| // 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:isolate'; |
| import 'dart:async'; |
| import 'package:expect/async_minitest.dart'; |
| |
| const Duration TIMEOUT = const Duration(milliseconds: 100); |
| |
| // Some browsers (Firefox and IE so far) can trigger too early. Add a safety |
| // margin. We use identical(1, 1.0) as an easy way to know if the test is |
| // compiled by dart2js. |
| int get safetyMargin => identical(1, 1.0) ? 100 : 0; |
| |
| createTimer(replyTo) { |
| new Timer(TIMEOUT, () { |
| replyTo.send("timer_fired"); |
| }); |
| } |
| |
| main() { |
| test("timer in isolate", () { |
| Stopwatch stopwatch = new Stopwatch(); |
| ReceivePort port = new ReceivePort(); |
| |
| port.first.then(expectAsync((msg) { |
| expect("timer_fired", msg); |
| expect(stopwatch.elapsedMilliseconds + safetyMargin, |
| greaterThanOrEqualTo(TIMEOUT.inMilliseconds)); |
| })); |
| |
| stopwatch.start(); |
| var remote = Isolate.spawn(createTimer, port.sendPort); |
| }); |
| } |