6913b84eb385cb92cb7f9e [file] [log] [blame]
// Copyright (c) 2020, 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.
library async_cancellingisolate;
import 'dart:async';
import 'package:expect/minitest.dart';
main(message, replyTo) {
var command = message.first;
expect(command, 'START');
var shot = false;
var oneshot;
var periodic;
periodic = new Timer.periodic(const Duration(milliseconds: 10), (timer) {
expect(shot, isFalse);
shot = true;
expect(timer, same(periodic));
// Wait some more time to be sure callbacks won't be invoked any
// more.
new Timer(const Duration(milliseconds: 50), () {
// We launch the oneshot timer after the periodic timer. Otherwise a
// (very long) context switch could make this test flaky: assume the
// oneshot timer is created first and then there is a 30ms context switch.
// when the periodic timer is scheduled it would execute after the oneshot.
oneshot = new Timer(const Duration(milliseconds: 30), () {
fail('Should never be invoked');