mirror of
https://github.com/dart-lang/sdk
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a2b556b937
Change-Id: Ia5c41dda6503e1fbb8cc6099835d07588425e2ba Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/128310 Commit-Queue: Bob Nystrom <rnystrom@google.com> Auto-Submit: Bob Nystrom <rnystrom@google.com> Reviewed-by: Lasse R.H. Nielsen <lrn@google.com>
77 lines
2.2 KiB
Dart
77 lines
2.2 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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library multiple_timer_test;
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import 'dart:async';
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import 'package:async_helper/async_helper.dart';
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import 'package:expect/expect.dart';
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const Duration TIMEOUT1 = const Duration(seconds: 1);
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const Duration TIMEOUT2 = const Duration(seconds: 2);
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const Duration TIMEOUT3 = const Duration(milliseconds: 500);
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const Duration TIMEOUT4 = const Duration(milliseconds: 1500);
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// The stopwatch is more precise than the Timer.
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// Some browsers (Firefox and IE so far) can trigger too early. So we add more
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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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// running on the web.
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int get safetyMargin => identical(1, 1.0) ? 100 : 0;
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main() {
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Stopwatch _stopwatch1 = new Stopwatch();
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Stopwatch _stopwatch2 = new Stopwatch();
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Stopwatch _stopwatch3 = new Stopwatch();
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Stopwatch _stopwatch4 = new Stopwatch();
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late List<int> _order;
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late int _message;
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void timeoutHandler1() {
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Expect.isTrue((_stopwatch1.elapsedMilliseconds + safetyMargin) >=
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TIMEOUT1.inMilliseconds);
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Expect.equals(_order[_message], 0);
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_message++;
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asyncEnd();
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}
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void timeoutHandler2() {
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Expect.isTrue((_stopwatch2.elapsedMilliseconds + safetyMargin) >=
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TIMEOUT2.inMilliseconds);
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Expect.equals(_order[_message], 1);
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_message++;
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asyncEnd();
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}
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void timeoutHandler3() {
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Expect.isTrue((_stopwatch3.elapsedMilliseconds + safetyMargin) >=
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TIMEOUT3.inMilliseconds);
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Expect.equals(_order[_message], 2);
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_message++;
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asyncEnd();
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}
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void timeoutHandler4() {
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Expect.isTrue((_stopwatch4.elapsedMilliseconds + safetyMargin) >=
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TIMEOUT4.inMilliseconds);
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Expect.equals(_order[_message], 3);
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_message++;
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asyncEnd();
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}
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_order = [2, 0, 3, 1];
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_message = 0;
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asyncStart();
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_stopwatch1.start();
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new Timer(TIMEOUT1, timeoutHandler1);
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asyncStart();
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_stopwatch2.start();
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new Timer(TIMEOUT2, timeoutHandler2);
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asyncStart();
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_stopwatch3.start();
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new Timer(TIMEOUT3, timeoutHandler3);
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asyncStart();
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_stopwatch4.start();
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new Timer(TIMEOUT4, timeoutHandler4);
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}
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