| // 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 |
| |
| library run_async_test; |
| |
| import 'dart:async'; |
| import 'package:async_helper/async_helper.dart'; |
| import "package:expect/expect.dart"; |
| |
| main() { |
| // Check that Timers don't run before the async callbacks. |
| bool timerCallbackExecuted = false; |
| |
| scheduleMicrotask(() { |
| Expect.isFalse(timerCallbackExecuted); |
| }); |
| |
| asyncStart(); |
| Timer.run(() { |
| timerCallbackExecuted = true; |
| asyncEnd(); |
| }); |
| |
| scheduleMicrotask(() { |
| Expect.isFalse(timerCallbackExecuted); |
| }); |
| |
| scheduleMicrotask(() { |
| // Busy loop. |
| var sum = 1; |
| var sw = new Stopwatch()..start(); |
| while (sw.elapsedMilliseconds < 5) { |
| sum++; |
| } |
| if (sum == 0) throw "bad"; // Just to use the result. |
| scheduleMicrotask(() { |
| Expect.isFalse(timerCallbackExecuted); |
| }); |
| }); |
| |
| scheduleMicrotask(() { |
| Expect.isFalse(timerCallbackExecuted); |
| }); |
| } |