| // 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. |
| |
| library multiple_timer_test; |
| |
| import 'dart:async'; |
| import '../../pkg/unittest/lib/unittest.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); |
| |
| main() { |
| test("multiple timer test", () { |
| Stopwatch _stopwatch1 = new Stopwatch(); |
| Stopwatch _stopwatch2 = new Stopwatch(); |
| Stopwatch _stopwatch3 = new Stopwatch(); |
| Stopwatch _stopwatch4 = new Stopwatch(); |
| List<int> _order; |
| int _message; |
| |
| void timeoutHandler1() { |
| // The stopwatch is more precise than the Timer. It can happen that |
| // the TIMEOUT triggers *slightly* too early. |
| expect(_stopwatch1.elapsedMilliseconds + 1, |
| greaterThanOrEqualTo(TIMEOUT1.inMilliseconds)); |
| expect(_order[_message], 0); |
| _message++; |
| } |
| |
| void timeoutHandler2() { |
| // The stopwatch is more precise than the Timer. It can happen that |
| // the TIMEOUT triggers *slightly* too early. |
| expect(_stopwatch2.elapsedMilliseconds + 1, |
| greaterThanOrEqualTo(TIMEOUT2.inMilliseconds)); |
| expect(_order[_message], 1); |
| _message++; |
| } |
| |
| void timeoutHandler3() { |
| // The stopwatch is more precise than the Timer. It can happen that |
| // the TIMEOUT triggers *slightly* too early. |
| expect(_stopwatch3.elapsedMilliseconds + 1, |
| greaterThanOrEqualTo(TIMEOUT3.inMilliseconds)); |
| expect(_order[_message], 2); |
| _message++; |
| } |
| |
| void timeoutHandler4() { |
| // The stopwatch is more precise than the Timer. It can happen that |
| // the TIMEOUT triggers *slightly* too early. |
| expect(_stopwatch4.elapsedMilliseconds + 1, |
| greaterThanOrEqualTo(TIMEOUT4.inMilliseconds)); |
| expect(_order[_message], 3); |
| _message++; |
| } |
| |
| _order = new List<int>.fixedLength(4); |
| _order[0] = 2; |
| _order[1] = 0; |
| _order[2] = 3; |
| _order[3] = 1; |
| _message = 0; |
| |
| _stopwatch1.start(); |
| new Timer(TIMEOUT1, expectAsync0(timeoutHandler1)); |
| _stopwatch2.start(); |
| new Timer(TIMEOUT2, expectAsync0(timeoutHandler2)); |
| _stopwatch3.start(); |
| new Timer(TIMEOUT3, expectAsync0(timeoutHandler3)); |
| _stopwatch4.start(); |
| new Timer(TIMEOUT4, expectAsync0(timeoutHandler4)); |
| }); |
| } |