Leaf Petersen
b101a7d002
Change-Id: Ib33169c3e0ffc870915c189404074a1dea472546 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/196548 Reviewed-by: Bob Nystrom <rnystrom@google.com> Commit-Queue: Leaf Petersen <leafp@google.com>
44 lines
1.2 KiB
Dart
44 lines
1.2 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// @dart = 2.9
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// VMOptions=--enable-isolate-groups --experimental-enable-isolate-groups-jit
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// VMOptions=--no-enable-isolate-groups
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library multiple_timer_test;
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import 'dart:isolate';
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import 'dart:async';
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import 'package:async_helper/async_minitest.dart';
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const Duration TIMEOUT = const Duration(milliseconds: 100);
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// Some browsers (Firefox and IE so far) can trigger too early. Add a safety
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// margin. We use identical(1, 1.0) as an easy way to know if the test is
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// compiled by dart2js.
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int get safetyMargin => identical(1, 1.0) ? 100 : 0;
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createTimer(replyTo) {
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new Timer(TIMEOUT, () {
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replyTo.send("timer_fired");
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});
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}
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main() {
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test("timer in isolate", () {
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Stopwatch stopwatch = new Stopwatch();
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ReceivePort port = new ReceivePort();
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port.first.then(expectAsync((msg) {
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expect("timer_fired", msg);
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expect(stopwatch.elapsedMilliseconds + safetyMargin,
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greaterThanOrEqualTo(TIMEOUT.inMilliseconds));
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}));
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stopwatch.start();
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var remote = Isolate.spawn(createTimer, port.sendPort);
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});
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}
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