| // Copyright (c) 2012, 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 multiple_timer_test; |
| |
| import 'dart:async'; |
| import 'package:async_helper/async_helper.dart'; |
| import 'package:expect/expect.dart'; |
| |
| const Duration TIMEOUT1 = const Duration(seconds: 1); |
| const Duration TIMEOUT2 = const Duration(seconds: 2); |
| const Duration TIMEOUT3 = const Duration(milliseconds: 500); |
| const Duration TIMEOUT4 = const Duration(milliseconds: 1500); |
| |
| // The stopwatch is more precise than the Timer. |
| // Some browsers (Firefox and IE so far) can trigger too early. So we add more |
| // margin. We use identical(1, 1.0) as an easy way to know if the test is |
| // running on the web. |
| int get safetyMargin => identical(1, 1.0) ? 100 : 0; |
| |
| main() { |
| Stopwatch _stopwatch1 = new Stopwatch(); |
| Stopwatch _stopwatch2 = new Stopwatch(); |
| Stopwatch _stopwatch3 = new Stopwatch(); |
| Stopwatch _stopwatch4 = new Stopwatch(); |
| List<int> _order; |
| int _message; |
| |
| void timeoutHandler1() { |
| Expect.isTrue((_stopwatch1.elapsedMilliseconds + safetyMargin) >= |
| TIMEOUT1.inMilliseconds); |
| Expect.equals(_order[_message], 0); |
| _message++; |
| asyncEnd(); |
| } |
| |
| void timeoutHandler2() { |
| Expect.isTrue((_stopwatch2.elapsedMilliseconds + safetyMargin) >= |
| TIMEOUT2.inMilliseconds); |
| Expect.equals(_order[_message], 1); |
| _message++; |
| asyncEnd(); |
| } |
| |
| void timeoutHandler3() { |
| Expect.isTrue((_stopwatch3.elapsedMilliseconds + safetyMargin) >= |
| TIMEOUT3.inMilliseconds); |
| Expect.equals(_order[_message], 2); |
| _message++; |
| asyncEnd(); |
| } |
| |
| void timeoutHandler4() { |
| Expect.isTrue((_stopwatch4.elapsedMilliseconds + safetyMargin) >= |
| TIMEOUT4.inMilliseconds); |
| Expect.equals(_order[_message], 3); |
| _message++; |
| asyncEnd(); |
| } |
| |
| _order = new List<int>(4); |
| _order[0] = 2; |
| _order[1] = 0; |
| _order[2] = 3; |
| _order[3] = 1; |
| _message = 0; |
| |
| asyncStart(); |
| _stopwatch1.start(); |
| new Timer(TIMEOUT1, timeoutHandler1); |
| asyncStart(); |
| _stopwatch2.start(); |
| new Timer(TIMEOUT2, timeoutHandler2); |
| asyncStart(); |
| _stopwatch3.start(); |
| new Timer(TIMEOUT3, timeoutHandler3); |
| asyncStart(); |
| _stopwatch4.start(); |
| new Timer(TIMEOUT4, timeoutHandler4); |
| } |