blob: 9f87aa5b701c5b38c6ea3d0d55bde77cb6cbd9f0 [file] [log] [blame]
// 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:isolate';
import 'dart:async';
import 'package:async_helper/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);
});
}